TC74HC697AF 查看數據表（PDF） - Toshiba
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TC74HC697AF Datasheet PDF : 13 Pages
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Timing Requirements (input: tr = tf = 6 ns)
Characteristics
Symbol
Minimum pulse width
(CCK, RCK )
Minimum pulse width
( CCLR )
Minimum set-up time
( LOAD , ENT , ENP )
Minimum set-up time
(A, B, C, D)
Minimum set-up time
( U/D )
Minimum set-up time
(CCK-RCK)
Minimum hold time
(A, B, C, D)
tW (L)
tW (H)
tW (L)
ts
ts
ts
ts
th
Minimum hold time
th
Minimum removal time
trem
Clock frequency
f
TC74HC697AP/AF
Test Condition
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
VCC (V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
Ta = 25°C
Typ. Limit
⎯
75
⎯
15
⎯
13
⎯
75
⎯
15
⎯
13
⎯ 150
⎯
30
⎯
13
⎯
50
⎯
10
⎯
9
⎯ 100
⎯
20
⎯
17
⎯ 100
⎯
20
⎯
17
⎯
5
⎯
5
⎯
5
⎯
0
⎯
0
⎯
0
⎯
5
⎯
5
⎯
5
⎯
5
⎯
25
⎯
29
Ta =
−40 to
85°C
Limit
95
19
16
95
19
16
190
38
32
65
13
11
125
25
21
125
25
21
5
5
5
0
0
0
5
5
5
4
20
24
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
AC Characteristics (CL = 15 pF, VCC = 5 V, Ta = 25°C, input: tr = tf = 6 ns)
Characteristics
Output transition time
( RCO )
Propagation delay time
(CCK- RCO )
Propagation delay time
(ENT- RCO )
Propagation delay time
( CCLR - RCO )
Maximum clock frequency
Symbol
tTLH
tTHL
tpLH
tpHL
tpLH
tpHL
tpLH
fmax
Test Condition
⎯
⎯
⎯
⎯
⎯
Min Typ. Max Unit
⎯
4
8
ns
⎯
24
41
ns
⎯
13
23
ns
⎯
23
38
ns
25
38
⎯ MHz
8
2014-03-01
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