IN74HC244AN Integral Corp., IN74HC244AN Datasheet

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IN74HC244AN

Manufacturer Part Number
IN74HC244AN
Description
Octal 3-state noninverting buffer/line driver/line receiver, high-performance silicon-gate CMOS
Manufacturer
Integral Corp.
Datasheet

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IN74HC244AN
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Octal 3-State Noninverting
Buffer/Line Driver/Line Receiver
High-Performance Silicon-Gate CMOS
device inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LS/ALSTTL outputs.
to be used with 3-state memory address drivers, clock drivers, and
other bus-oriented systems. The device has noninverting outputs and
two active-low output enables.
The IN74HC244A is identical in pinout to the LS/ALS244. The
This octal noninverting buffer/line driver/line receiver is designed
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0 A
High Noise Immunity Characteristic of CMOS Devices
LOGIC DIAGRAM
PIN 10 = GND
PIN 20=V
CC
X=don’t care
Z = high impedance
Enable A,
Enable B
T
H
L
L
A
ORDERING INFORMATION
FUNCTION TABLE
= -55 to 125 C for all packages
Inputs
PIN ASSIGNMENT
IN74HC244ADW SOIC
TECHNICAL DATA
IN74HC244AN Plastic
IN74HC244A
A,B
H
X
L
Outputs
YA,YB
H
L
Z
291

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IN74HC244AN Summary of contents

Page 1

... Operating Voltage Range: 2.0 to 6.0 V Low Input Current: 1.0 A High Noise Immunity Characteristic of CMOS Devices LOGIC DIAGRAM PIN 20=V PIN 10 = GND CC X=don’t care Z = high impedance TECHNICAL DATA IN74HC244A ORDERING INFORMATION IN74HC244AN Plastic IN74HC244ADW SOIC T = -55 to 125 C for all packages A PIN ASSIGNMENT FUNCTION TABLE Inputs Outputs Enable A, A,B YA,YB ...

Page 2

IN74HC244A * MAXIMUM RATINGS Symbol V DC Supply Voltage (Referenced to GND Input Voltage (Referenced to GND Output Voltage (Referenced to GND) OUT I DC Input Current, per Pin Output Current, ...

Page 3

DC ELECTRICAL CHARACTERISTICS Symbol Parameter V Minimum High-Level IH Input Voltage V Maximum Low - IL Level Input Voltage V Minimum High-Level OH Output Voltage V Maximum Low-Level OL Output Voltage I Maximum Input IN Leakage Current I Maximum Three- ...

Page 4

IN74HC244A AC ELECTRICAL CHARACTERISTICS Symbol Parameter Maximum Propagation Delay PLH PHL YB (Figures 1 and Maximum Propagation Delay , Output Enable to PLZ PHZ ...

Page 5

EXPANDED LOGIC DIAGRAM (1/8 of the Device) IN74HC244A 295 ...

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