MC74AC244 Datasheet, PDF (1/6 Pages) Motorola, Inc – OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

MC74AC244
MC74ACT244
Octal Buffer/Line Driver
with 3ĆState 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 Drive Bus Lines or Buffer Memory Address Registers
• Outputs Source/Sink 24 mA
• ′ACT244 Has TTL Compatible Inputs
VCC OE2
20 19 18 17 16 15 14 13 12 11
OCTAL BUFFER/LINE
DRIVER WITH
3-STATE OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
1 2 3 4 5 6 7 8 9 10
OE1
GND
DW SUFFIX
CASE 751D-04
PLASTIC
TRUTH TABLE
Inputs
Outputs
OE1 D
L
L
LH
HX
(Pins 12, 14, 16, 18)
L
H
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
Outputs
OE2 D
L
L
LH
HX
(Pins 3, 5, 7, 9)
L
H
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
FACT DATA
5-1