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componentes Descripción
HD74LV74 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics
Número de pieza
componentes Descripción
Lista de partido
HD74LV74
Dual D–type Flip Flops with Preset and Clear
Hitachi -> Renesas Electronics
HD74LV74 Datasheet PDF : 16 Pages
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HD74LV74A
Switching Characteristics
•
V
CC
= 2.5
±
0.2 V
Item
Maximum
clock
frequency
Symbol
t
max
Propagation t
PLH
delay time
t
PHL
Setup time
t
su
Hold time
t
h
Pulse width t
w
Ta = 25
°
C
Ta = –40 to 85
°
C
Min Typ Max Min Max
50 100 — 40
—
Unit
MHz
30 70 — 25
—
— 9.8 14.8 1.0
17.0
ns
— 11.1 16.4 1.0
19.0
— 13.0 17.4 1.0
20.0
— 14.2 20.0 1.0
23.0
8.0 — — 9.0
—
ns
7.0 — — 7.0
—
0.5 — — 0.5
—
ns
8.0 — — 9.0
—
ns
8.0 — — 9.0
—
Test Conditions
C
L
= 15 pF
FROM
(Input)
TO
(Output)
C
L
= 50 pF
C
L
= 15 pF
C
L
= 50 pF
PRE
/
CLR
Q or
Q
CLK
PRE
/
CLR
Q or
Q
CLK
Data
PRE
or
CLR
inactive
PRE
or
CLR
“L”
CLK “H” or “L”
7
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