54FCT244
Octal Buffer/Line Driver with TRI-STATE
®
Outputs
General Description
The ’FCT244 is an octal buffer and line driver with
TRI-STATE outputs designed to be employed as a memory
and address driver, clock driver, or bus-oriented transmitter/
receiver.
Features
n Non-inverting buffers
n Output sink capability of 48 mA, source capability of
12 mA
n TRI-STATE outputs drive lines or buffer memory address
registers
n TTL input and output level compatible
n CMOS power consumption
n Standard Microcircuit Drawing (SMD) 5962-8763001
Ordering Code
Military Package Package Description
Number
54FCT244DMQB J20A 20-Lead Ceramic Dual-In-Line
54FCT244FMQB W20A 20-Lead Cerpack
54FCT244LMQB E20A 20-Lead Ceramic Leadless Chip Carrier, Type C
Connection Diagrams
Pin
Names
Description
OE
1
,OE
2
Output Enable Input
(Active Low)
I
0
–I
7
Inputs
O
0
–O
7
Outputs
OE
1
I
0–3
O
0–3
OE
2
I
4–7
O
4–7
HXZHXZ
LHHLHH
LLLLLL
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
Z
=
High Impedance
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
Pin Assignment for
DIP and Flatpak
DS100967-1
Pin Assignment for LCC
DS100967-2
September 1998
54FCT244 Octal Buffer/Line Driver with TRI-STATE Outputs
© 1999 National Semiconductor Corporation DS100967 www.national.com