74HC138 Philips Semiconductors, 74HC138 Datasheet

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74HC138

Manufacturer Part Number
74HC138
Description
Manufacturer
Philips Semiconductors
Datasheet

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Product specification
File under Integrated Circuits, IC06
DATA SHEET
74HC/HCT138
3-to-8 line decoder/demultiplexer;
inverting
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
September 1993

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74HC138 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/HCT138 3-to-8 line decoder/demultiplexer; inverting Product specification File under Integrated Circuits, IC06 ...

Page 2

... Philips Semiconductors 3-to-8 line decoder/demultiplexer; inverting FEATURES Demultiplexing capability Multiple input enable for easy expansion Ideal for memory chip select decoding Active LOW mutually exclusive outputs Output capability: standard I category: MSI CC GENERAL DESCRIPTION The 74HC/HCT138 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL) ...

Page 3

... Philips Semiconductors 3-to-8 line decoder/demultiplexer; inverting PIN DESCRIPTION PIN NO 15, 14, 13, 12, 11, 10 Fig.1 Pin configuration. (a) Fig.3 IEC logic symbol. September 1993 SYMBOL NAME AND FUNCTION address inputs enable inputs (active LOW enable input (active HIGH) ...

Page 4

... Philips Semiconductors 3-to-8 line decoder/demultiplexer; inverting FUNCTION TABLE INPUTS Notes HIGH voltage level L = LOW voltage level X = don’ ...

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... Philips Semiconductors 3-to-8 line decoder/demultiplexer; inverting 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 6

... Philips Semiconductors 3-to-8 line decoder/demultiplexer; inverting 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 determine I per input, multiply this value by the unit load coefficient shown in the table below. ...

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... Philips Semiconductors 3-to-8 line decoder/demultiplexer; inverting AC WAVEFORMS ( 50 GND HCT 1 GND Fig.6 Waveforms showing the address input (A the output transition times GND HCT 1 GND Fig.7 Waveforms showing the enable input (E times ...

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