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