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  • The STM1001 microprocessor reset circuit is a low-power supervisory device used to monitor power supplies. It performs a single function: asserting a reset signal whenever the VCC supply voltage drops below a preset value and keeping it asserted until VCC has risen above the preset threshold for a minimum period of time (trec).

    Key Features

    • Lead-free, small SOT23 package
    • Operating temperature:–40 °C to 85 °C (industrial grade)
    • Precision monitoring of 3 V, 3.3 V, and 5 V supply voltages
    • 30 ms or 140 ms reset pulse width (min)
    • Open drain RST output
    • Guaranteed RST assertion down to VCC= 1.0 V
    • Low supply current - 6 μA (typ)

Circuit Diagram

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Part Number
Package
Packing Type
Voltage Reset 1 (V) (typ)
Voltage Reset 2 (V) (typ)
Temperature (°C) Marketing Status
Budgetary Price (US$)*
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min
max
STM1001MWX6F SOT23 Tape And Reel 4.38 - -40 85
Active
0.33
MORE INFO

Quantity:

1000

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

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STM1001SBWX6F SOT23 Tape And Reel - - -40 85
Active
0.33
MORE INFO

Quantity:

1000

ECCN (US):

EAR99

Country of Origin:

MALAYSIA

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6000

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STM1001SWX6F SOT23 Tape And Reel 2.93 - -40 85
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0.33
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Quantity:

1000

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

Check Availability

Distributor availability ofSTM1001SWX6F

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DIGIKEY WORLDWIDE 11369 1 Order Now
RS COMPONENTS EUROPE 5390 10 Order Now
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MOUSER WORLDWIDE 9731 1 Order Now
Farnell Element14 EUROPE 10647 1 Order Now

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11369

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1

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5390

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10

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2750

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33000

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3000

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9731

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10647

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STM1001TWX6F SOT23 Tape And Reel 3.08 - -40 85
Active
0.33
MORE INFO

Quantity:

1000

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

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Distributor availability ofSTM1001TWX6F

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DIGIKEY WORLDWIDE 7473 1 Order Now
RS COMPONENTS EUROPE 1875 1 Order Now
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MOUSER WORLDWIDE 8800 1 Order Now
Farnell Element14 EUROPE 5095 1 Order Now
ANGLIA Live EUROPE 46140 10 Order Now

Distributor reported inventory date: 2019-09-23

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DIGIKEY

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7473

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1

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WORLDWIDE Order Now

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Stock

1875

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1

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155998

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6001

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8800

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5095

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1

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Stock

46140

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10

Region

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Distributor reported inventory date: 2019-09-23

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STM1001RWX6F SOT23 Tape And Reel 2.63 - -40 85
Active
0.33
MORE INFO

Quantity:

1000

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

Check Availability

Distributor availability ofSTM1001RWX6F

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Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6493 1 Order Now
RS COMPONENTS EUROPE 735 5 Order Now
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MOUSER WORLDWIDE 6331 1 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

6493

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1

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WORLDWIDE Order Now

RS COMPONENTS

Stock

735

Min.Order

5

Region

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0

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STM1001LWX6F SOT23 Tape And Reel 4.63 - -40 85
Active
0.33
MORE INFO

Quantity:

1000

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

Check Availability

Distributor availability ofSTM1001LWX6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7642 1 Order Now
RS COMPONENTS EUROPE 3500 1 Order Now
FUTURE WORLDWIDE 6000 3000 Order Now
MOUSER WORLDWIDE 7635 1 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

7642

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3500

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

6000

Min.Order

3000

Region

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Stock

7635

Min.Order

1

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Distributor reported inventory date: 2019-09-23

Buy now

STM1001MWX6F

Package

SOT23

Packing Type

Tape And Reel

Unit Price (US$)

0.33*

Distributor availability ofSTM1001MWX6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5340 1 Order Now
RS COMPONENTS EUROPE 10675 1 Order Now
FUTURE WORLDWIDE 3000 3000 Order Now
MOUSER WORLDWIDE 2690 1 Order Now
Farnell Element14 EUROPE 5850 1 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

5340

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

10675

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

3000

Min.Order

3000

Region

WORLDWIDE Order Now

MOUSER

Stock

2690

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

5850

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-23

Voltage Reset 1 (V) (typ)

4.38

Voltage Reset 2 (V) (typ)

-

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.33

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM1001SBWX6F

Package

SOT23

Packing Type

Tape And Reel

Unit Price (US$)

0.33*

Distributor availability ofSTM1001SBWX6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6000 1 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

