74HC/HCT4538 PHILIPS [NXP Semiconductors], 74HC/HCT4538 Datasheet

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74HC/HCT4538

Manufacturer Part Number
74HC/HCT4538
Description
Dual retriggerable precision monostable multivibrator
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
Product specification
File under Integrated Circuits, IC06
DATA SHEET
74HC/HCT4538
Dual retriggerable precision
monostable multivibrator
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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74HC/HCT4538 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/HCT4538 Dual retriggerable precision monostable multivibrator Product specification File under Integrated Circuits, IC06 ...

Page 2

... I category: MSI CC Power-on reset on-chip GENERAL DESCRIPTION The 74HC/HCT4538 are high-speed Si-gate CMOS devices and are pin compatible with “4538” of the “4000B” series. They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT4538 are dual retriggerable-resettable monostable multivibrators. Each multivibrator has an ...

Page 3

... LOW) trigger inputs (LOW-to-HIGH, edge-triggered) trigger inputs (HIGH-to-LOW, edge-triggered) pulse outputs complementary pulse outputs ground (0 V) positive supply voltage Fig.2 Logic symbol. 3 Product specification 74HC/HCT4538 Fig.3 IEC logic symbol. ...

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... H X Notes HIGH voltage level L = LOW voltage level X = don’t care = LOW-to-HIGH transition = HIGH-to-LOW transition . t Fig.6 Timing diagram. 4 Product specification 74HC/HCT4538 INPUTS OUTPUTS one HIGH level output pulse = one LOW level output pulse ...

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... Philips Semiconductors Dual retriggerable precision monostable multivibrator power - on reset V CC nRC GND nR D Fig.7 Logic diagram (V September 1993 enable V ref1 V ref2 enable and V are internal reference voltages). ref1 ref2 5 Product specification 74HC/HCT4538 nQ nQ MBA338 ...

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... Product specification 74HC/HCT4538 . TEST CONDITIONS UNIT 125 OTHER (V) min. max. 400 ns 2.0 Fig.8 80 4.5 68 6.0 400 ns 2.0 Fig.8 80 4.5 68 6.0 400 ns 2.0 Fig ...

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... amb 74HC min. typ max. min. max. min. max. 0.5 5.0 7 Product specification 74HC/HCT4538 TEST CONDITIONS UNIT 125 (V) min. max. ns 2.0 Fig.8 4 6.0 (4.5 k 2.0 5.0 pF 5.0 TEST CONDITIONS UNIT ...

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... Product specification 74HC/HCT4538 . TEST CONDITIONS UNIT OTHER 125 (V) min. max 4.5 Fig 4.5 Fig 4.5 Fig 4.5 Fig 4.5 Fig ...

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... September 1993 amb 74HCT 125 min. typ max. min. max. min. max. 0.5 5 output (nQ, nQ) propagation delays, the output transition Product specification 74HC/HCT4538 TEST CONDITIONS UNIT OTHER (V) (V) 10.0 A 5.5 2 GND note 1 ...

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... Philips Semiconductors Dual retriggerable precision monostable multivibrator APPLICATION INFORMATION (a) (a) September 1993 Fig.9 Retriggerable monostable circuitry. (a) rising-edge triggered; (b) falling-edge triggered. Fig.10 Non-retriggerable monostable circuitry. (a) rising-edge triggered; (b) falling-edge triggered. 10 Product specification 74HC/HCT4538 (b) (b) ...

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... Dual retriggerable precision monostable multivibrator Fig.11 Power-down protection circuit. Fig.12 Typical pulse width accuracy versus external capacitance; V Fig.13 Typical pulse width accuracy versus external resistance; V September 1993 74HC/HCT4538 Power-down considerations A large capacitor (C ) may cause problems when X powering-down the monostable due to the energy stored in this capacitor ...

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... Philips Semiconductors Dual retriggerable precision monostable multivibrator Fig.14 Typical pulse width accuracy versus external capacitance; R Fig.15 Typical pulse width accuracy versus power supply; C Fig.16 Typical pulse width accuracy versus power supply; C September 1993 74HC/HCT4538 = 4 EXT nF; T EXT amb = 100 nF ...

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... Philips Semiconductors Dual retriggerable precision monostable multivibrator Fig.17 Typical pulse width accuracy versus temperature; C Fig.18 Typical pulse width accuracy versus temperature; C PACKAGE OUTLINES See “74HC/HCT/HCU/HCMOS Logic Package Outlines” September 1993 = 1 nF; V EXT EXT Product specification 74HC/HCT4538 = 4 4.5 V. ...

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