U50201M, U5020B, U5020M Selling Leads, Datasheet
MFG:TFK Package Cooled:TFK D/C:O9+
U50201M, U5020B, U5020M Datasheet download
Part Number: U50201M
MFG: TFK
Package Cooled: TFK
D/C: O9+
U50201M, U5020B, U5020M
- Table of contents:
Info of U50201M
Info of U5020B
Info of U5020M
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About U5000M
PDF/DataSheet Download
Datasheet: U5000M
File Size: 142362 KB
Manufacturer:
Download : Click here to Download
About U5000M
PDF/DataSheet Download
Datasheet: U5000M
File Size: 142362 KB
Manufacturer:
Download : Click here to Download
About U5020M
PDF/DataSheet Download
Datasheet: U5020M
File Size: 111247 KB
Manufacturer: ATMEL [ATMEL Corporation]
Download : Click here to Download
U5020M General Description
The digital window watchdog timer, U5020M, is a CMOS integrated circuit. In applications where safety is critical,it is especially important to monitor the microcontroller. Normal microcontroller operation is indicated by a cyclically transmitted trigger signal, which is received by a window watchdog timer within a defined time window. A missing or a wrong trigger signal makes the watchdog timer reset the microcontroller. The IC is tailored for microcontrollers which can work in both full-power and sleep mode. With an additional voltage monitoring (power-on reset and supply voltage drop reset), the U5020M offers a complete monitoring solution for microsystems in automotive and industrial applications.
U5020M Maximum Ratings
|
Parameters |
Symbol |
Value |
Unit |
| Supply voltage |
VDD |
6.5 |
V |
| Output current |
IOUT |
±2 |
mA |
| Input voltage |
VIN |
-0.5V to VDD +0.5V |
V |
| Ambient temperature range |
Tamb |
-40 to +85 |
|
| Storage temperature range |
Tstg |
-55 to +150 |
U5020M Features
` Low current consumption: IDD < 100 A
` RCoscillator
` Internal reset during power-up and supply voltage drops (POR)
` "Short" trigger window for active mode "long" trigger window for sleep mode
` Cyclical wake-up of microcontroller in sleep mode
` Trigger input
` Six wake-up inputs
` Reset output
` Enable output
` RCoscillator
` Internal reset during power-up and supply voltage drops (POR)
` "Short" trigger window for active mode "long" trigger window for sleep mode
` Cyclical wake-up of microcontroller in sleep mode
` Trigger input
` Six wake-up inputs
` Reset output
` Enable output
U5020M Typical Application
In order to prevent the IC from an undesired reset output signal which may be caused by transcients on the supply under certain conditions, a pc board connection from Pin 2 to GND is strongly recommended.
U5020M Connection Diagram
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