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參數(shù)資料
| 型號： | HD74HC4022 |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Counters/Dividers |
| 中文描述： | 八進(jìn)制計數(shù)器/分頻器 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 52K |
| 代理商： | HD74HC4022 |
HD74HC4022
4
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
V
CC
(V)
2.0
Min Typ Max Min
Max
Unit
Test Conditions
Maximum clock
f
max
—
—
6
—
5
MHz
frequency
4.5
—
—
31
—
27
6.0
—
—
36
—
31
Propagation delay t
PLH
time
2.0
—
—
230 —
290
ns
Clock to Q
t
PHL
4.5
—
19
46
—
58
6.0
—
—
39
—
49
t
PLH
t
PHL
2.0
—
—
230 —
290
ns
Reset to Q
4.5
—
16
46
—
58
6.0
—
—
39
—
49
t
PLH
t
PHL
2.0
—
—
230 —
290
ns
Clock to Cout
4.5
—
—
46
—
58
6.0
—
—
39
—
49
t
PLH
t
PHL
2.0
—
—
230 —
290
ns
Reset to Cout
4.5
—
13
46
—
58
6.0
—
—
39
—
49
Pulse width
t
w
2.0
80
—
—
100
—
ns
4.5
16
7
—
20
—
6.0
14
—
—
17
—
Setup time
t
su
2.0
50
—
—
65
—
ns
4.5
10
—
—
13
—
6.0
9
—
—
11
—
Hold time
t
h
2.0
75
—
—
95
—
ns
4.5
15
—
—
19
—
6.0
13
—
—
16
—
Removal time
t
rem
2.0
75
—
—
95
—
ns
4.5
15
–3
—
19
—
6.0
13
—
—
16
—
Output rise/fall
t
TLH
t
THL
2.0
—
—
75
—
95
ns
time
4.5
—
—
15
—
19
6.0
—
—
13
—
16
Input capacitance
Cin
—
—
5
10
—
10
pF
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