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TC74HC697AF Datasheet(PDF) 8 Page - Toshiba Semiconductor

Part # TC74HC697AF
Description  Synchronous Presettable 4-Bit Binary Up/Down Counter with Output Register
PDF  13 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC74HC697AF Datasheet(HTML) 8 Page - Toshiba Semiconductor

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TC74HC697AP/AF
2007-10-01
8
Timing Requirements (input: tr = tf = 6 ns)
Test Condition
Ta
= 25°C
Ta
=
−40
~85°C
Characteristics
Symbol
VCC (V)
Typ.
Limit
Limit
Unit
Minimum pulse width
(CCK, RCK )
tW (L)
tW (H)
⎯
2.0
4.5
6.0
⎯
⎯
⎯
75
15
13
95
19
16
ns
Minimum pulse width
( CCLR )
tW (L)
⎯
2.0
4.5
6.0
⎯
⎯
⎯
75
15
13
95
19
16
ns
Minimum set-up time
( LOAD , ENT , ENP )
ts
⎯
2.0
4.5
6.0
⎯
⎯
⎯
150
30
13
190
38
32
ns
Minimum set-up time
(A, B, C, D)
ts
⎯
2.0
4.5
6.0
⎯
⎯
⎯
50
10
9
65
13
11
ns
Minimum set-up time
(
D
U/ )
ts
⎯
2.0
4.5
6.0
⎯
⎯
⎯
100
20
17
125
25
21
ns
Minimum set-up time
(CCK-RCK)
ts
⎯
2.0
4.5
6.0
⎯
⎯
⎯
100
20
17
125
25
21
ns
Minimum hold time
(A, B, C, D)
th
⎯
2.0
4.5
6.0
⎯
⎯
⎯
5
5
5
5
5
5
ns
Minimum hold time
th
⎯
2.0
4.5
6.0
⎯
⎯
⎯
0
0
0
0
0
0
ns
Minimum removal time
trem
⎯
2.0
4.5
6.0
⎯
⎯
⎯
5
5
5
5
5
5
ns
Clock frequency
f
⎯
2.0
4.5
6.0
⎯
⎯
⎯
5
25
29
4
20
24
MHz
AC Characteristics (CL = 15 pF, VCC = 5 V, Ta = 25°C, input: tr = tf = 6 ns)
Characteristics
Symbol
Test Condition
Min
Typ.
Max
Unit
Output transition time
( RCO )
tTLH
tTHL
⎯
⎯
4
8
ns
Propagation delay time
(CCK- RCO )
tpLH
tpHL
⎯
⎯
24
41
ns
Propagation delay time
(ENT-
RCO )
tpLH
tpHL
⎯
⎯
13
23
ns
Propagation delay time
( CCLR - RCO )
tpLH
⎯
⎯
23
38
ns
Maximum clock frequency
fmax
⎯
25
38
⎯
MHz



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