HD74HC190 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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производитель

HD74HC190

Synchronous Up/Down Decade Counter with Single Clock Line

Hitachi -> Renesas Electronics 

HD74HC190/HD74HC191

AC Characteristics (CL = 50 pF, Input tr = tf = 6 ns) (cont)

Ta = 25°C

Ta = –40 to

+85°C

Item

Setup time

Symbol

t su

VCC (V)

2.0

4.5

Min Typ Max Min

100 — — 125

20 7 — 25

Max Unit

— ns

—

6.0

17 — — 21 —

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

9

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