tc74hc697af TOSHIBA Semiconductor CORPORATION, tc74hc697af Datasheet - Page 8

• Manufacturer Part Number: tc74hc697af
• Description: Synchronous Presettable 4-bit Binary Up/down Counter With Output Register
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Timing Requirements
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
(
Minimum set-up time
(CCK-RCK)
Minimum hold time
(A, B, C, D)
Minimum hold time
Minimum removal time
Clock frequency
AC Characteristics
Output transition time
( RCO )
Propagation delay time
(CCK- RCO )
Propagation delay time
(ENT- RCO )
Propagation delay time
( CCLR - RCO )
Maximum clock frequency
U/ )
D
Characteristics
Characteristics
(C
L
(input: t
= 15 pF, V
Symbol
t
t
t
W (H)
W (L)
W (L)
t
rem
t
t
t
t
t
t
f
s
s
s
s
h
h
r
Symbol
= t
t
t
t
t
t
t
t
f
TLH
THL
pLH
pHL
pLH
pHL
pLH
max
CC
f
= 6 ns)
= 5 V, Ta = 25°C, input: t
8
Test Condition
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Test Condition
⎯
⎯
⎯
⎯
⎯
r
= t
V
CC
f
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
= 6 ns)
(V)
Typ.
TC74HC697AP/AF
Min
25
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Ta = 25°C
Limit
Typ.
150
100
100
75
15
13
75
15
13
30
13
50
10
20
17
20
17
25
29
24
13
23
38
9
5
5
5
0
0
0
5
5
5
5
4
2007-10-01
~85°C
Limit
Ta =
Max
− 40
190
125
125
95
19
16
95
19
16
38
32
65
13
11
25
21
25
21
20
24
41
23
38
⎯
5
5
5
0
0
0
5
5
5
4
8
MHz
MHz
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns