TCM811TERCTR datasheet, PDF - EEWORLD Datasheet

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TCM811TERCTR: DescriptionSupervisory Circuits 4-Pin uP 38V Reset; CategoryPower/power management The power supply circuit; File Size187KB，15 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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Supervisory Circuits 4-Pin uP 38V Reset

TCM811TERCTR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Microchip
Parts packaging code	SOT-143
package instruction	SOT-143, 4 PIN
Contacts	4
Reach Compliance Code	unknown
ECCN code	EAR99
Samacsys Description	Supervisory 3.08V Active Low SOT143
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code	R-PDSO-G4
JESD-609 code	e3
length	2.9 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	4
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	LSOP
Encapsulate equivalent code	TO-253
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE
Peak Reflow Temperature (Celsius)	260
power supply	3.3 V
Certification status	Not Qualified
Maximum seat height	1.22 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)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	1.92 mm
Terminal location	DUAL
Threshold voltage nominal	+3.08V
Maximum time at peak reflow temperature	40
width	1.3 mm

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Features

TCM811/TCM812

General Description

The TCM811 and TCM812 are cost effective system

supervisory circuits designed to monitor V

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

falling through the reset voltage

threshold. RESET is maintained active for a minimum

of 140 msec after V

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

= 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

line. A low supply current of

6 µA (V

= 3.3V) makes these devices ideal for battery

powered applications.

4-Pin Microcontroller Reset Monitors

• Precision V

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

= 1.0V (TCM811)

• Low 6 µA (typ.) Supply Current

• V

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

TCM812

Typical Application Circuit

0.1µF

PIC

Microcontroller

RESET

INPUT

(Active Low)

GND

TCM811

PUSH

BUTTON

RESET

GND

TCM811

RESET

TCM812

(RESET)



2002 Microchip Technology Inc.

DS21615B-page 1

TCM811TERCTR Related Products

	TCM811TERCTR	TCM811RERCTR
Description	Supervisory Circuits 4-Pin uP 38V Reset	Supervisory Circuits 4-Pin uP 2.63V 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	3.3 V	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)	3.3 V	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	+3.08V	+2.63V
Maximum time at peak reflow temperature	40	40
width	1.3 mm	1.3 mm

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