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HCF4532B の電気的特性と機能

HCF4532BのメーカーはSTMicroelectronicsです、この部品の機能は「8-BIT PRIORITY ENCODER」です。


製品の詳細 ( Datasheet PDF )

部品番号 HCF4532B
部品説明 8-BIT PRIORITY ENCODER
メーカ STMicroelectronics
ロゴ STMicroelectronics ロゴ 




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HCF4532B Datasheet, HCF4532B PDF,ピン配置, 機能
HCC/HCF4532B
. 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 OF 100 nA AT 18V AND 25°C
FOR HCC DEVICE
. 100% TESTED FOR QUIESCENT CURRENT
. MEETS ALL REQUIREMENTS OF JEDECTEN-
TATIVE STANDARD No 13A, ”STANDARD
SPECIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
8–BIT PRIORITY ENCODER
EY
(Plastic Package)
F
(Ceramic Frit Seal Package)
M1
(Micro Package)
C1
(Plastic Chip Carrier)
ORDER CODES :
HCC4532BF HCF4532BM1
HCF4532BEY 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 El is low. When
El is 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
inputs are present. The enable-out (EO) is high when
no priority inputs are present. If any one input is high,
EO is low and all cascaded lower-order stages are
disabled.
June 1989
1/15

1 Page





HCF4532B pdf, ピン配列
LOGIC DIAGRAM
HCC/HCF4532B
TRUTH TABLE
Input
Output
EI D7 D6 D5 D4 D3 D2 D1 D0 GS Q2 Q 1 Q0 EO
0XXXXXXXX0 0 0 00
1 00 0 00 0 00 0 0 0 01
1 1XXXXXXX1 1 1 00
1 0 1XXXXXX1 1 1 10
1 0 0 1XXXXX1 1 0 00
1 0 0 0 1XXXX1 1 0 10
1 00 0 01XXX1 01 10
1 00 0 00 1XX1 01 00
1 0 0 0 0 0 0 1X1 0 0 10
1 0 0 0 0 0 0 01 1 0 0 00
X Don’t Care
Logic 1 High
Logic 0 Low
3/15


3Pages


HCF4532B 電子部品, 半導体
HCC/HCF4532B
Minimum Output High (source) Current Charac-
teristics.
Typical Output Low (sink) Current Characteristics.
Typical Propagation Delay (Dn to Qm) vs. Supply
Voltage.
Typical Propagation Delay (EI to GS, EI to EO) vs.
Load Capacitance.
Typical Propagation Delay (Dn to Qm) vs. Load Ca-
pacitance.
Typical Transition Time vs. Load Capacitance.
6/15

6 Page



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[ HCF4532B データシート.PDF ]


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共有リンク

Link :


部品番号部品説明メーカ
HCF4532B

8-BIT PRIORITY ENCODER

STMicroelectronics
STMicroelectronics


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