IN74LS138D IK Semiconductor, IN74LS138D Datasheet

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IN74LS138D

Manufacturer Part Number
IN74LS138D
Description
Manufacturer
IK Semiconductor
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
IN74LS138D
Manufacturer:
HYNIX/海力士
Quantity:
20 000
3-to-8-Line Decoder/Demultiplexer
high-performance
requiring very short propagation delay time. In high-performance
memory systems this decode can be used to minimize the effects of
system decoding. When employed with high-speed memories utilizing a
fast enable circuit the delay times of this decorder and the enable time of
the memory are usually less than the typical access times of the memory.
This means that the effective system delay introduced by the schottky-
clampled system decoder is negligible.
• Designed Specifically for High Speed Memory Decoders and Data
• Incorporate 3 Enabler Inputs to Simplify Cascading AND/OR Data
• Schottky Clamped for High Performance
This schottky-clamped TTL MSI circuit is designed to be used in
Transmission Systems
Reception
LOGIC DIAGRAM
PIN 8 = GND
PIN 16 =V
memory-decording
CC
or
data-routing
H = high level (steady state)
L = low level (steady state)
X = don’t care
CS1 CS2 CS3
X X H
X H X
L X X
H L L
H L L
H L L
H L L
H L L
H L L
H L L
H L L
applications
Inputs
FUNCTION TABLE
A2 A1 A0
X X X
X X X
X X X
H H H
L H H
H L H
H H L
L L H
L H L
H L L
L L L
ORDERING INFORMATION
T
A
PIN ASSIGNMENT
= 0° to 70° C for all packages
IN74LS138N Plastic
IN74LS138D SOIC
TECHNICAL DATA
Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
IN74LS138
H H H H H H H H
H H H H H H H H
H H H H H H H H
L H H H H H H H
H L H H H H H H
H H L H H H H H
H H H L H H H H
H H H H L H H H
H H H H H L H H
H H H H H H L H
H H H H H H H L
Outputs
Rev. 00

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IN74LS138D Summary of contents

Page 1

... high level (steady state low level (steady state don’t care TECHNICAL DATA IN74LS138 IN74LS138N Plastic IN74LS138D SOIC = 0° to 70° C for all packages A PIN ASSIGNMENT Outputs ...

Page 2

MAXIMUM RATINGS Symbol V Supply Voltage CC V Input Voltage IN V Output Voltage OUT Tstg Storage Temperature Range * Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to ...

Page 3

AC ELECTRICAL CHARACTERISTICS ns 6.0 ns) f Symbol Parameter t Maximum Propagation Delay, Input A to PLH Output Y t Maximum Propagation Delay, Input A to PHL Output Y t Maximum Propagation Delay, Input A to PLH Output ...

Page 4

0.25 (0.010 NOTES: 1. Dimensions “A”, “B” do not include mold flash or protrusions. Maximum mold flash or protrusions 0.25 mm (0.010) per side ...

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