參數(shù)資料
型號(hào): HD74HC93
廠商: Hitachi,Ltd.
元件分類: 通用總線功能
英文描述: 4-bit Binary Counter
中文描述: 4位二進(jìn)制計(jì)數(shù)器
文件頁數(shù): 6/11頁
文件大?。?/td> 55K
代理商: HD74HC93
HD74HC93
6
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
5
4
MHz
frequency
4.5
27
21
6.0
32
25
Propagation delay t
PLH
time
2.0
120 —
150
ns
A to Q
A
t
PHL
4.5
13
24
30
6.0
20
26
t
PLH
t
PHL
2.0
340 —
425
ns
A to Q
D
4.5
42
68
85
6.0
58
72
t
PLH
t
PHL
2.0
130 —
165
ns
B to Q
B
4.5
13
26
33
6.0
22
28
t
PLH
t
PHL
2.0
185 —
230
ns
B to Q
C
4.5
21
37
46
6.0
31
39
t
PLH
t
PHL
2.0
220 —
275
ns
B to Q
D
4.5
27
44
55
6.0
37
47
t
PLH
t
PHL
2.0
175 —
220
ns
Set-to-0 to Q
A to D
4.5
13
35
44
6.0
30
37
Output rise/fall
t
TLH
t
THL
2.0
75
95
ns
time
4.5
5
15
19
6.0
13
16
Input capacitance
Cin
5
10
10
pF
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