HCF4510B

更新时间： 2024-11-05 22:55:03

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
12页	138K
描述
PRESETTABLE UP/DOWN COUNTERS

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中文翻译

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数据手册

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HCF4510B 数据手册

HCF4510B

HCF4516B

PRESETTABLE UP/DOWN COUNTERS

■

MEDIUM SPEED OPERATIONf_CL=8MHz

TYP.AT10V

SYNCHRONOUS INTERNAL CARRY

PROPAGATION

■

RESETAND PRESET CAPABILITY

QUIESCENTCURRENT SPECIFIED TO 15V

5V,10V,AND15VPARAMETRIC RATINGS

INPUTCURRENT OF 100nAAT 15VAND 25°C

100%TESTED FOR QUIESCENT CURRENT

DIP

SOP

ORDER CODES

PACKAGE

DIP

TUBE

T & R

HCF45XXBEY

HCF45XXBM1

MEETS ALL REQUIREMENTS OF JEDEC

TENTATIVE STANDARD No. 13A, ”STANDARD

SPECIFICATIONS FOR DESCRIPTION OF ”B”

SERIES CMOS DEVICES”

SOP

HCF45XXM013TR

and a maximum of four clock pulses in the down

mode. If the CARRY-IN input is held low, the

counter advances up or down on each

positive-going clock transition. Synchronous

cascading is accomplished by connecting all

clock inputs in parallel and connecting the

CARRY-OUT of a less significant stage to the

CARRY-IN of a more significant stage. The

HCF4510B and HCF4516B can be loaded in the

ripple mode by connecting the CARRY-OUT to

the clock of the next stage. If the UP/DOWN input

DESCRIPTION

The HCF4510B and HCF4516B are monolithic

integrated circuits available in 16-lead dual in-line

plastic and plastic micro package. The

HCF4510B Presettable BCD Up/Down Counter

and the HCF4516B Presettable Binary Up/Down

Counter consist of four synchronously clocked

D-type flip-flops (with a gating structure to provide

T-type flip-flop capability) connected as counters.

These counters can be cleared by a high level on

the RESET line, and can be preset to any binary

number present on the jam inputs by a high level

on the PRESET ENABLE line. The HCF4510B

will count out of non-BCD counter states in a

maximum of two clock pulses in the up mode,

changes during

terminal count, the

CARRY-OUT must be gated with the clock, and

the UP/DOWN input must change while the clock

is high. This method provides a clean clock signal

to the subsequentcounting stage.

PIN CONNECTION

1/12

March 2000

12 3 4 5 6 7...12

中文翻译

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