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PDF MM1035 Data sheet ( Hoja de datos )
| Número de pieza | MM1035 | |
| Descripción | System Reset | |
| Fabricantes | Mitsumi Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MM1035 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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MITSUMI
System Reset (with built-in watchdog timer) MM1035
System Reset (with built-in watchdog timer)
Monolithic IC MM1035
Outline
This IC functions in a variety of CPU systems and other logic systems to generate a reset signal and reset the
system accurately during momentary interruption or lowering of power supply voltage.
It also has a built-in watchdog timer for operation diagnosis. This prevents the system from running wild by
generating an intermittent reset pulse during system mis-operation.
Features
1. Built-in watchdog timer
2. Low minimum operating voltage
VCC=0.8V typ.
3. Both positive and negative logic reset output can be extracted
4. Accurate detection of drop in power supply voltage
5. Detection voltage has hysteresis
6. Few external parts
1 capacitor
Package
DIP-8A (MM1035XD)
SOP-8A (MM1035XF)
Applications
Microcomputers
Absolute Maximum Ratings (Ta=25°C)
Item
Storage temperature
Operating temperature
Power supply voltage
Voltage applied to VS & CK pins
Voltage applied to RESET, RESET pin
Allowable loss
Symbol
TSTG
TOPR
VCC max.
VVS & VCK
VOH
Pd
Rating
-40~+125
-20~+70
-0.3~+10
-0.3~+10
-0.3~+10
400
Units
°C
°C
V
V
V
mW
1 page  
MITSUMI
System Reset (with built-in watchdog timer) MM1035
Pin Description
Pin No.
1
2
3
4
5
6
Pin Name
TC
RESET
CK
GND
VCC
RCT
7 VS
---------------------------------------------------------------
8 RESET
Function
TWD, TWR, TPR variable pins. (TWD, TWR and TPR times are determined by
the external capacitor.)
Reset output pin (High output)
Clock input pin (inputs clock from logic system)
Reset output pin (High output)
4.2V detection voltage
Watchdog timer stop pin
Operation modes: Operation OPEN, Stop connect to GND
Detection voltage variable pin
Variation modes : Lower pull up resistance, Raise pull down
Reset output pin (Low output)
Measuring Circuit
Measuring Circuit 1 (DC)
Measuring Circuit 2 (AC)
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MM1035.PDF ] | |
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