HD74HC163P 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74HC163P

Synchronous Decade Counter (Direct Clear)/Synchronous 4-bit Binary Counter (Direct Clear)/Synchronous Decade Counter (Synchronous Clear)/Synchronous 4-bit Binary Counter (Synchronous Clear)

Hitachi -> Renesas Electronics 

HD74HC160/HD74HC161/HD74HC162/HD74HC163

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

Ta = 25°C

Ta = –40 to

+85°C

Item

Pulse width

Symbol

tw

VCC (V)

2.0

4.5

Min Typ Max Min

80 — — 100

16 6 — 20

Max Unit

— ns

—

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

Test Conditions

Function Table

Count Enable/Disable

Control Inputs

Load

Enable P

H

H

L

H

X

L

X

H

X

L

Enable T

H

H

H

L

L

Result at Outputs

QA to QD

Count

No count

Ripple Carry Output

High when QA to QD are maximum

No count

No count

High when QA to QD are maximum

L

No count

L

5

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