6000

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-09-23

Voltage Reset 1 (V) (typ)

-

Voltage Reset 2 (V) (typ)

-

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.33

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MALAYSIA

STM1001SWX6F

Package

SOT23

Packing Type

Tape And Reel

Unit Price (US$)

0.33*

Distributor availability ofSTM1001SWX6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 11369 1 Order Now
RS COMPONENTS EUROPE 5390 10 Order Now
FUTURE WORLDWIDE 2750 1 Order Now
ARROW AMERICA 33000 3000 Order Now
MOUSER WORLDWIDE 9731 1 Order Now
Farnell Element14 EUROPE 10647 1 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

11369

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5390

Min.Order

10

Region

EUROPE Order Now

FUTURE

Stock

2750

Min.Order

1

Region

WORLDWIDE Order Now

ARROW

Stock

33000

Min.Order

3000

Region

AMERICA Order Now

MOUSER

Stock

9731

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

10647

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-23

Voltage Reset 1 (V) (typ)

2.93

Voltage Reset 2 (V) (typ)

-

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.33

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM1001TWX6F

Package

SOT23

Packing Type

Tape And Reel

Unit Price (US$)

0.33*

Distributor availability ofSTM1001TWX6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7473 1 Order Now
RS COMPONENTS EUROPE 1875 1 Order Now
AVNET AMERICA 155998 0 Order Now
ARROW AMERICA 6001 1 Order Now
MOUSER WORLDWIDE 8800 1 Order Now
Farnell Element14 EUROPE 5095 1 Order Now
ANGLIA Live EUROPE 46140 10 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

7473

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

1875

Min.Order

1

Region

EUROPE Order Now

AVNET

Stock

155998

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

6001

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

8800

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

5095

Min.Order

1

Region

EUROPE Order Now

ANGLIA Live

Stock

46140

Min.Order

10

Region

EUROPE Order Now

Distributor reported inventory date: 2019-09-23

Voltage Reset 1 (V) (typ)

3.08

Voltage Reset 2 (V) (typ)

-

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.33

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM1001RWX6F

Package

SOT23

Packing Type

Tape And Reel

Unit Price (US$)

0.33*

Distributor availability ofSTM1001RWX6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 6493 1 Order Now
RS COMPONENTS EUROPE 735 5 Order Now
AVNET AMERICA 3000 0 Order Now
MOUSER WORLDWIDE 6331 1 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

6493

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

735

Min.Order

5

Region

EUROPE Order Now

AVNET

Stock

3000

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

6331

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-09-23

Voltage Reset 1 (V) (typ)

2.63

Voltage Reset 2 (V) (typ)

-

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.33

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM1001LWX6F

Package

SOT23

Packing Type

Tape And Reel

Unit Price (US$)

0.33*

Distributor availability ofSTM1001LWX6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 7642 1 Order Now
RS COMPONENTS EUROPE 3500 1 Order Now
FUTURE WORLDWIDE 6000 3000 Order Now
MOUSER WORLDWIDE 7635 1 Order Now

Distributor reported inventory date: 2019-09-23

Distributor Name

DIGIKEY

Stock

7642

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

3500

Min.Order

1

Region

EUROPE Order Now

FUTURE

Stock

6000

Min.Order

3000

Region

WORLDWIDE Order Now

MOUSER

Stock

7635

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2019-09-23

Voltage Reset 1 (V) (typ)

4.63

Voltage Reset 2 (V) (typ)

-

Operating Temperature (°C)

(min)

-40

(max)

85

Marketing Status

Active

Unit Price (US$)

0.33

Quantity

1000

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

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Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM1001LWX6F
Active
SOT23 Industrial Ecopack3
STM1001MWX6F
Active
SOT23 Industrial Ecopack3
STM1001RWX6F
Active
SOT23 Industrial Ecopack3
STM1001SBWX6F
Active
SOT23 Industrial Ecopack3
STM1001SWX6F
Active
SOT23 Industrial Ecopack3
STM1001TWX6F
Active
SOT23 Industrial Ecopack3

STM1001LWX6F

Package:

SOT23

Material Declaration**:

Marketing Status

Active

Package

SOT23

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM1001MWX6F

Package:

SOT23

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM1001RWX6F

Package:

SOT23

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM1001SBWX6F

Package:

SOT23

Material Declaration**:

Marketing Status

Active

Package

SOT23

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM1001SWX6F

Package:

SOT23

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM1001TWX6F

Package:

SOT23

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SOT23

Grade

Industrial

RoHS Compliance Grade

Ecopack3

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.