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HD74HC595 データシートの表示(PDF) - Renesas Electronics

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HD74HC595 Datasheet PDF : 11 Pages
1 2 3 4 5 6 7 8 9 10
HD74HC595
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Item
Maximum clock
frequency
Propagation delay
time
Output enable
time
Output disable
time
Setup time
Pulse width
Removal time
Hold time
Output rise/fall
time
Input capacitance
Symbol VCC (V)
fmax
2.0
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tPLH
2.0
4.5
6.0
tZL
2.0
tZH
4.5
6.0
tLZ
2.0
tHZ
4.5
6.0
tsu
2.0
4.5
6.0
2.0
4.5
6.0
tw
2.0
4.5
6.0
trem
2.0
4.5
6.0
th
2.0
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
2.0
4.5
6.0
Cin
Ta = 25°C
Min Typ Max
—— 5
— — 27
— — 31
— — 115
— 12 23
— — 20
— — 150
— 17 30
— — 26
— — 175
— 20 35
— — 30
— — 150
— 13 30
— — 26
— — 150
— 15 30
— — 26
100 — —
20 1 —
17 — —
200 — —
40 8 —
34 — —
80 — —
16 8 —
14 — —
100 — —
20 — —
17 — —
5
——
5
1—
5
——
— — 75
— 5 15
— — 13
— — 60
— 4 12
— — 10
— 5 10
Ta = –40 to +85°C
Min
Max Unit
Test Conditions
4 MHz
21
24
145 ns SCK to QH
29
25
190 ns RCK to Q
38
33
220 ns SCLR to QH
44
37
190 ns
38
33
190 ns
38
33
125
ns SER to SCK
25
21
250
ns SCK to RCK
50
43
100
ns
20
17
125
ns
25
21
5
ns
5
5
95
ns QH
19
16
75
ns Q
15
13
5
pF
Rev.2.00 Mar 30, 2006 page 6 of 10

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