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HD74HC294 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
Номер в каталоге
Компоненты Описание
производитель
HD74HC294
Programmable Frequency Divider/Digital Timer
Hitachi -> Renesas Electronics
HD74HC294 Datasheet PDF : 12 Pages
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HD74HC292/HD74HC294
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Maximum clock
frequency
Symbol
f
max
V
CC
(V) Min Typ Max Min
2.0
——5 —
4.5
— — 27 —
Max Unit Test Conditions
4
MHz
21
6.0
— — 31 — 24
Propagation delay t
PLH
time
2.0
— — 600 — 750 ns Clock to output
4.5
— 16 120 — 150
6.0
— — 100 — 125
Removal time
t
rem
2.0
100 — — 125 — ns
4.5
20 –4 — 25 —
6.0
17 — — 21 —
Pulse width
t
w
2.0
80 — — 100 — ns
4.5
16 14 — 20 —
6.0
14 – — 17 —
Output rise/fall
t
TLH
time
t
THL
2.0
— — 75 — 95 ns
4.5
— 5 15 — 19
6.0
— — 13 — 16
Input capacitance Cin
—
— 5 10 — 10 pF
8
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