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HD74LV4040A データシートの表示(PDF) - Hitachi -> Renesas Electronics
部品番号
コンポーネント説明
メーカー
HD74LV4040A
12-stage Binary Counter
Hitachi -> Renesas Electronics
HD74LV4040A Datasheet PDF : 17 Pages
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HD74LV4040A
Switching Characteristics
•
V
CC
= 2.5
±
0.2 V
Ta = 25
°
C
Item
Symbol Min
Maximum
f
max
50
clock
30
frequency
Propagation t
PLH
/t
PHL
—
delay time
—
t
PHL
—
—
Propagation
∆
t
pd
—
delay time
skew
Setup time t
SU
7.0
Typ
90
60
10.0
12.7
9.9
11.8
3.0
—
Pulse width t
w
7.0 —
7.0 —
Max
—
—
16.0
19.6
15.4
18.0
5.5
—
—
—
Ta = –40 to 85
°
C
Min
Max
40
—
25
—
Unit
MHz
1.0
18.3
ns
1.0
22.2
1.0
17.5
1.0
20.4
—
6.3
ns
7.0
—
ns
7.0
—
ns
7.0
—
Test Conditions
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
C
L
= 50 pF
FROM TO
(Input) (Output)
CLK
Q
1
CLR
Q
n
Q
n
+ 1
CLR inactive
before
CLK
↓
CLK
high or low
CLR high
8
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