MM74C244J National Semiconductor, MM74C244J Datasheet

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MM74C244J

Manufacturer Part Number
MM74C244J
Description
Octal Buffers and Line Drivers with TRI-STATE Outputs
Manufacturer
National Semiconductor
Datasheet

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Part Number:
MM74C244J
Manufacturer:
MH
Quantity:
6 218
C 1995 National Semiconductor Corporation
MM54C240 MM74C240 Inverting
MM54C244 MM74C244 Non-Inverting
Octal Buffers and Line Drivers with TRI-STATE Outputs
General Description
These octal buffers and line drivers are monolithic comple-
mentary MOS (CMOS) integrated circuits with TRI-STATE
outputs These outputs have been specially designed to
drive highly capacitive loads such as bus-oriented systems
These devices have a fan out of 6 low power Schottky
loads A high logic level on the output disable control input
G makes the outputs go into the high impedance state For
improved TTL input compatibility see MM74C941
Logic and Connection Diagrams
TRI-STATE is a registered trademark of National Semiconductor Corporation
MM54C240 MM74C240
MM54C244 MM74C244
TL F 5905
TL F 5905 – 1
TL F 5905 – 3
Features
Y
Y
Y
Y
Y
Y
Y
Y
Y
Wide supply voltage range (3V to 15V)
High noise immunity (0 45 V
Low power consumption
High capacitive load drive capability
TRI-STATE outputs
Input protection
TTL compatibility
20-pin dual-in-line package
High speed 25 ns (typ )
MM54C240 MM74C240 Dual-In-Line Package
MM54C244 MM74C244 Dual-In-Line Package
Order Number MM54C240 or MM74C240
Order Number MM54C244 or MM74C244
Top View
Top View
10V 50 pF (MM74C244)
CC
typ)
RRD-B30M105 Printed in U S A
February 1988
TL F 5905 – 2
TL F 5905 – 4

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MM74C244J Summary of contents

Page 1

... G makes the outputs go into the high impedance state For improved TTL input compatibility see MM74C941 Logic and Connection Diagrams MM54C240 MM74C240 MM54C244 MM74C244 TRI-STATE is a registered trademark of National Semiconductor Corporation C 1995 National Semiconductor Corporation TL F 5905 Features Wide supply voltage range (3V to 15V) ...

Page 2

... Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Voltage at Any Pin Operating Temperature Range MM54C240 MM54C244 MM74C240 MM74C244 DC Electrical Characteristics Symbol Parameter CMOS TO CMOS V Logical ‘‘1’’ Input Voltage ...

Page 3

AC Electrical Characteristics Symbol Parameter t t Propagation Delay PD(1) PD(0) (Data In to Out) MM54C240 MM74C240 MM54C244 MM74C244 t t Propagation Delay Output 1H 0H Disable to High Impedance State (from a Logic Level Propagation Delay Output ...

Page 4

Truth Tables ODA ODA High e 0 Low e X Don’t ...

Page 5

AC Test Circuits and Switching Time Waveforms t t pd0 pd1 TL F 5905– and 5905– and 5905– 14 Note Delays measured with input t t ...

Page 6

... Physical Dimensions inches (millimeters) Order Number MM54C240J MM54C244J MM74C240J or MM74C244J Order Number MM54C240N MM54C244N MM74C240N or MM74C244N 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 THE PRESIDENT OF NATIONAL ...

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