July 1998
54ABT374
Octal D-Type Flip-Flop with TRI-STATE® Outputs
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
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.
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
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
Ordering Code
Military
Package
Number
Package Description
54ABT374J/883
J20A
W20A
E20A
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
54ABT374W/883
54ABT374E/883
20-Lead Ceramic Leadless Chip Carrier, Type C
Connection Diagrams
Pin Assignment for DIP
and Flatpak
Pin Assignment
for LCC
DS100207-2
DS100207-1
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
© 1998 National Semiconductor Corporation
DS100207
www.national.com
NSC [ National Semiconductor ]
