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HCF4532BM1 데이터시트(PDF) 1 Page - STMicroelectronics |
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HCF4532BM1 데이터시트(HTML) 1 Page - STMicroelectronics |
1 / 13 page 1/13 May 2004 s CONVERTS FROM 1 TO 8 TO INPUTS BINARY s PROVIDES CASCADING FEATURE TO HANDLE ANY NUMBER OF INPUTS s GROUP SELECT INDICATES ONE OR MORE PRIORITY INPUTS s QUIESCENT CURRENT SPECIFIED UP TO 20V s STANDARDIZED SYMMETRICAL OUTPUT CHARACTERISTICS 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 HCF4532B is a monolithic integrated circuit fabricated in Metal Oxide Semiconductor technology available in DIP and SOP packages. HCF4532B consists of a 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 EI is low. When EI is high, the binary representation of the highest priority input appears on output lines Q2-Q0, and thegroup select lineGS is highto indicate that priority inputs are present. The enable out (EO) is high when no priority inputs are present. If any input is high, EO is low and all cascaded lower order stages are disabled. HCF4532B 8-BIT PRIORITY ENCODER PIN CONNECTION ORDER CODES PACKAGE TUBE T & R DIP HCF4532BEY SOP HCF4532BM1 HCF4532M013TR DIP SOP Rev. 2 |
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