BS IEC 60748-2-20-2008.pdf

BRITISH STANDARD

Semiconductor devices — Integrated circuits — Part 2-20: Digital integrated circuits — Family specification — Low voltage integrated circuits

ICS 31.200

          

BS IEC 60748-2-20:2008

BS IEC 60748-2-20:2008

National foreword This British Standard is the UK implementation of IEC 60748-2- 20:2008. It supersedes BS IEC 60748-2-20:2000 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee EPL/47, Semiconductors. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations.

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 September 2008

© BSI 2008

ISBN 978 0 580 57380 4

Amendments/corrigenda issued since publication Date

Comments

BS EN ISO 60748-2-20:2008

IEC 60748-2-20 Edition 2.0

INTERNATIONAL STANDARD

Semiconductor devices – Integrated circuits – Part 2-20: Digital integrated circuits – Family specification – Low voltage integrated circuits

2008-02

BS EN ISO 60748-2-20:2008

– 2 –

CONTENTS INTRODUCTION..................................................................................................................... 4

1

Scope ............................................................................................................................... 5

2

Normative references ....................................................................................................... 5

3

Terms and definitions ....................................................................................................... 5

4

Interface specifications for low supply voltage below 3,3 V ............................................... 6 4.1

4.2

4.3

4.4

4.5

4.6

Specifications for 3,3 V nominal power supply volt age............................................. 6 4.1.1

General ....................................................................................................... 6

4.1.2

Absolute maximum con tinuous r atings ..... ... ........ ... ... ... ........ ... ... ........ ... ... .... 6

4.1.3

Normal range of operating supply voltage .................................................... 6

4.1.4

Wide range of operat ing supply voltage ....................................................... 7

Specifications for 2,5 V nominal power supply volt age........................................... ..8 4.2.1

General ..................................................................................................... ..8

4.2.2

Absolute maximum con tinuous r atings ..... ... ........ ... ... ... ........ ... ... ........ ... ... .. ..8

4.2.3

Normal range of operating supply voltage .................................................. ..8

4.2.4

Wide range of operat ing supply voltage ..................................................... ..9

Specifications for 1,8 V nominal power supply volt age........................................... 10 4.3.1

General ..................................................................................................... 10

4.3.2

Absolute maximum con tinuous r atings ..... ... ........ ... ... ... ........ ... ... ........ ... ... .. 10

4.3.3

Normal range of operating supply voltage .................................................. 10

4.3.4

Wide range of operat ing supply voltage ..................................................... 11


General ..................................................................................................... 11

4.4.2


4.4.3


4.4.4



General ..................................................................................................... 13

4.5.2


4.5.3


4.5.4



General ..................................................................................................... 15

4.6.2


4.6.3


4.6.4


Annex A (informative)

Threshold voltage tes t conditi ons of Schmitt trigger operation .......... 18

Bibliography.......................................................................................................................... 19

Figure A.1

− DC

characteristic measurement circuit of Schmitt-trig ger input.......................... 18

– 3 –

BS EN ISO 60748-2-20:2008

Table 1 – Absolute maximum continuous ratings for n ominal 3,3 V ......................................... 6 Table 2 – Operating conditions for 3,3 V normal r ange............................................................ 6 Table 3 – Output characteristics f or 3,3 V normal range .......................................................... 7 Table 4 – Operating co nditions for 3,3 V wide range ............................................................... 7 Table 5 – Output characteristics for 3,3 V wide range ............................................................. 7 Table 6 – Absolute maximum continuous ratings for n ominal 2,5 V ....................................... ..8 Table 7 – Operating conditions for 2,5 V normal r ange.......................................................... ..8 Table 8 – Output ch aracteristics for 2,5 V normal range ........................................................ ..9 Table 9 – Operating co nditions for 2,5 V wide range ............................................................. ..9 Table 10 – Output characteristics for 2,5 V wide range ......................................................... ..9 Table 11 – Absolute maximum continuous ratings for nominal 1,8 V ..................................... 10 Table 12 – Operating conditions f or 1,8 V normal range ........................................................ 10 Table 13 – Output c haracteristics for 1,8 V normal range ...................................................... 11 Table 14 – Operatin g conditions for 1,8 V wide range ........................................................... 11 Table 15 – Output characteristics for 1,8 V wide range ......................................................... 11 Table 16 – Absolute maximum continuous ratings for nominal 1,5 V ..................................... 12 Table 17 – Operating conditions f or 1,5 V normal range ........................................................ 12 Table 18 – Output c haracteristics for 1,5 V normal range ...................................................... 12 Table 19 – Operatin g conditions for 1,5 V wide range ........................................................... 13 Table 20 – Output characteristics for 1,5 V wide range ......................................................... 13 Table 21 – Absolute maximum continuous ratings for nominal 1,2 V ..................................... 13 Table 22 – Operating conditions f or 1,2 V normal range ........................................................ 14 Table 23 – Output c haracteristics for 1,2 V normal range ...................................................... 14 Table 24 – Operatin g conditions for 1,2 V wide range ........................................................... 15 Table 25 – Output characteristics for 1,2 V wide range ......................................................... 15 Table 26 – Absolute maximum continuous ratings for nominal 1,0 V ..................................... 16 Table 27 – Operating conditions f or 1,0 V normal range ........................................................ 16 Table 28 – Output c haracteristics for 1,0 V normal range ...................................................... 16 Table 29 – Operatin g conditions for 1,0 V wide range ........................................................... 17 Table 30 – Output characteristics for 1,0 V wide range ......................................................... 17

