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MC74AC244 fiches techniques PDF

ON Semiconductor - Octal Buffer/Line Driver

Numéro de référence MC74AC244
Description Octal Buffer/Line Driver
Fabricant ON Semiconductor 
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MC74AC244 fiche technique
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
These are Pb−Free Devices
VCC OE2
20 19 18 17 16 15 14 13 12 11
www.onsemi.com
SOIC−20W
DW SUFFIX
CASE 751D
1
TSSOP−20
DT SUFFIX
CASE 948E
1
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
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 5 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
February, 2015 − Rev. 8
1
Publication Order Number:
MC74AC244/D

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