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Part Number: MB3793-30A
Description: The MB3793 is an integrated circuit to monitor power voltage; it incorporates a watchdog timer.
- Table of contents:
MB3793-30A
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Suppliers
DataSheet
General Description
MB3793-30A General Description
The MB3793 is an integrated circuit to monitor power voltage; it incorporates a watchdog timer.
A reset signal is output when the power is cut or falls abruptly. When the power recovers normally after resetting, a power-on reset signal is output to microprocessor units (MPUs). An internal watchdog timer with two inputs for system operation diagnosis can provide a fall-safe function for various applicaiton systems.
There is also a mask option that can detect voltages of 4.9 V to 2.4 V in 0.1-V steps.
MB3793-30A Maximum Ratings
| Parameter |
Symbol |
Conditions |
Rating |
Units | ||
|
Min |
Max | |||||
| Power supply voltage* |
VCC |
-- |
-0.3 |
+7 |
V | |
| Input voltage* | CK1 |
VCK1 |
-- |
-0.3 |
VCC + 0.3 ( +7) |
V |
| CK2 |
VCK2 |
-- | ||||
| INH |
IINH |
-- | ||||
| Reset output voltage* |
RESET |
VOL VOH |
-- |
-0.3 |
VCC + 0.3 ( +7) |
V |
| Reset output current |
IOL IOH |
-- |
-10 |
+10 |
mA | |
| Power dissipation |
PD |
Ta +85 °C |
-- |
200 |
mW | |
| Storage temperature |
Tstg |
-- |
-55 |
+125 |
°C | |
MB3793-30A Features
• Precise detection of power voltage fall: ± 2.5%
• Detection voltage with hysteresis
• Low power dispersion: ICC = 31 mA (reference)
• Internal dual-input watchdog timer
• Watchdog-timer halt function (by inhibition pin)
• Independently-set wacthdog and reset times
• Detection voltage with hysteresis
• Low power dispersion: ICC = 31 mA (reference)
• Internal dual-input watchdog timer
• Watchdog-timer halt function (by inhibition pin)
• Independently-set wacthdog and reset times
MB3793-30A Connection Diagram
MB3793-30APF
PDF/DataSheet Download
- Datasheet: MB3793-30APF
- File Size: 312030 KB
- Manufacturer: FUJITSU [Fujitsu Media Devices Limited]
- Click here to Download
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