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TCM811RERCTR

Description
Supervisory Circuits 4-Pin uP 2.63V Reset
CategoryPower/power management    The power supply circuit   
File Size187KB,15 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
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TCM811RERCTR Overview

Supervisory Circuits 4-Pin uP 2.63V Reset

TCM811RERCTR Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMicrochip
Parts packaging codeSOT-143
package instructionSOT-143, 4 PIN
Contacts4
Reach Compliance Codeunknown
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G4
JESD-609 codee3
length2.9 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals4
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSOP
Encapsulate equivalent codeTO-253
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE
Peak Reflow Temperature (Celsius)260
power supply3 V
Certification statusNot Qualified
Maximum seat height1.22 mm
Maximum supply current (Isup)0.01 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1 V
Nominal supply voltage (Vsup)3 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.92 mm
Terminal locationDUAL
Threshold voltage nominal+2.63V
Maximum time at peak reflow temperature40
width1.3 mm
M
Features
TCM811/TCM812
General Description
The TCM811 and TCM812 are cost effective system
supervisory circuits designed to monitor V
DD
in digital
systems and provide a reset signal to the host control-
ler when necessary. A manual reset input is provided
to override the reset monitor and is suitable for use as
a push-button reset. No external components are
required.
The reset output is driven active within 20 µsec (5 µsec
for F version) of V
DD
falling through the reset voltage
threshold. RESET is maintained active for a minimum
of 140 msec after V
DD
rises above the reset threshold.
The TCM812 has an active high RESET output while
the TCM811 has an active low RESET output. The out-
put of the TCM811 is valid down to V
DD
= 1V. Both
devices are available in a 4-Pin SOT-143 package,
specified with a temperature range of -40°C to +85°C.
The TCM811/TCM812 are optimized to reject fast tran-
sient glitches on the V
DD
line. A low supply current of
6 µA (V
DD
= 3.3V) makes these devices ideal for battery
powered applications.
4-Pin Microcontroller Reset Monitors
• Precision V
DD
Monitor for 2.0V, 2.8V, 3.0V, 3.3V,
5.0V Nominal Supplies
• Manual Reset Input
• 140 msec Minimum RESET Output Duration
• RESET Output Valid to V
DD
= 1.0V (TCM811)
• Low 6 µA (typ.) Supply Current
• V
DD
Transient Immunity
• Small 4-Pin SOT-143 Package
• No External Components
• Replacement for MAX811/812 and Offers a Lower
Threshold Voltage Option
• Push-Pull RESET Output
• Temperature Range:
- Commercial (C) -40°C to +85°C
Applications
Computers
Embedded Systems
Battery Powered Equipment
Critical Microcontroller Power Supply Monitoring
Package Types:
SOT-143
GND 1
TCM811
or
TCM812
4
V
DD
Typical Application Circuit
V
DD
0.1µF
4
V
DD
PIC
Microcontroller
2
RESET
INPUT
(Active Low)
GND
V
DD
TCM811
3
MR
PUSH
BUTTON
RESET
GND
TCM811
RESET
TCM812
(RESET)
2
3
MR
2002 Microchip Technology Inc.
DS21615B-page 1

TCM811RERCTR Related Products

TCM811RERCTR TCM811TERCTR
Description Supervisory Circuits 4-Pin uP 2.63V Reset Supervisory Circuits 4-Pin uP 38V Reset
Is it Rohs certified? conform to conform to
Maker Microchip Microchip
Parts packaging code SOT-143 SOT-143
package instruction SOT-143, 4 PIN SOT-143, 4 PIN
Contacts 4 4
Reach Compliance Code unknown unknown
ECCN code EAR99 EAR99
Adjustable threshold NO NO
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code R-PDSO-G4 R-PDSO-G4
JESD-609 code e3 e3
length 2.9 mm 2.9 mm
Humidity sensitivity level 1 1
Number of channels 1 1
Number of functions 1 1
Number of terminals 4 4
Maximum operating temperature 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code LSOP LSOP
Encapsulate equivalent code TO-253 TO-253
Package shape RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, LOW PROFILE SMALL OUTLINE, LOW PROFILE
Peak Reflow Temperature (Celsius) 260 260
power supply 3 V 3.3 V
Certification status Not Qualified Not Qualified
Maximum seat height 1.22 mm 1.22 mm
Maximum supply current (Isup) 0.01 mA 0.01 mA
Maximum supply voltage (Vsup) 5.5 V 5.5 V
Minimum supply voltage (Vsup) 1 V 1 V
Nominal supply voltage (Vsup) 3 V 3.3 V
surface mount YES YES
technology CMOS CMOS
Temperature level INDUSTRIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING
Terminal pitch 1.92 mm 1.92 mm
Terminal location DUAL DUAL
Threshold voltage nominal +2.63V +3.08V
Maximum time at peak reflow temperature 40 40
width 1.3 mm 1.3 mm
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