54FCT373 NSC [National Semiconductor], 54FCT373 Datasheet
54FCT373
Manufacturer Part Number
54FCT373
Description
Octal Transparent Latch with TRI-STATE Outputs
Manufacturer
NSC [National Semiconductor]
Datasheet
1.54FCT373.pdf
(8 pages)
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© 1999 National Semiconductor Corporation
54FCT373
Octal Transparent Latch with TRI-STATE
General Description
The ’FCT373 consists of eight latches with TRI-STATE out-
puts for bus organized system applications. The flip-flops ap-
pear transparent to the data when Latch Enable (LE) is
HIGH. When LE is LOW, the data that meets the setup times
is latched. Data appears on the bus when the Output Enable
(OE) is LOW. When OE is HIGH the bus output is in the high
impedance state.
Ordering Code
Connection Diagrams
TRI-STATE
54FCT373DMQB
54FCT373FMQB
54FCT373LMQB
®
is a registered trademark of National Semiconductor Corporation.
Military
for DIP and Flatpak
Pin Assignment
Package Number
DS100957-1
W20A
DS100957
E20A
J20A
D
LE
OE
O
Pin Names
0
0
–D
–O
7
7
20-Lead Ceramic Dual-In-Line
20-Lead Cerpack
20-Lead Ceramic Leadless Chip Carrier, Type C
Data Inputs
Latch Enable Input
Output Enable Input
TRI-STATE Latch
(Active HIGH)
(Active LOW)
Outputs
Description
Features
n TRI-STATE outputs for bus interfacing
n TTL input and output level compatible
n CMOS power consumption
n Output sink capability of 32 mA, source capability of
n Standard Microcircuit Drawing (SMD) 5962-8764401
12 mA
Package Description
Pin Assignment
®
for LCC
Outputs
DS100957-2
October 1999
www.national.com
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