TC1272A Data Sheet

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  TC1272A - 3-Pin Reset Monitor
The TC1272A are cost-effective system supervisor circuits designed to monitor VDD 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 65 µsec (typ.) of VDD falling through the reset voltage threshold. RESET is maintained active for a minimum of 140 msec after VDD rises above the reset threshold. The TC1272A has a complimentary output. The output of the TC1272A is valid down to VDD = 1.2V. The device is available in a 3-Pin SOT-23B package.
   

Parameter Name  Value
Manual Reset  No
Watchdog Timer  No
Typical Reset Pulse Width (ms)  140
Reset Type  Active Low  
Typical Supply Current (uA)  12
Vcc Range Min (V)  1.0
Vcc Range Max (V)  5.5
Output  Push-Pull
Temp Range Min. (°C)  -40
Temp Range Max. (°C)  125
Nominal Reset Voltage (V)  4.50, 4.25, 3.89, 3.00, 2.85, 2.55, 2.25

     Features
Precision VDD Monitor
140 msec Minimum RESET, Output Duration
Output Valid to VDD = 1.2V
VDD Transient Immunity
Small 3-Pin SOT-23B Package
No External Components


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