BS EN ISO 60748-2-20:2008

– 4 –

INTRODUCTION The dimensions of integrated circuit devices are continuing to be reduced, both vertically and horizontally, to obtain better performance and higher density. However, if the supply voltages and interface levels are not reduced, the electric fields within the die (chip) will increase, which leads to reduced reliability. These increased fields will also, together with the higher system-clock rate, lead to increased electromagnetic interference and noise induced on the supply leads and the ground plane, which leads to lower noise immunity and a higher probability of malfunction. To continue this trend of scaling down the size of semiconductor devices, lower power supply voltages are essential. For systems operating at lower supply voltage, the tolerances on the supply voltage and the input and output voltages must be specified more closely. Also, since the market for battery-operated equipment is expected to grow considerably, it is important to include specifications that cover this field. By setting standard values at this stage, manufacturing costs can be reduced and users can design systems more economically. After the publication of fir st edition of this standar d, scaling of digital ICs has still been drastically proceeding, and nowadays, state-of-the art digital ICs are operated at 1,2 V, and Schmitt trigger interface is widely used. In light of the situation, this second edition expands the specification of nominal power supply voltage down to 1,0 V and includes specifications of Schmitt trigger interface.

– 5 –

BS EN ISO 60748-2-20:2008

SEMICONDUCTOR DEVICES – INTEGRATED CIRCUITS – Part 2-20: Digital integrated circuits – Family specification – Low voltage integrated circuits

1

Scope

This standard aims at giving DC interface specifications for various sets of values, where each comprises the nominal value of power supply voltage, its tolerance, and the worst-case limit values of the input and output voltages for low voltage integrated circuits. It also provides two categories of interface specification for each nominal supply voltage – normal range and wide range. The normal range is based on the nominal industry standard with typical tolerance of about 10 %. The wide range covers battery operation that extends the lower limit to a practical value at which the battery will continue to operate.

2

Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. IEC 60748-2:1997, Semiconductor devices – Integrated circuits – Part 2: Digital integrated circuits

3

Terms and definitions

For the purposes of this document, the following terms and definitions apply. 3.1 absolute maximum continuous ratings conditions from which damage to the circuit may occur, if the circuit is exposed to such conditions 3.2 operating conditions conditions under which the circuit functions normally with appropriate degree of reliability 3.3 output characteristics requirements for the circuit to fulfil under the operating condition

BS EN ISO 60748-2-20:2008

4

– 6 –

Interface specifications for low supply voltage below 3,3 V

4.1

Specifications for 3,3 V nominal power supply voltage

4.1.1

General

These specifications apply to LVTTL- and LVCMOS-compatible circuits over the full operating temperature range specified by manufacturer to be commercial, industrial, and/or military grade. 4.1.2

Absolute maximum continuous ratings

Table 1 specifies absolute maximum continuous ratings of the circuits. Table 1 – Absolute maximum continuous ratings for nominal 3,3 V Parameters

Symbol

Min.

Max.

Unit

Power supply voltage

V DD

-0,5

4,6

V

DC input voltage

V IN

-0,5

V DD + 0,5 (4,6 V max)

V

V OUT

-0,5

V DD + 0,5 (4,6 V max)

V

T STG

—

—

°C

DC output voltage Storage temperature range a

a

Storage temperature range shall be specified by manufacturer for various purposes.

