74HC4538 Philips, 74HC4538 Datasheet
74HC4538
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74HC4538 Summary of contents
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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, ...
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... Philips Semiconductors Dual retriggerable precision monostable multivibrator FEATURES Separate reset inputs Triggering from leading or trailing edge Output capability: standard 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” ...
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... Philips Semiconductors Dual retriggerable precision monostable multivibrator PIN DESCRIPTION PIN NO. SYMBOL 1RC , 2RC 1Q 1Q GND Fig.1 Pin configuration. September 1993 NAME AND FUNCTION ...
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... Philips Semiconductors Dual retriggerable precision monostable multivibrator Fig.4 Functional diagram. (1) Connect C (pins 1 and 15) to GND (pin 8). TC Fig.5 Connection of the external timing components R and C t (1) Positive edge triggering. (2) Positive edge retriggering (pulse lengthening). (3) Negative edge triggering. (4) Reset (pulse shortening). (5) V and V are internal reference voltages ...
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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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... Philips Semiconductors Dual retriggerable precision monostable multivibrator 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 t propagation delay PLH ...
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... Philips Semiconductors Dual retriggerable precision monostable multivibrator SYMBOL PARAMETER t retrigger time external timing EXT resistor C external timing EXT capacitor NON-STANDARD DC CHARACTERISTICS FOR 74HC Voltages are referenced to GND (ground = 0 V) SYMBOL PARAMETER I input leakage current I nRC EXT Note 1. This measurement can only be carried out after a trigger pulse is applied. ...
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... Philips Semiconductors Dual retriggerable precision monostable multivibrator 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 Dual retriggerable precision monostable multivibrator NON-STANDARD DC CHARACTERISTICS FOR 74HCT Voltages are referenced to GND (ground = 0 V) SYMBOL PARAMETER I input leakage current I nRC EXT Note 1. This measurement can only be carried out after a trigger pulse is applied. AC WAVEFORMS ( 50 GND HCT 1.3 V ...
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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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... Philips Semiconductors 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 ...