54ABT374
Octal D-Type Flip-Flop with TRI-STATE
®
Outputs
General Description
The ’ABT374 is an octal D-type flip-flop featuring separate
D-type inputs for each flip-flop and TRI-STATE outputs for
bus-oriented applications. A buffered Clock (CP) and Output
Enable (OE) are common to all flip-flops.
Features
n Edge-triggered D-type inputs
n Buffered positive edge-triggered clock
n TRI-STATE outputs for bus-oriented applications
n Output sink capability of 48 mA, source capability of
24 mA
n Guaranteed multiple output switching specifications
n Output switching specified for both 50 pF and 250 pF
loads
n Guaranteed simultaneous switching, noise level and
dynamic threshold performance
n Guaranteed latchup protection
n High impedance glitch free bus loading during entire
power up and power down cycle
n Non-destructive hot insertion capability
n Standard Microcircuit Drawing (SMD) 5962-9314901
Ordering Code
Military Package Package Description
Number
54ABT374J/883 J20A 20-Lead Ceramic Dual-In-Line
54ABT374W/883 W20A 20-Lead Cerpack
54ABT374E/883 E20A 20-Lead Ceramic Leadless Chip Carrier, Type C
Connection Diagrams
TRI-STATE
®
is a registered trademark of National Semiconductor Corporation.
Pin Assignment for DIP
and Flatpak
DS100207-1
Pin Assignment
for LCC
DS100207-2
July 1998
54ABT374
Octal
D-T
ype
Flip-Flop
with
TRI-ST
A
T
E
Outputs
© 1998 National Semiconductor Corporation DS100207 www.national.com