4.1.3

Normal range of operating supply voltage

Table 2 and Table 3 specify operating conditions and output characteristics for normal range power supply, respectively. Table 2 – Operating conditions for 3,3 V normal range Parameters

Symbol

Min.

Max.

Unit

V DD

3,0

3,6

V

High-level input voltage

V IH

2,0

V DD + 0,3

V

Low-level input voltage

V IL

-0,3

0,8

V

Positive going threshold voltage

V ITP

0,9

2,1

V

Negative going threshold voltage

V ITN

0,7

1,9

V

Hysteresis voltage

V hys

0,2

1,4

V

T a

—

—

°C


Normal input

Schmitt trigger input

Operating temperature range a

a

Operating temperature range shall be specified by manufacturer for various purposes.

BS EN ISO 60748-2-20:2008

– 7 –

Table 3 – Output characteristics for 3,3 V normal range LVTTL Characteris tics

Symbol

High-level output voltage

V OH

Low-level output voltage

V OL

4.1.4

LVCMOS

Condition

Unit Min.

Max.

Min.

Max.

I OH = -2 mA

2,4

—

—

—

V

I OH = -100 µ A

—

—

V DD – 0 ,2

—

V

I OL = 2 mA

—

0,4

—

—

V

I OL = 100 µ A

—

—

—

0,2

V

Wide range of operating supply voltage

Table 4 and Table 5 specify operating conditions and output characteristics for wide range power supply, respectively. Table 4 – Operating conditions for 3,3 V wide range Parameters

Symbol

Min.

Max.

Unit

V DD

2,7

3,6

V


V IH

2,0

V DD + 0,3

V


V IL

-0,3

0,8

V


V IT P

0,9

2,1

V


V ITN

0,7

1,9

V

Hysteresis voltage

V hy s

0,2

1,4

V

T a

—

—

°C


Normal input



a


Table 5 – Output characteristics for 3,3 V wide range LVCMOS Characteri stics

Symbol

Condition

Unit Min.

Max.


V OH

I OH = -100 µ A

V DD – 0, 2

—

V


V OL

I OL = 100 µ A

—

0,2

V

BS EN ISO 60748-2-20:2008

4.2

– 8 –


4.2.1

General

These specifications apply to CMOS-compatible circuits over the full operating temperature range specified by manufacturer to be commercial, industrial, and/or military grade. 4.2.2



Symbol

Min.

Max.

Unit


V DD

-0,5

3,6

V

DC input voltage

V IN

-0,5

V OUT

-0,5

T STG

—


a

V DD + 0,5 (3,6 V max) V DD + 0,5 (3,6 V max) —

V V °C


4.2.3



Symbol

Min.

Max.

Unit

V DD

2,3

2,7

V


V IH

1,7

V DD + 0,3

V


V IL

-0,3

0,7

V


V IT P

0,9

1,7

V


V IT N

0,7

1,5

V

Hysteresis voltage

V hy s

0,2

1,0

V

T a

—

—

°C


Normal input



a


BS EN ISO 60748-2-20:2008

– 9 –

Table 8 – Output characteristics for 2,5 V normal range Characteri stics

Symbol


Min.

Max.

Unit

I OH = -100 µ A

2,1

—

V

I OH = -1 mA

2,0

—

V

I OH = -2 mA

1,7

—

V

I OL = 100 µ A

—

0,2

V

I OL = 1 mA

—

0,4

V

I OL = 2 mA

—

0,7

V

V OH


4.2.4

Condition

V OL



Symbol

Min.

Max.

Unit

V DD

1,8

2,7

V


V IH

0,7 x V DD

V DD + 0,3

V


V IL

-0,3

0,2 x V DD

V


V ITP

0,25 x V DD

0,75 x V DD

V


V IT N

0,15 x V DD

0,65 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,6 x V DD

V

T a

—

—

°C


Normal input



a


Table 10 – Output characteristics for 2,5 V wide range Characteri stics

Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -100 µ A

V DD – 0, 2

—

V


V OL

I OL = 100 µ A

—

0,2

V

BS EN ISO 60748-2-20:2008

4.3

– 10 –


4.3.1

General




Symbol

Min.

Max.

Unit


V DD

-0,5

2,5

V

DC input voltage

V IN

-0,5

V OUT

-0,5

T STG

—


a

V DD + 0,5 (2,5 V max) V DD + 0,5 (2,5 V max) —

V V °C


4.3.3



Symbol

Min.

Max.

