TC1271A Datasheet PDF - Microchip Technology
| Part Number | TC1271A | |
| Description | Voltage Supervisor | |
| Manufacturers | Microchip Technology | |
| Logo |  |
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There is a preview and TC1271A download ( pdf file ) link at the bottom of this page. Total 30 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
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
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TC1270A/70AN/71A
1.1 AC CHARACTERISTICS
1.1.1 TIMING PARAMETER SYMBOLOGY
The timing parameter symbols have been created
following one of the following formats:
1. TppS2ppS
T
F Frequency
E Error
Lowercase letters (pp) and their meanings:
pp
io Input or Output pin
rx Receive
bitclk
RX/TX BITCLK
drt Device Reset Timer
Uppercase letters and their meanings:
S
F Fall
H High
I Invalid (High-impedance)
L Low
2. TppS
T
osc
tx
RST
P
R
V
Z
Time
Oscillator
Transmit
Reset
Period
Rise
Valid
High-impedance
Pin
FIGURE 1-1:
Test Load Conditions.
CL = 50 pF
VSS
2007-2011 Microchip Technology Inc.
DS22035D-page 5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TC1271A electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TC1271A.PDF Datasheet ] | |
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