74HC259 Philips, 74HC259 Datasheet

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74HC259

Manufacturer Part Number
74HC259
Description
8-bit addressable latch
Manufacturer
Philips
Datasheet

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Product specification
File under Integrated Circuits, IC06
DATA SHEET
74HC/HCT259
8-bit addressable latch
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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74HC259 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/HCT259 8-bit addressable latch Product specification File under Integrated Circuits, IC06 INTEGRATED ...

Page 2

... Philips Semiconductors 8-bit addressable latch FEATURES Combines demultiplexer and 8-bit latch Serial-to-parallel capability Output from each storage bit available Random (addressable) data entry Easily expandable Common reset input Useful as a 3-to-8 active HIGH decoder Output capability: standard I category: MSI CC GENERAL DESCRIPTION ...

Page 3

... Philips Semiconductors 8-bit addressable latch ORDERING INFORMATION See “74HC/HCT/HCU/HCMOS Logic Package Information” PIN DESCRIPTION PIN NO. SYMBOL 10, 11 GND Fig.1 Pin configuration. December 1990 . NAME AND FUNCTION address inputs ...

Page 4

... Philips Semiconductors 8-bit addressable latch Fig.4 Functional diagram. MODE SELECT TABLE LE MR MODE L H addressable latch H H memory L L active HIGH 8-channel demultiplexer H L reset December 1990 4 Product specification 74HC/HCT259 ...

Page 5

... Philips Semiconductors 8-bit addressable latch FUNCTION TABLE OPERATING MODES MR LE master reset demultiplex L L (active HIGH) decoder L L (when store (do nothing addressable latch Notes 1 ...

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... Philips Semiconductors 8-bit addressable latch December 1990 Fig.5 Logic diagram. 6 Product specification 74HC/HCT259 ...

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... Philips Semiconductors 8-bit addressable latch 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 8

... Philips Semiconductors 8-bit addressable latch 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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... Philips Semiconductors 8-bit addressable latch AC CHARACTERISTICS FOR 74HCT GND = ns SYMBOL PARAMETER propagation delay PHL PLH propagation delay PHL PLH propagation delay PHL PLH propagation delay PHL ...

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... Philips Semiconductors 8-bit addressable latch AC WAVEFORMS ( 50 GND HCT 1 GND Fig.6 Waveforms showing the enable input (LE) to output (Q and the output transition times GND HCT 1 GND Fig.7 Waveforms showing the data input (D) to output (Q ( 50% ...

Page 11

... Philips Semiconductors 8-bit addressable latch ( 50 GND HCT 1 GND Fig.9 Waveforms showing the conditional reset input (MR) to output (Q The shaded areas indicate when the input is permitted to change for predictable output performance GND ...

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