Unit

V DD

1,65

1,95

V


V IH

0,65 x V DD

V DD + 0,3

V


V IL

-0,3

0,35 x V DD

V


V ITP

0,4 x V DD

0,7 x V DD

V


V ITN

0,3 x V DD

0,6 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,4 x V DD

V

T a

—

—

°C


Normal input



a


BS EN ISO 60748-2-20:2008

– 11 –


Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -2 mA

V DD – 0 ,4 5

—

V


V OL

I OL = 2 mA

—

0,45

V

4.3.4



Symbol

Min.

Max.

Unit

V DD

1,2

1,95

V


V IH

0,7 x V DD

V DD + 0,3

V


V IL

-0,3

0,3 x V DD

V


V ITP

0,35 x V DD

0,75 x V DD

V


V IT N

0,25 x V DD

0,65 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,5 x V DD

V

T a

—

—

°C


Normal input



a



Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -100 µ A

V DD – 0, 2

-

V


V OL

I OL = 100 µ A

—

0,2

V

4.4 4.4.1

Specifications for 1,5 V nominal power supply voltage General



Table 16 specifies absolute maximum continuous ratings of the circuits.

BS EN ISO 60748-2-20:2008

– 12 –

Table 16 – Absolute maximum continuous ratings for nominal 1,5 V Parameters

Symbol

Min.

Max.

Unit


V DD

-0,5

2,0

V

DC input voltage

V IN

-0,5

V OUT

-0,5

T STG

—


a

V DD + 0,5 (2,0 V max) V DD + 0,5 (2,0 V max) —

V V °C


4.4.3



Symbol

Min.

Max.

Unit

V DD

1,4

1,6

V


V IH

0,65 x V DD

V DD + 0,3

V


V IL

-0,3

0,35 x V DD

V


V ITP

0,4 x V DD

0,7 x V DD

V


V ITN

0,3 x V DD

0,6 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,4 x V DD

V

T a

—

—

°C


Normal input



a



Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -2 mA

0,75 x V DD

—

V


V OL

I OL = 2 mA

—

0,25 x V DD

V

4.4.4


Table 19 and Table 20 specify operating conditions and output characteristics for wide range power supply, respectively.

BS EN ISO 60748-2-20:2008

– 13 –

Table 19 – Operating conditions for 1,5 V wide range Parameters

Symbol

Min.

Max.

Unit

V DD

0,9

1,6

V


V IH

0,7 x V DD

V DD + 0,3

V


V IL

-0,3

0,3 x V DD

V


V ITP

0,35 x V DD

0,75 x V DD

V


V IT N

0,25 x V DD

0,65 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,5 x V DD

V

T a

—

—

°C


Normal input



a



Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -100 µ A

V DD – 0, 2

—

V


V OL

I OL = 100 µ A

—

0,2

V

4.5


4.5.1

General




Symbol

Min.

Max.

Unit


V DD

-0,5

1,8

V

DC input voltage

V IN

-0,5

V OUT

-0,5

T STG

—


a


V DD + 0,5 (1,8 V max) V DD + 0,5 (1,8 V max) —

V V °C

BS EN ISO 60748-2-20:2008

4.5.3

– 14 –



Symbol

Min.

Max.

Unit

V DD

1,1

1,3

V


V IH

0,65 x V DD

V DD + 0,3

V


V IL

-0,3

0,35 x V DD

V


V IT P

0,4 x V DD

0,7 x V DD

V


V IT N

0,3 x V DD

0,6 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,4 x V DD

V

T a

—

—

°C


Normal input



a



Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -2 mA

0,75 x V DD

—

V


V OL

I OL = 2 mA

—

0,25 x V DD

V

4.5.4


Table 24 and Table 25 specify operating conditions and output characteristics for wide range power supply, respectively.

– 15 –

BS EN ISO 60748-2-20:2008

Table 24 – Operating conditions for 1,2 V wide range Parameters

Symbol

Min.

Max.

Unit

V DD

0,8

1,3

V


V IH

0,7 x V DD

V DD + 0,3

V


V IL

-0,3

0,3 x V DD

V


V ITP

0,35 x V DD

0,75 x V DD

V


V IT N

0,25 x V DD

0,65 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,5 x V DD

V

T a

—

—

°C


Normal input



a


Table 25 – Output characteristics for 1,2 V wide range Characteris tics

Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -100 µ A

V DD – 0, 1

—

V


V OL

I OL = 100 µ A

—

0,1

V

4.6 4.6.1

Specifications for 1,0 V nominal power supply voltage General



Table 26 specifies absolute maximum continuous ratings of the circuits.

