What is HCF40147B?


This is 10 TO 4 LINE BCD PRIORITY ENCODER.


[PDF] Complete Technical Details can be found in the HCF40147B datasheet provided at this page.

Summary in PDF File


HCC40147B HCF40147B 10 TO 4 LINE BCD PRIORITY ENCODER ENCODES 10 LINE TO 4 LINE BCD ACTIVE LOW INPUTS AND OUTPUTS STANDARDIZED SYMMETRICAL OUTPUT CHARACTERIZATION 100 TESTED FOR QUIESCENT CURRENT AT 20 V 5V 10V AND 15V PARAMETRIC RATINGS MAXIMUM INPUT CURREENT OF 1 A AT 18V OVER FULL PACKAGE TEMPERATURE o RANGE 100 nA AT 18 V AND 25 C NOISE MARGIN FULL PACKAGE TEMPERATURE RANGE 1V AT VDD 5V 2V AT VDD 10V 2 5V AT VDD 15V EY Plastic Package F Ceramic Package APPLICATIONS KEYBOARD ENCODING 10 LINE TO BCD ENCODING RANGE SELECTION M1 Micro Package C1 Chip Carrier ORDER CODES HCC40147BF HCF40147BM1 HCF40147BEY HCF40147BC1 PIN CONNECTIONS DESCRIPTION The HCC HCF40147B CMOS encoder features priority encoding of the inputs to ensure that only the highest order data line is encoded Ten data input lines 0 9 are encoded to four line 8 4 2 1 BCD The highest priority line is line 9 All four output lines are logic 1 VSS when all input lines are logic 0 All inputs and outputs are buffered and each output can drive one TTL Low Power Schottky load The HCC HCFF40147 is functionally similar to the T54 T74LS147 if pin 15 is tied low The HCC HCF40147B types are supplied in 16 lead plastic or ceramic and plas

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Manufacturers : STMicroelectronics

STM - HCF40147B Datasheet PDF

STM HCF40147B DATA

10 TO 4 LINE BCD PRIORITY ENCODER

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