74ls367

May 1989

54LS367ADM54LS367ADM74LS367A Hex TRI-STATE  Buffers General Description This device contains six independent gates each of which performs a non-inverting buffer function The outputs have the TRI-STATE feature When enabled the outputs exhibit the low impedance characteristics of a standard LS output with additional drive capability to permit the driving of bus lines without external external resistors resistors When disabled disabled both the output output transisto transistors rs are turned turned off presenting presenting a high-impe high-impeddance state to the bus line Thus the output will act neither as a significant load nor as a driver To minimize the possibility

that two outputs will attempt to take a common bus to opposite logic levels the disable time is shorter than the enable time of the outputs

Features Y

Altern Alternate ate milita military ryaer aerosp ospace ace device device (54LS3 (54LS367A 67A)) is availabl available e Contact Contact a National National Semicondu Semiconductor ctor sales officedistributor for specifications

Connection Diagram Dual-In-Line Dual-In-Line Package

TLF6429–1

Order Number 54LS367ADMQB 54LS367ADMQB 54LS367AFMQB 54LS367ALMQB 54LS367ALMQB DM54LS367AJ DM54LS367AW DM74LS367AM or DM74LS367AN See NS Package Number E20A J16A M16A N16E or W16A

Function Table Y

e

A

Inputs

Output

A

G

Y

L H X

L L H

L H Hi-Z

H  e   High Logic Level L

e   Low

Logic Level

X  e   Either Low or High Logic Level Hi-Z  e   TRI-STATE (Outputs are disabled)

TRI-STATE  is a registered trademark of National Semiconductor Corporation

C1995 National Semiconductor Corporation

TLF6429

RRD-B30M105Printed in U S A 

 5   4   L   S   3   6   7   A      D  M  5   4   L   S   3   6   7   A      D  M  7   4   L   S   3   6   7   A  H  e  x  T   R  I     S   T   A  T   E   B   u  f     f     e  r   s

Absolute Maximum Ratings   (Note) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage

7V

Input Voltage

7V

Operating Free Air Temperature Range DM54LS DM74LS

b 55 C to a 125 C

Storage Temperature Range

b65 C to a 150 C

0 C to

Note  The ‘‘Absolute Maximum Ratings’’ are those values  beyond which the safety of the device cannot be guaran-  teed The device should not be operated at these limits The  parametric values defined in the ‘‘Electrical Characteristics’’  table are not guaranteed at the absolute maximum ratings The ‘‘Recommended Operating Conditions’’ table will define  the conditions for actual device operation

a 70 C

Recommended Operating Conditions Symbol

DM54LS367A

Parameter

DM74LS367A

Units

Min

Nom

Max

Min

Nom

Max

45

5

55

475

5

525

V

VCC

Supply Voltage

VIH

High Level Input Voltage

VIL

Low Level Input Voltage

07

08

V

IOH

High Level Output Current

b1

b26

mA

IOL

Low Level Output Current

24

mA

TA

Free Air Operating Temperature

70

C

2

2

V

12 b55

125

0

Electrical Characteristics  over recommended operating free air temperature range (unless otherwise noted) Symbol

Parameter

Conditions

Typ (Note 1)

Units

b15

V

Input Clamp Voltage

VCC e Min II

VOH

High Level Output Voltage

VCC e Min IOH e Max VIL e Max V IH e Min

VOL

Low Level Output Voltage

VCC e Min IOL e Max VIL e Max V IH e Min

DM54

025

04

DM74

035

05

IOL

DM74

025

04

12 mA VCC

e

mA

Max

VI

e

e b18

Min

Min

24

34

V

V

II

Input Current   Max Input Voltage

VCC e Max V I e 7V

01

mA

IIH

High Level Input Current

VCC e Max V I e 27V

20

mA

IIL

Low Level Input Current

VCC e Max V I e 05V (Note 4)

A Input

b20

mA

VCC e Max V I e 04V (Note 5)

A Input

VCC e Max V I e 04V

G Input

IOZH

IOZL

IOS ICC

b04

mA

b04

Off-State Output Current with Hig h Level Output Voltage Applied

V CC e Max V O e 24V V IH e Min VIL e Max

20

mA

Off-State Output Current with Low Level Output Voltage Applied

V CC e Max V O e 04V VIH e Min VIL e Max

b20

mA

Short Circuit Output Current

VCC e Max (Note 2)

Supply Current

VCC e Max (Note 3)

DM54

b20

b100

DM74

b20

b100

Note 1  All typicals are at V CC  e  5V T A  e  25  C Note 2  Not more than one output should be shorted at a time and the duration should not exceed one second Note 3  I CC  is measured with the DATA inputs grounded and the OUTPUT CONTROLS at 45V Note 4  Both G inputs are at 2V Note 5  Both G inputs at 04V

2

14

24

mA mA

Switching Characteristics  at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) RL e 667X Symbol

Parameter

CL e 50 pF Min

Max

CL e 150 pF Min

Units

Max

tPLH

Propagation Delay Time Low to High Level Output

16

25

ns

tPHL

Propagation Delay Time High to Low Level Output

16

25

ns

tPZH

Output Enable Time to High Level Output

30

40

ns

tPZL

Output Enable Time to Low Level Output

30

40

ns

tPHZ

Output Disable Time from High Level Output (Note 6)

20

ns

tPLZ

Output Disable Time from Low Level Output (Note 6)

20

ns

Note 6 C L  e  5 pF

3

Physical Dimensions  inches (millimeters)

Ceramic Leadless Chip Carrier Package (E) Order Number 54LS367ALMQB NS Package Number E20A

Ceramic Dual-In-Line Package (J) Order Number 54LS367ADMQB or DM54LS367AJ NS Package Number J16A

4

Physical Dimensions  inches (millimeters) (Continued)

16-Lead Small Outline Molded Package (M) Order Number DM74LS367AM NS Package Number M16A

16-Lead Molded Dual-In-Line Package (N) Order Number DM74LS367AN NS Package Number N16E

5

    s     r     e Physical Dimensions  inches (millimeters) (Continued)      f      f     u      B      E      T      A      T      S         I      R      T     x     e      H      A      7      6      3      S      L      4      7      M      D            A 16-Lead Ceramic Flat Package (W)      7      6 Order Number 54LS367AFMQB or DM54LS367AW      3 NS Package Number W16A      S      L      4      5      M      D            A      7      6      3      S      L      4      5

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