BS EN ISO 60748-2-20:2008

– 16 –

Table 26 – Absolute maximum continuous ratings for nominal 1,0 V Parameters

Symbol

Min.

Max.

Unit

a

V DD

-0,4

1,4

V

V IN

-0,4

V OUT

-0,4

T STG

—

Power supply voltage DC input voltage DC output voltage

Storage temperature range

b

V DD + 0,4 (1,4 V max) V DD + 0,4 (1,4 V max) —

V V °C

a

The maximum voltage allowed between any two signals (input, output or input/output) pins or any signal pin and V DD shall be less than 1,6 V. b


4.6.3



Symbol

Min.

Max.

Unit

V DD

0,9

1,1

V


V IH

0,65 x V DD

V DD + 0,2

V


V IL

-0,2

0,35 x V DD

V


V IT P

0,4 x V DD

0,7 x V DD

V


V IT N

0,3 x V DD

0,6 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,4 x V DD

V

T a

—

—

°C


Normal input



a


Table 28 – Output characteristics for 1,0 V normal range Characteris tics

Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -2 mA

0,75 x V DD

—

V


V OL

I OL = 2 mA

—

0,25 x V DD

V

– 17 –

4.6.4

BS EN ISO 60748-2-20:2008



Symbol

Min.

Max.

Unit

V DD

0,7

1,1

V


V IH

0,7 x V DD

V DD + 0,2

V


V IL

-0,2

0,3 x V DD

V


V ITP

0,35 x V DD

0,75 x V DD

V


V IT N

0,25 x V DD

0,65 x V DD

V

Hysteresis voltage

V hy s

0,1 x V DD

0,5 x V DD

V

T a

—

—

°C


Normal input



a



Symbol

Condition

Min.

Max.

Unit


V OH

I OH = -100 µ A

V DD – 0, 1

—

V


V OL

I OL = 100 µ A

—

0,1

V

BS EN ISO 60748-2-20:2008

– 18 –

Annex A (informative) Threshold voltage test conditions of Schmitt trigger operation

A.1

Introduction

This annex gives an example of measurement method for DC characteristics of Schmitt trigger input. The DUT is a Schmitt trigger input IC with inverted output.

A.2

Threshold voltages:

V ITP , V ITN

The input signal is raised from a ground level in the measurement circuit shown in Figure A.1, and the input voltage value for which the output logic state changes is determined as V ITP . The input signal is dropped from a power supply voltage level in the measurement circuit shown in Figure A.1, and the input voltage value for which the output logic state changes is determined as V ITN .

A.3

Hysteresis voltage:

V hys

The hysteresis voltage can be obtained only from calculation: V ITP – V IT N. The details are given in Chapter III of IEC 60748-2. V DD

Input

Output A

V

IEC

Figure A.1

341/08

DC characteristic measurement circuit of Schmitt-trigger input

– 19 –

BS EN ISO 60748-2-20:2008

Bibliography JEDEC Standard JESD8-C, Interface Standard for Nominal 3 V/3.3 V Supply Digital Integrated Circuits JEDEC Standard JESD8-5A, 2.5 V ± 0.2 V (Normal Range) and 1.8 V − 2.7 V (Wide Range) Power Supply Voltage and Interface Standard for Non-terminated Digital Integrated Circuits JEDEC Standard JESD8-7A, 1.8 V ± 0.15 V (Normal Range) and 1.2 V − 1.95 V (Wide Range) Power Supply Voltage and Interface Standard for Non-terminated Digital Integrated Circuits JEDEC Standard JESD8-11A, 1.5 V ± 0.1 V (Normal Range) and 0.9 V − 1.6 V (Wide Range) Power Supply Voltage and Interface Standard for Non-terminated Digital Integrated Circuits JEDEC Standard JESD8-12A, 1.2 V ± 0.1 V (Normal Range) and 0.8 V − 1.3 V (Wide Range) Power Supply Voltage and Interface Standard for Non-terminated Digital Integrated Circuits JEDEC Standard JESD8-14A, 1.0 V ± 0.1 V (Normal Range) and 0.7 V − 1.1 V (Wide Range) Power Supply Voltage and Interface Standard for Non-terminated Digital Integrated Circuits

___________

BS IEC 60748-2-20:2008

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BS IEC 60748-2-20-2008.pdf

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