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MC74AC244M View Datasheet(PDF) - ON Semiconductor

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Description
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MC74AC244M Datasheet PDF : 9 Pages
1 2 3 4 5 6 7 8 9
MC74AC244, MC74ACT244
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.
Features
3−State Outputs Drive Bus Lines or Buffer Memory Address
Registers
Outputs Source/Sink 24 mA
ACT244 Has TTL Compatible Inputs
Pb−Free Packages are Available*
VCC OE2
20 19 18 17 16 15 14 13 12 11
http://onsemi.com
1
1
PDIP−20
N SUFFIX
CASE 738
SOIC−20W
DW SUFFIX
CASE 751D
1 2 3 4 5 6 7 8 9 10
OE1
GND
Pinout: 20−Lead Packages Conductors (Top View)
TRUTH TABLE
Inputs
Outputs
OE1 D (Pins 12, 14, 16, 18)
LL
L
LH
H
HX
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
Outputs
OE2 D
LL
LH
HX
(Pins 3, 5, 7, 9)
L
H
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TSSOP−20
DT SUFFIX
CASE 948E
1
SOEIAJ−20
M SUFFIX
CASE 967
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 6 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2006
1
September, 2006 − Rev. 7
Publication Order Number:
MC74AC244/D
 

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