參數(shù)資料
型號: HD74HC174
廠商: Hitachi,Ltd.
英文描述: Hex D-type Flip-Flops (with Clear)
中文描述: 六角D型正反器(與Clear)
文件頁數(shù): 4/9頁
文件大?。?/td> 51K
代理商: HD74HC174
HD74HC174
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
30
24
6.0
35
28
Propagation delay t
PLH
time
2.0
160 —
200
ns
Clock to Q
t
PHL
4.5
15
32
40
6.0
27
34
2.0
160 —
200
Clear to Q
4.5
17
32
40
6.0
27
34
Setup time
t
su
2.0
100 —
125
ns
Data to Clock
4.5
20
3
25
6.0
17
21
Hold time
t
h
2.0
5
5
ns
Clock to Data
4.5
5
0
5
6.0
5
5
Removal time
t
rem
2.0
25
31
ns
Clear to Clock
4.5
5
–1
6
6.0
4
5
Pulse width
t
w
2.0
80
100
ns
Clock, Clear
4.5
16
6
20
6.0
14
17
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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