Datasheet > HCF40160

HCF40160

更新时间： 2024-11-03 23:54:55

品牌	Logo	应用领域
其他 - ETC		计数器
页数	文件大小	规格书
14页	287K
描述
SYNCHRONOUS PROGRAMMABLE 4-BIT COUNTERS

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中文翻译

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数据手册

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HCF40160 数据手册

HCF40160B

SYNCHRONOUS PROGRAMMABLE 4-BIT DECADE

COUNTER WITH ASYNCHRONOUS CLEAR

■

INTERNAL LOOK-AHEAD FOR FAST

COUNTING

■

CARRY OUTPUT FOR CASCADING

SYNCHRONOUSLY PROGRAMMABLE

LOW-POWER TTL COMPATIBILITY

STANDARDIZED SYMMETRICAL OUTPUT

CHARACTERISTICS

DIP

SOP

■

QUIESCENT CURRENT SPECIF. UP TO 20V

5V, 10V AND 15V PARAMETRIC RATINGS

INPUT LEAKAGE CURRENT

ORDER CODES

PACKAGE

I = 100nA (MAX) AT V = 18V T = 25°C

TUBE

T & R

■

100% TESTED FOR QUIESCENT CURRENT

MEETS ALL REQUIREMENTS OF JEDEC

JESD13B "STANDARD SPECIFICATIONS

FOR DESCRIPTION OF B SERIES CMOS

DEVICES"

DIP

HCF40160BEY

HCF40160BM1

SOP

HCF40160M013TR

ENABLE inputs. Two count-enable inputs and a

carry output (COUT) are instrumental in

accomplishing this function. The carry look-ahead

circuitry provides for cascading counter for n-bit

synchronous application without additional gating.

Counting is enabled when both the PE and TE

inputs are high. The TE input is fed forward to

enable COUT. This enable output produces a

DESCRIPTION

HCF40160B is a monolithic integrated circuit

fabricated in Metal Oxide Semiconductor

technology available in DIP and SOP packages.

HCF40160B is 4-bit synchronous programmable

counters. The CLEAR function is asynchronous. A

low level at the CLEAR input sets all four outputs

low regardless of the state of the CLOCK, LOAD

and ENABLE inputs. A low level at the LOAD

inputs disables the counter and causes the output

to agree with the set-up data after the following

CLOCK pulse regardless of the condition of the

positive

output

pulse

with

duration

approximately equal to the positive portion of the

Q1 output. This positive overflow carry pulse can

be used to enable successive cascaded stages.

Logic transitions at the PE and TE inputs may

occur when the clock is either high or low.

PIN CONNECTION

September 2002

1/14

12 3 4 5 6 7...14

中文翻译

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