Os motores de busca de Datasheet de Componentes eletrônicos
  Portuguese  ▼
ALLDATASHEETPT.COM

X  

M74HC4538TTR Folha de dados(PDF) 4 Page - STMicroelectronics

Nome de Peças M74HC4538TTR
Descrição Electrónicos  Dual retriggerable monostable multivibrator
Download  18 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M74HC4538TTR Folha de dados(HTML) 4 Page - STMicroelectronics

  M74HC4538TTR Datasheet HTML 1Page - STMicroelectronics M74HC4538TTR Datasheet HTML 2Page - STMicroelectronics M74HC4538TTR Datasheet HTML 3Page - STMicroelectronics M74HC4538TTR Datasheet HTML 4Page - STMicroelectronics M74HC4538TTR Datasheet HTML 5Page - STMicroelectronics M74HC4538TTR Datasheet HTML 6Page - STMicroelectronics M74HC4538TTR Datasheet HTML 7Page - STMicroelectronics M74HC4538TTR Datasheet HTML 8Page - STMicroelectronics M74HC4538TTR Datasheet HTML 9Page - STMicroelectronics Next Button
Zoom Inzoom in Zoom Outzoom out
 4 / 18 page
background image
Pin connection and IEC logic symbols
M74HC4538
4/18
Figure 4.
Timing chart
Figure 5.
Block diagram
1.
Cx, Rx, Dx are external components.
2.
Dx is a clamping diode.
The external capacitor is charged to VCC in the standby state, i.e. no trigger. When the supply voltage is
turned off Cx is discharged mainly through an internal parasitic diode (see figures). If Cx is sufficiently large
and VCC decreases rapidly, there will be some possibility of damaging the IC with a surge current or latch-
up. If the voltage supply filter capacitor is large enough and VCC decreases slowly, the surge current is
automatically limited and damage to the IC is avoided. The maximum forward current of the parasitic diode
is approximately 20 mA. In cases where Cx is large the time taken for the supply voltage to fall to 0.4 VCC
can be calculated as follows: tf > (VCC - 0.7) x Cx/20 mA.
In cases where tf is too short an external clamping diode is required to protect the IC from the surge
current.


Nº de peça semelhante - M74HC4538TTR

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
STMicroelectronics
M74HC4538 STMICROELECTRONICS-M74HC4538 Datasheet
288Kb / 14P
   DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
M74HC4538B1R STMICROELECTRONICS-M74HC4538B1R Datasheet
288Kb / 14P
   DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
M74HC4538C1R STMICROELECTRONICS-M74HC4538C1R Datasheet
288Kb / 14P
   DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
M74HC4538M1R STMICROELECTRONICS-M74HC4538M1R Datasheet
288Kb / 14P
   DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
More results

Descrição semelhante - M74HC4538TTR

Fabricante ElectrônicoNome de PeçasFolha de dadosDescrição Electrónicos
logo
STMicroelectronics
M74HC123 STMICROELECTRONICS-M74HC123 Datasheet
503Kb / 12P
   DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
logo
Toshiba Semiconductor
TC74HC423AP TOSHIBA-TC74HC423AP Datasheet
435Kb / 9P
   DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
logo
Fairchild Semiconductor
MM74HC423A FAIRCHILD-MM74HC423A Datasheet
108Kb / 10P
   Dual Retriggerable Monostable Multivibrator
logo
Toshiba Semiconductor
TC74HC4538AP TOSHIBA-TC74HC4538AP Datasheet
477Kb / 10P
   DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
logo
Fairchild Semiconductor
MM74HC123A FAIRCHILD-MM74HC123A_01 Datasheet
133Kb / 10P
   Dual Retriggerable Monostable Multivibrator
74VHC123A FAIRCHILD-74VHC123A_07 Datasheet
468Kb / 14P
   Dual Retriggerable Monostable Multivibrator
logo
Toshiba Semiconductor
TC74HC123AP TOSHIBA-TC74HC123AP_07 Datasheet
505Kb / 14P
   Dual Retriggerable Monostable Multivibrator
logo
National Semiconductor ...
MM54HC123A NSC-MM54HC123A Datasheet
198Kb / 6P
   Dual Retriggerable Monostable Multivibrator
logo
Microsemi Corporation
TSC347 MICROSEMI-TSC347 Datasheet
600Kb / 4P
   Dual Retriggerable Monostable Multivibrator
logo
ON Semiconductor
74VHC123A ONSEMI-74VHC123A Datasheet
467Kb / 16P
   Dual Retriggerable Monostable Multivibrator
May 2007 Rev. 1.2
logo
Fairchild Semiconductor
74VHC123ASJX FAIRCHILD-74VHC123ASJX Datasheet
469Kb / 14P
   Dual Retriggerable Monostable Multivibrator
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18


Folha de dados Download

Go To PDF Page


Ligação URL




Privacy Policy
ALLDATASHEETPT.COM
ALLDATASHEET é útil para você?  [ DONATE ] 

Sobre Alldatasheet   |   Publicidade   |   Contato conosco   |   Privacy Policy   |   roca de Link   |   Lista de Fabricantes
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com