參數(shù)資料
型號: HD74LV174A
廠商: Hitachi,Ltd.
英文描述: Hex D-type Flip-Flops with Clear
中文描述: 六角D型觸發(fā)器與Clear正反器
文件頁數(shù): 6/15頁
文件大小: 64K
代理商: HD74LV174A
HD74LV174A
6
Switching Characteristics
V
CC
= 2.5
±
0.2 V
Ta = 25
°
C
Ta = –40 to 85
°
C
Item
Symbol
Min
Typ
Max
Min
Max
Unit
Test Conditions
FROM
(Input)
TO
(Output)
Maxi-
mum
clock
fre-
quency
fmax
55
115
50
MHz
C
L
= 15 pF
45
90
40
C
L
= 50 pF
Propa-
gation
delay
time
t
PLH
/ t
PHL
8.4
17.1
1.0
19.0
ns
C
L
= 15 pF
CLK
Q
10.8
20.6
1.0
23.0
C
L
= 50 pF
t
PHL
6.3
17.3
1.0
19.5
C
L
= 15 pF
CLR
8.2
21.9
1.0
23.5
C
L
= 50 pF
Setup
time
t
SU
8.5
9.5
ns
Data before CLK
4.0
4.0
CLR
inactive before
CLK
Hold
time
t
h
–0.5
0.0
ns
Data after CLK
Pulse
width
t
W
6.0
6.5
ns
CLR
L
7.0
7.0
CLK H or L
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