IN74HC651A
TIMING REQUIREMENTS (Input tr=tf=6.0 ns)
VCC
V
Guaranteed Limit
Symbol
tsu
Parameter
Unit
ns
25 °C to-55°C
≤85°C
≤125°C
Minimum Setup Time, Input A to
A-to-B Clock (or Input B to B-to-A
Clock) (Figure 7)
2.0
4.5
6.0
50
10
9
65
13
11
75
15
13
th
Minimum Hold Time, A-to-B Clock
to Input A (or B-to-A Clock to
Input B) (Figure 7)
2.0
4.5
6.0
25
5
5
30
6
5
40
8
7
ns
ns
ns
tw
Minimum Pulse Width, A-to-B Clock
(or B-to-A Clock)
(Figure 7)
2.0
4.5
6.0
75
15
13
95
19
16
110
22
19
tr, tf
Maximum Input Rise and Fall Times
(Figures 2 and 3)
2.0
4.5
6.0
1000
500
400
1000
500
400
1000
500
400
TIMING DIAGRAM
Rev. 00