August 1995
54F/74F573
Octal D-Type Latch with TRI-STATE Outputs
É
General Description
The ’F573 is a high speed octal latch with buffered common
Latch Enable (LE) and buffered common Output Enable
(OE) inputs.
Features
Y
Inputs and outputs on opposite sides of package
allowing easy interface with microprocessors
Useful as input or output port for microprocessors
Functionally identical to ’F373
Y
Y
Y
Y
This device is functionally identical to the ’F373 but has
different pinouts.
TRI-STATE outputs for bus interfacing
Guaranteed 4000V minimum ESD protection
Package
Commercial
74F573PC
Military
Package Description
Number
N20A
J20A
20-Lead (0.300 Wide) Molded Dual-In-Line
×
54F573DM (Note 2)
20-Lead Ceramic Dual-In-Line
74F573SC (Note 1)
74F573SJ (Note 1)
M20B
M20D
W20A
E20A
20-Lead (0.300 Wide) Molded Small Outline, JEDEC
×
20-Lead (0.300 Wide) Molded Small Outline, EIAJ
×
54F573FM (Note 2)
54F573LM (Note 2)
20-Lead Cerpak
20-Lead Ceramic Leadless Chip Carrier, Type C
e
Note 1: Devices also available in 13 reel. Use suffix
SCX and SJX.
×
Note 2: Military grade device with environmental and burn-in processing. Use suffix
e
DMQB, FMQB and LMQB.
Logic Symbols
Connection Diagrams
Pin Assignment for
DIP, SOIC and Flatpak
Pin Assignment
for LCC
TL/F/9566–1
IEEE/IEC
TL/F/9566–3
TL/F/9566–2
TL/F/9566–4
TRI-STATEÉ is a registered trademark of National Semiconductor Corporation.
C
1995 National Semiconductor Corporation
TL/F/9566
RRD-B30M115/Printed in U. S. A.
ROCHESTER [ Rochester Electronics ]
