TC1271ATVRC View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
TC1271ATVRC Datasheet PDF : 40 Pages
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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
Device Features
Output
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
& Delay
Timer
(2.19 ms,
35 ms,
280 ms)
PP
RST
(TC1271A)
PP
RST
(TC1270A)
OD
RST
(TC1270AN)
18.5 kΩ
MR
Glitch Filter
Device
Type
Active
Level
Packages Comment
TC1270A Push-Pull
TC1270AN Open-Drain
TC1271A Push-Pull
Low
Low
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-23-5
SOT-143 (2),
SOT-23-5
Replaces TC1270 and
TCM811
New Option
Replaces TC1271 and
TCM812
Note 1: The 280 ms Reset Delay time-out is compatible with the TC1270, TC1271, TCM811, and TCM812
devices.
2: The SOT-143 package is compatible with the TC1270, TC1271, TCM811, and TCM812 devices.
3: Custom Reset Trip Points and Reset Delays available, contact factory.
4: The TC1270/1 and TCM811/12 1.75V Trip Point Option is not supported.
© 2007 Microchip Technology Inc.
DS22035B-page 1
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