HCF4518BEY datasheet(1/11 Pages) STMICROELECTRONICS

部件名	HCF4518BEY

功能描述	DUAL BCD UP COUNTER

PDF	11 Pages

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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October 2002

s

MEDIUM SPEED OPERATION :

6MHz (Typ.) at 10V

s

POSITIVE -OR NEGATIVE- EDGE

TRIGGERING

s

SYNCHRONOUS INTERNAL CARRY

PROPAGATION

s

QUIESCENT CURRENT SPECIF. UP TO 20V

s

5V, 10V AND 15V PARAMETRIC RATINGS

s

INPUT LEAKAGE CURRENT

II = 100nA (MAX) AT VDD = 18V TA = 25°C

s

100% TESTED FOR QUIESCENT CURRENT

s

MEETS ALL REQUIREMENTS OF JEDEC

JESD13B "STANDARD SPECIFICATIONS

FOR DESCRIPTION OF B SERIES CMOS

DEVICES"

DESCRIPTION

HCF4518B is a monolithic integrated circuit

fabricated

in

Metal

Oxide

Semiconductor

technology available in DIP and SOP packages.

HCF4518B Dual BCD Up Counter consists of two

identical, internal 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

negative

going

transitions.

For

single-unit

operations 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 clock input of the latter is held low.

HCF4518B

DUAL BCD UP COUNTER

PIN CONNECTION

ORDER CODES

PACKAGE

TUBE

T & R

DIP

HCF4518BEY

SOP

HCF4518BM1

HCF4518M013TR

DIP

SOP

类似零件编号 - HCF4518BEY

制造商	部件名	数据表	功能描述
STMicroelectronics	HCF4518B	315Kb / 14P	DUAL UP-COUNTERS Jun-1989

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