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TC1278

Microchip Technology
Part Number TC1278
Manufacturer Microchip Technology
Description Reset Monitors
Published Aug 31, 2005
Detailed Description TC1278/TC1279 3-Pin Reset Monitors for 5V Systems Features • • • • • • Precision VCC Monitor for 5.0V System Supplies 25...
Datasheet PDF File TC1278 PDF File

TC1278
TC1278

Overview
TC1278/TC1279 3-Pin Reset Monitors for 5V Systems Features • • • • • • Precision VCC Monitor for 5.
0V System Supplies 250msec Minimum RESET Output Duration Output Valid to VCC = 1.
2V VCC Transient Immunity Small 3-Pin SOT-23B Package No External Components General Description The TC1278/TC1279 are cost-effective system supervisor circuits designed to monitor VCC in digital systems and provide a reset signal to the host processor when necessary.
No external components are required.
The reset output is driven active within 5µsec of VCC falling through the reset voltage threshold.
RESET is maintained active for a minimum of 250msec after VCC rises above the reset threshold.
The TC1278 has an active-high RESET output while the TC1279 has an active-low RESET output, and both devices have an open drain output stage.
The output is valid down to VCC = 1.
2V.
Both devices are available in a 3-Pin SOT23B package.
Applications • • • • Computers Embedded Systems Battery Powered Equipment Critical...


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