MC74AC244DW MOTOROLA [Motorola, Inc], MC74AC244DW Datasheet

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MC74AC244DW

Manufacturer Part Number
MC74AC244DW
Description
OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet

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Octal Buffer/Line Driver
with 3 State Outputs
employed as a memory address driver, clock driver and bus oriented transmitter/
receiver which provides improved PC board density.
TRUTH TABLE
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
OE 1
3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
Outputs Source/Sink 24 mA
H
V CC
L
L
ACT244 Has TTL Compatible Inputs
OE 1
The MC74AC244/74ACT244 is an octal buffer and line driver designed to be
Inputs
20
1
OE 2
D
H
X
L
19
2
(Pins 12, 14, 16, 18)
18
3
Outputs
17
4
H
L
Z
16
5
15
6
14
7
13
8
12
9
GND
10
11
FACT DATA
5-1
TRUTH TABLE
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
OE 2
H
L
L
Inputs
D
H
L
X
(Pins 3, 5, 7, 9)
Outputs
H
Z
L
MC74ACT244
MC74AC244
OCTAL BUFFER/LINE
3-STATE OUTPUTS
DRIVER WITH
CASE 751D-04
CASE 738-03
DW SUFFIX
N SUFFIX
PLASTIC
PLASTIC

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MC74AC244DW Summary of contents

Page 1

Octal Buffer/Line Driver with 3 State Outputs The MC74AC244/74ACT244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/ receiver which provides improved PC board density. 3-State Outputs ...

Page 2

MC74AC244 MC74ACT244 MAXIMUM RATINGS* Symbol Supply Voltage (Referenced to GND Input Voltage (Referenced to GND) V out DC Output Voltage (Referenced to GND Input Current, per Pin I out DC Output ...

Page 3

MC74AC244 MC74ACT244 DC CHARACTERISTICS Symbol Symbol Parameter Parameter V IH Minimum High Level Input Voltage Input Voltage V IL Maximum Low Level Input Voltage Input Voltage V OH Minimum High Level Output Voltage Output Voltage V OL Maximum Low Level ...

Page 4

MC74AC244 MC74ACT244 AC CHARACTERISTICS (For Figures and Waveforms — See Section 3) Symbol Symbol Parameter Parameter Propagation Delay t PLH t PLH Data to Output Propagation Delay t PHL t PHL Data to Output t PZH t PZH Output Enable ...

Page 5

MC74AC244 MC74ACT244 AC CHARACTERISTICS (For Figures and Waveforms — See Section 3) Symbol Symbol Parameter Parameter Propagation Delay t PLH t PLH Data to Output Data to Output Propagation Delay t PHL t PHL Data to Output Data to Output ...

Page 6

MC74AC244 MC74ACT244 –A– –T– SEATING PLANE –A– –B– 20X 0.010 (0.25 18X K Motorola reserves the right to ...

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