dm74ls265am National Semiconductor Corporation, dm74ls265am Datasheet

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dm74ls265am

Manufacturer Part Number
dm74ls265am
Description
Hex Tri-state Buffers
Manufacturer
National Semiconductor Corporation
Datasheet
C 1995 National Semiconductor Corporation
54LS365A DM54LS365A DM74LS365A
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 resistors When disabled both the
output transistors are turned off presenting a high-imped-
ance state to the bus line Thus the output will act neither as
a significant load nor as a driver To minimize the possibility
Connection Diagram
Function Table
TRI-STATE is a registered trademark of National Semiconductor Corporation
Order Number 54LS365ADMQB 54LS365AFMQB 54LS365ALMQB
DM54LS365AJ DM54LS365AW DM74LS265AM or DM74LS365AN
TL F 6427
See NS Package Number E20A J16A M16A N16E or W16A
H
L
X
Hi-Z
e
e
e
G1
Low Logic Level
Either Low or High Logic Level
e
High Logic Level
H
X
L
L
TRI-STATE (Outputs are disabled)
Dual-In-Line Package
Input
G2
X
H
L
L
Y
e
A
that two outputs will attempt to take a common bus to oppo-
site logic levels the disable time is shorter than the enable
time of the outputs
Features
Y
A
H
X
X
L
Alternate Military Aerospace device (54LS365A) is
available Contact a National Semiconductor Sales Of-
fice Distributor for specifications
Output
Hi-Z
Hi-Z
H
Y
L
TL F 6427 – 1
RRD-B30M105 Printed in U S A
June 1989

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dm74ls265am Summary of contents

Page 1

... Thus the output will act neither as a significant load nor as a driver To minimize the possibility Connection Diagram Order Number 54LS365ADMQB 54LS365AFMQB 54LS365ALMQB DM54LS365AJ DM54LS365AW DM74LS265AM or DM74LS365AN See NS Package Number E20A J16A M16A N16E or W16A Function Table H ...

Page 2

Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage Input Voltage Operating Free Air Temperature Range DM54LS and 54LS b DM74LS Storage Temperature Range b ...

Page 3

Switching Characteristics Symbol Parameter t Propagation Delay Time Low PLH to High Level Output t Propagation Delay Time High PHL to Low Level Output t Output Enable Time to PZH High Level Output t Output Enable Time to PZL Low ...

Page 4

Physical Dimensions inches (millimeters) (Continued) Ceramic Leadless Chip Carrier Package (E) 16-Lead Ceramic Dual-In-Line Package (J) Order Number 54LS365ADMQB or DM54LS365AJ Order Number 54LS365ALMQB NS Package Number E20A NS Package Number J16A 4 ...

Page 5

Physical Dimensions inches (millimeters) (Continued) 16-Lead Small Outline Molded Package (M) 16-Lead Molded Dual-In-Line Package (N) Order Number DM74LS365AM NS Package Number M16A Order Number DM74LS365AN NS Package Number N16E 5 ...

Page 6

Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flat Package (W) Order Number 54LS365AFMQB or DM54LS365AW LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF ...

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