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HCC4532B

更新时间： 2024-11-11 22:54:59

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		编码器
页数	文件大小	规格书
15页	314K
描述
8-BIT PRIORITY ENCODER

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中文翻译

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数据手册

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HCC4532B 数据手册

HCC/HCF4532B

8–BIT PRIORITY ENCODER

CONVERTS FROM 1 OF 8 TO BINARY

PROVIDES CASCADING FEATURE TO

HANDLE ANY NUMBER OF INPUTS

GROUP SELECT INDICATES ONE OR MORE

PRIORITY INPUTS

QUIESCENT CURRENT SPECIFIED TO 20V

FOR HCC DEVICE

STANDARDIZED SYMMETRICAL OUTPUT

CHARACTERISTICS

5V, 10V, AND 15V PARAMETRIC RATINGS

INPUT CURRENT OF100 nA AT 18V AND 25°C

FOR HCC DEVICE

100% TESTED FOR QUIESCENT CURRENT

MEETS ALLREQUIREMENTS OF JEDECTEN-

TATIVE STANDARD N^o13A, ”STANDARD

SPECIFICATIONS FOR DESCRIPTION OF ”B”

SERIES CMOS DEVICES”

(Plastic Package)

(Ceramic Frit Seal Package)

(Micro Package)

(Plastic Chip Carrier)

ORDER CODES :

HCC4532BF

HCF4532BEY

HCF4532BM1

HCF4532BC1

PIN CONNECTIONS

DESCRIPTION

The HCC4532B (extended temperature range) and

HCF4532B (intermediate temperature range) are

monolithic integrated circuit, available in 16-lead

dual in-line plastic or ceramic package and plastic

micro package.

The HCC/HCF4532 consists of combinational logic

that encodes the highest priority input (D7-D0) to a

3-bit binary code. The eight inputs, D7 through D0,

each have an assigned priority. D7 is the highest

priority and D0 is the lowest. The priority encoder is

inhibited when the chip-enable input E_lislow. When

E_lis high, the binary representation of the highest-

priority input appears on output lines Q2-Q0, and the

group select line GS is high to indicate that priority

inputsare present. The enable-out (E_O) ishigh when

no priority inputs are present. If anyone input ishigh,

E_Ois low and all cascaded lower-order stages are

disabled.

June 1989

1/15

12 3 4 5 6 7...15

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