Datasheet > HCC4520BC1

HCC4520BC1

更新时间： 2024-11-11 22:54:59

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		计数器
页数	文件大小	规格书
14页	324K
描述
DUAL UP-COUNTERS

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中文翻译

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数据手册

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HCC4520BC1 数据手册

HCC/HCF4518B

HCC/HCF4520B

DUAL UP-COUNTERS

HCC/HCF4518B DUAL BCD UP-COUNTER

HCC/HCF4520B DUAL BINARY UP-

COUNTER

MEDIUM-SPEED OPERATION – 6MHz TYP.

CLOCK FREQUENCY AT 10V

POSITIVE - OR NEGATIVE - EDGE TRIGGER-

ING

(Plastic Package)

(Ceramic Frit Seal Package)

SYNCHRONOUS INTERNAL CARRY PROPA-

GATION

QUIESCENT CURRENT SPECIFIED TO 20V

FOR HCC DEVICE

5V, 10V, AND 15V PARAMETRIC RATINGS

INPUT CURRENT OF 100nA AT 18V AND 25°C

FOR HCC DEVICE

100% TESTED FOR QUIESCENT CURRENT

MEETS ALLREQUIREMENTS OF JEDECTEN-

TATIVESTANDARDN°13A, ”STANDARD SPE-

CIFICATIONS FOR DESCRIPTION OF ”B”

SERIES CMOS DEVICES”

(Micro Package)

(Plastic Chip Carrier)

ORDER CODES :

HCC45XXBF

HCF45XXBEY

HCF45XXBM1

HCF45XXBC1

PIN CONNECTIONS

DESCRIPTION

The HCC4518B/4520B (extended temperature

range) and HCF4518B/4520B (intermediate tem-

perature range) are monolithic integrated circuits,

available in 16-lead dual in-line plastic or ceramic

package and plastic micro package. The

HCC/HCF4518B Dual BCD Up Counter and

HCC/HCF4520B DualBinary Up Counter each con-

sist of two identical, internally synchronous 4-stage

counters. The counter stages are D-type flip-flops

having interchangeable Clock and Enable lines for

incrementing on either the positive-going or nega-

tive-going transition. For single-unit operation the

Enable input is maintained ”high” and the counter

advances on each positive-going transition of the

Clock. The counters are cleared by high levels on

their Reset lines. The counter can be cascaded in

the ripple mode by connecting Q4 to the enable

input of the subsequent counter while the clockinput

of the latter is held low.

June 1989

1/14

12 3 4 5 6 7...14

中文翻译

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