參數資料
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: 6/15頁
文件大小: 65K
代理商: HD74LV273
HD74LV273A
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
95
45
MHz
C
L
= 15 pF
45
75
40
C
L
= 50 pF
Propa-
gation
delay
time
t
PHL
10.3
19.0
1.0
21.0
ns
C
L
= 15 pF
CLR
Q
t
PLH
/ t
PHL
10.4
18.3
1.0
20.5
CLK
Q
t
PHL
13.1
22.8
1.0
25.5
C
L
= 50 pF
CLR
Q
t
PLH
/ t
PHL
12.9
22.1
1.0
25.0
CLK
Q
Setup
time
t
SU
8.5
10.5
ns
Data
4.0
4.0
CLR
inactive
Hold
time
t
h
0.5
1.0
ns
Pulse
width
t
W
6.5
7.0
ns
CLR
L
7.0
8.5
CLK H or L
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