HD74HC669P 데이터 시트보기 (PDF) - Renesas Electronics

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HD74HC669P

Synchronous UP/Down Decade Counter Synchronous Up/Down 4-bit binary Counter

Renesas Electronics 

HD74HC668, HD74HC669

HD74HC669

Load

A

B

Data

inputs

C

D

Clock

U/D

P and T

QA

QB

QC

QD

Ripple

carry

output

13

14

15

012

2

2

1

0

15

14

13

Load

Count up

Inhibit

Count down

Absolute Maximum Ratings

Item

Symbol

Ratings

Unit

Supply voltage range

VCC

–0.5 to 7.0

V

Input / Output voltage

VIN, VOUT

–0.5 to VCC +0.5

V

Input / Output diode current

IIK, IOK

±20

mA

Output current

IO

±25

mA

VCC, GND current

ICC or IGND

±50

mA

Power dissipation

PT

500

mW

Storage temperature

Tstg

–65 to +150

°C

Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of

which may be realized at the same time.

Rev.2.00 Mar 30, 2006 page 5 of 10

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