HCC4532B Datasheet PDF | STMicroelectronics

STMicroelectronics HCC4532B

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.

Part No.	HCC4532B
Datasheet	HCC4532B Download
Manufacturer	STMicroelectronics
Description	8-BIT PRIORITY ENCODER
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DESCRIPTION

OF ”B” SERIES CMOS DEVICES” EY (Plastic Package) F (Ceramic Frit Seal Package) M1 (Micro Package) C1 (Plastic Chip Carrier) ORDER CODES : HCC4532BF HCF4532BM1 HCF4532BEY HCF4532BC1 PIN CONNECTIONS

DESCRIPTION

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 highestpriority 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 HCC/HCF4532B FUNCTIONAL DIAGRAM

ABSOLUTE MAXIMUM RATINGS

Symbol V DD* Vi II Pt ot Parameter Supply Voltage : H CC Types H C F Types Input Voltage DC Input Current (any one input) Total Power Dissipation (per package) Dissipation per Output Transistor for T o p = Full Package-temperature Range Operating Te...