74HC147 Philips, 74HC147 Datasheet

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74HC147

Manufacturer Part Number
74HC147
Description
10-to-4 line priority encoder
Manufacturer
Philips
Datasheet

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Product specification
File under Integrated Circuits, IC06
DATA SHEET
74HC/HCT147
10-to-4 line priority encoder
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
INTEGRATED CIRCUITS
December 1990

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74HC147 Summary of contents

Page 1

DATA SHEET For a complete data sheet, please also download: The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications The IC06 74HC/HCT/HCU/HCMOS Logic Package Information The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines 74HC/HCT147 10-to-4 line priority encoder Product specification File under Integrated Circuits, IC06 ...

Page 2

... Philips Semiconductors 10-to-4 line priority encoder FEATURES Encodes 10-line decimal to 4-line BCD Useful for 10-position switch encoding Used in code converters and generators Output capability: standard I category: MSI CC QUICK REFERENCE DATA GND = amb r f SYMBOL PARAMETER propagation delay A ...

Page 3

... Philips Semiconductors 10-to-4 line priority encoder PIN DESCRIPTION PIN NO. SYMBOL NAME AND FUNCTION 8 GND 11, 12 Fig.1 Pin configuration. December 1990 ground (0 V) BCD address outputs (active LOW) 3 decimal data inputs (active LOW) ...

Page 4

... Philips Semiconductors 10-to-4 line priority encoder FUNCTION TABLE Notes HIGH voltage level L = LOW voltage level X = don’t care December 1990 Fig ...

Page 5

... Philips Semiconductors 10-to-4 line priority encoder December 1990 Fig.5 Logic diagram. 5 Product specification 74HC/HCT147 ...

Page 6

... Philips Semiconductors 10-to-4 line priority encoder DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” Output capability: standard I category: MSI CC AC CHARACTERISTICS FOR 74HC GND = ns SYMBOL PARAMETER propagation delay PHL PLH ...

Page 7

... Philips Semiconductors 10-to-4 line priority encoder DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” Output capability: standard I category: MSI CC Note to HCT types The value of additional quiescent supply current ( I To determine I per input, multiply this value by the unit load coefficient shown in the table below. ...

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