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CD54HC173 Datasheet(PDF) 2 Page - Texas Instruments

Part No. CD54HC173
Description  High-Speed CMOS Logic Quad D-Type Flip-Flop, Three-State
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD54HC173 Datasheet(HTML) 2 Page - Texas Instruments

 
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2
Functional Diagram
TRUTH TABLE
INPUTS
DATA
OUTPUT
MR
CP
DATA ENABLE
E1
E2
D
Qn
H
XXXX
L
L
L
XXX
Q0
L
HX
X
Q0
L
XHX
Q0
L
LLLL
L
LL
H
H
H= High Voltage Level
L = Low Voltage Level
X= Irrelevant
↑= Transition from Low to High Level
Q0= Level Before the Indicated Steady-State Input Conditions Were
Established
NOTE:
1. When either OE1 or OE2 (or both) is (are) high, the output is dis-
abled to the high-impedance state, however, sequential opera-
tion of the flip-flops is not affected.
3
4
Q0
10
13
14
D1
D0
E2
E1
12
D2
11
D3
7
CP
OE1
2
MR
OE2
1
15
9
5
6
Q3
Q2
Q1
CD54HC173, CD74HC173, CD54HCT173, CD74HCT173


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