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  Microchip Technology Semiconductor Electronic Components Datasheet  

TC1271A Datasheet

Voltage Supervisor

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TC1271A pdf
TC1270A/70AN/71A
Voltage Supervisor with Manual Reset Input
Features:
• Precision Voltage Monitor
- 2.63V, 2.93V, 3.08V, 4.38V and 4.63V Trip
Points (Typical)
• Manual Reset Input
• Reset Time-Out Delay:
- Standard: 280 ms (Typical)
- Optional: 2.19 ms, and 35 ms (Typical)
• Power Consumption 15 µA max
• No glitches on outputs during power-up
• Active Low Output Options:
- Push-Pull Output and Open-Drain Output
• Active High Output Option:
- Push-Pull Output
• Replacement for (Specification compatible with):
- TC1270, TC1271
- TCM811, TCM812
• Fully Static Design
• Low-Voltage Operation (1.0V)
• ESD Protection:
- 4 kV Human Body Model (HBM)
- 400V Machine Model (MM)
• Extended (E) Temperature Range:
-40°C to +125°C
• Package Options:
- 4-Lead SOT-143
- 5-Lead SOT-23
- Pb-free Device
Package Types
SOT-143
VSS 1
4 VDD VSS
SOT-143
1 4 VDD
RST 2
3 MR RST 2
3 MR
SOT-23-5
NC 1
VDD 2
MR 3
5 VSS
4 RST
SOT-23-5
NC 1
5 VSS
VDD 2
MR 3
4 RST
Functional Block Diagram
VDD
Voltage
Detector
Circuitry
Reset
Generator
and Delay
Timer
(2.19 ms,
35 ms,
280 ms)
RST
PP (TC1271A)
RST
PP (TC1270A)
RST
OD (TC1270AN)
18.5 k
MR Glitch Filter
Device Features
Output
Device
Type
Active
Level
Packages
Comment
TC1270A Push-Pull Low
TC1270AN Open-Drain Low
TC1271A Push-Pull High
2.19, 35,
280(1)
4.63, 4.38,
3.08, 2.93,
2.63(4)
1.0V to
5.5V
-40°C to
+125°C
SOT-143(2),
SOT-23-5
SOT-143(2),
SOT-23-5
SOT-143(2),
SOT-23-5
Replaces TC1270 and
TCM811
New Option
Replaces TC1271 and
TCM812
Note 1:
2:
3:
4:
The 280 ms Reset delay time-out is compatible with the TC1270, TC1271, TCM811 and TCM812 devices.
The SOT-143 package is compatible with the TC1270, TC1271, TCM811 and TCM812 devices.
Custom Reset trip points and Reset delays available, contact your local Microchip sales office.
The TC1270/1 and TCM811/12 1.75V trip point option is not supported.
2007-2011 Microchip Technology Inc.
DS22035D-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

TC1271A Datasheet

Voltage Supervisor

No Preview Available !

TC1271A pdf
TC1270A/70AN/71A
NOTES:
DS22035D-page 2
2007-2011 Microchip Technology Inc.


Part Number TC1271A
Description Voltage Supervisor
Maker Microchip Technology
Total Page 30 Pages
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