參數(shù)資料
型號: HD74LV273
廠商: Hitachi,Ltd.
英文描述: Octal D-type Flip-Flops with Clear
中文描述: 八路D型觸發(fā)器與Clear正反器
文件頁數(shù): 7/15頁
文件大?。?/td> 65K
代理商: HD74LV273
HD74LV273A
7
Switching Characteristics (cont)
V
CC
= 3.3
±
0.3 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
75
140
65
MHz
C
L
= 15 pF
50
110
45
C
L
= 50 pF
Propa-
gation
delay
time
t
PHL
6.9
13.6
1.0
16.0
ns
C
L
= 15 pF
CLR
Q
t
PLH
/ t
PHL
7.1
13.6
1.0
16.0
CLK
Q
t
PHL
8.7
17.1
1.0
19.5
C
L
= 50 pF
CLR
Q
t
PLH
/ t
PHL
9.1
17.1
1.0
19.5
CLK
Q
Setup
time
t
SU
5.5
6.5
ns
Data
2.5
2.5
CLR
inactive
Hold
time
t
h
1.0
1.0
ns
Pulse
width
t
W
5.0
6.0
ns
CLR
L
5.5
6.5
CLK H or L
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