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零件编号
产品描述 (功能)
HD74LV273A 查看數據表(PDF) - Hitachi -> Renesas Electronics
零件编号
产品描述 (功能)
生产厂家
HD74LV273A
Octal D-type Flip-Flops with Clear
Hitachi -> Renesas Electronics
HD74LV273A Datasheet PDF : 15 Pages
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HD74LV273A
Switching Characteristics (cont)
•
V
CC
= 5.0
±
0.5 V
Ta = 25
°
C
Ta = –40 to 85
°
C
Item
Maxi-
mum
clock
fre-
quency
Propa-
gation
delay
time
Setup
time
Symbol
fmax
t
PHL
t
PLH
/ t
PHL
t
PHL
t
PLH
/ t
PHL
t
SU
Min Typ
120 205
80 160
— 4.7
— 4.8
— 6.0
— 6.2
4.5 —
Max Min
— 100
— 70
8.5 1.0
9.0 1.0
10.5 1.0
11.0 1.0
— 4.5
Hold
t
h
time
Pulse
t
W
width
2.0 — — 2.0
1.0 — — 1.0
5.0 — — 5.0
5.0 — — 5.0
Max
—
—
10.0
10.5
12.0
12.5
—
—
—
—
—
Unit
MHz
Test Conditions
C
L
= 15 pF
C
L
= 50 pF
ns
C
L
= 15 pF
C
L
= 50 pF
ns
ns
ns
FROM
(Input)
TO
(Output)
CLR
Q
CLK
Q
CLR
Q
CLK
Q
Data
CLR
inactive
CLR
L
CLK H or L
8
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