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PDF 74221 Data sheet ( Hoja de datos )
| Número de pieza | 74221 | |
| Descripción | Dual non-retriggerable monostable multivibrator with reset | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de 74221 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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INTEGRATED CIRCUITS
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/HCT221
Dual non-retriggerable monostable
multivibrator with reset
Product specification
Supersedes data of April 1988
File under Integrated Circuits, IC06
December 1990
1 page  
Philips Semiconductors
Dual non-retriggerable monostable
multivibrator with reset
Product specification
74HC/HCT221
Fig.5 Logic diagram.
Note
It is recommended to ground pins 6 (2CEXT) and 14 (1CEXT) externally to pin 8 (GND).
December 1990
Fig.6 Timing component connections.
5
5 Page 
Philips Semiconductors
Dual non-retriggerable monostable
multivibrator with reset
AC WAVEFORMS
Product specification
74HC/HCT221
Fig.7 Output pulse control; nRD = HIGH.
Fig.8 Output pulse control using reset input nRD;
nA = LOW.
(1) HC : VM = VM = 50%; VI = GND to VCC.
HCT : VM = VM = 1.3 V; VI = GND to 3 V.
Fig.10 Waveforms showing the triggering of One
Shot by input nA or input nB for one period
(tW) and minimum pulse widths of the trigger
inputs nA and nB.
(1) HC : VM = VM = 50%; VI = GND to VCC.
HCT : VM = VM = 1.3 V; VI = GND to 3 V.
Fig.9 Waveforms showing the removal times;
nRD to nA or nB.
December 1990
(1) HC : VM = VM = 50%; VI = GND to VCC.
HCT : VM = VM = 1.3 V; VI = GND to 3 V.
Fig.11 Waveforms showing the reset to nQ and nQ
output propagation delays.
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet 74221.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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