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Номер в каталоге
Компоненты Описание
HD74HC85 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
Номер в каталоге
Компоненты Описание
производитель
HD74HC85
4-Bit Magnitude Comparator
Hitachi -> Renesas Electronics
HD74HC85 Datasheet PDF : 9 Pages
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HD74HC85
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
Propagation delay t
PLH
time
t
PHL
V
CC
(V)
2.0
4.5
6.0
Min Typ Max Min
— — 210 —
— 20 42 —
— — 36 —
Max Unit
265 ns
53
45
t
PLH
2.0
— — 175 — 220 ns
t
PHL
4.5
— 20 35 — 44
6.0
— — 30 — 37
t
PLH
2.0
— — 125 — 155 ns
t
PHL
4.5
— 12 25 — 31
6.0
— — 21 — 26
t
PLH
2.0
— — 155 — 195 ns
t
PHL
4.5
— 14 31 — 39
6.0
— — 26 — 33
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
Test Conditions
Data word input to output
(Except A = Bout)
Data word input to A = Bout
A = Bin to A = Bout
Cascading input to output
(Except A = Bout)
5
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