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54FCT273F Datenblatt(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Teilenummer 54FCT273F
Bauteilbeschribung  Octal D-Type Flip-Flop
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Hersteller  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54FCT273F Datenblatt(HTML) 1 Page - National Semiconductor (TI)

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54FCT273
Octal D-Type Flip-Flop
General Description
The ’FCT273 has eight edge-triggered D-type flip-flops with
individual D inputs and Q outputs. The common buffered
Clock (CP) and Master Reset (MR) inputs load and reset
(clear) all flip-flops simultaneously.
The register is fully edge-triggered. The state of each D in-
put, one setup time before the LOW-to-HIGH clock transi-
tion, is transferred to the corresponding flip-flop’s Q output.
All outputs will be forced LOW independently of Clock or
Data inputs by a LOW voltage level on the MR input. The de-
vice is useful for applications where the true output only is re-
quired and the Clock and Master Reset are common to all
storage elements.
Features
n Eight edge-triggered D flip-flops
n Buffered common clock
n Buffered, asynchronous Master Reset
n See ’FCT377 for clock enable version
n See ’FCT373 for transparent latch version
n See ’FCT374 for TRI-STATE® version
n Output sink capability of 32 mA, source capability of
12 mA
n TTL input and output level compatible
n CMOS power consumption
n Standard Microcircuit Drawing (SMD) 5962-8765601
Ordering Code
Military
Package
Package Description
Number
54FCT273DMQB
J20A
20-Lead Ceramic Dual-In-Line
54FCT273FMQB
W20A
20-Lead Cerpack
54FCT273LMQB
E20A
20-Lead Ceramic Leadless Chip Carrier, Type C
Connection Diagrams
Pin
Description
Names
D
0–D7
Data Inputs
MR
Master Reset
(Active LOW)
CP
Clock Pulse Input
(Active Rising Edge)
Q
0–Q7
Data Outputs
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
Pin Assignment for DIP
and Flatpack
DS100956-1
Pin Assignment
for LCC
DS100956-2
August 1998
© 1998 National Semiconductor Corporation
DS100956
www.national.com


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