1999 Oct 01 4
Philips Semiconductors Product specification
Octal D-type flip-flop with reset; positive
edge-trigger; open drain outputs
74HCT7273
PINNING
PIN SYMBOL DESCRIPTION
1
MR asynchronous master reset (active LOW)
2, 5, 6, 9, 12, 15, 16, 19 Q
0
to Q
7
flip-flop outputs
3, 4, 7, 8, 13, 14, 17, 18 D
0
to D
7
data inputs
10 GND ground (0 V)
11 CP clock input (LOW-to-HIGH, edge triggered)
20 V
CC
DC supply voltage
Fig.1 Pin configuration.
handbook, halfpage
MR
Q
0
D
0
D
1
Q
1
Q
2
D
2
D
3
Q
3
GND
V
CC
Q
7
D
7
D
6
Q
5
D
5
Q
6
D
4
Q
4
CP
1
2
3
4
5
6
7
8
9
10
11
12
20
19
18
17
16
15
14
13
7273
MNA380
Fig.2 Logic symbol.
handbook, halfpage
MNA381
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
CP
Q
0
Q
1
Q
2
Q
3
Q
4
Q
5
Q
6
Q
7
11
1
191615129652
181714138743
MR
