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HD74HC669P データシートの表示(PDF) - Renesas Electronics

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HD74HC669P Datasheet PDF : 13 Pages
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HD74HC668, HD74HC669
Switching Characteristics (CL = 50 pF, Input tr = tf = 6 ns)
Item
Maximum clock
Frequency
Propagation delay
time
Pulse width
Setup 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
tPHL
4.5
6.0
tPLH
2.0
tPHL
4.5
6.0
tw
2.0
4.5
6.0
tsu
2.0
4.5
6.0
tsu
2.0
4.5
6.0
tsu
2.0
4.5
6.0
tsu
2.0
4.5
6.0
th
2.0
4.5
6.0
tTLH
2.0
tTHL
4.5
6.0
Cin
Ta = 25°C
Min Typ Max
—— 5
— — 27
— — 32
— — 200
— — 40
— — 34
— — 225
— — 45
— — 38
— — 150
— — 30
— — 26
— — 200
— — 40
— — 34
80 — —
16 — —
14 — —
100 — —
20 — —
17 — —
150 — —
30 — —
26 — —
150 — —
30 — —
26 — —
150 — —
30 — —
26 — —
5
——
5
——
5
——
— — 75
— 5 15
— — 13
— 5 10
Ta = –40 to +85°C
Min
Max Unit
Test Conditions
4 MHz
21
25
250 ns Clock to Ripple carry out
50
43
280 ns Clock to Q
56
48
190 ns Enable T to Ripple carry out
38
33
250 ns U/D to Ripple carry out
50
43
100
ns
20
17
125
ns Data to Clock
25
21
190
ns Enable P, T to Clock
38
33
190
ns Loadk to Clock
38
33
190
ns U/D to Clock
38
33
5
ns
5
5
95
ns
19
16
10
pF
Rev.2.00 Mar 30, 2006 page 7 of 10

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