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  • The Smart ResetTM devices provide a useful feature which ensures that inadvertent short reset push-button closures do not cause system resets. This is done by implementing an extended Smart Reset input delay time (tSRC), which ensures a safe reset and eliminates the need for a specific dedicated reset button.

    This reset configuration provides versatility and allows the application to distinguish between a software generated interrupt and a hard system reset. When the input push-button is connected to the microcontroller interrupt input, and is closed for a short time, the processor can only be interrupted. If the system still does not respond properly, continuing to keep the push-buttons closed for the extended setup time tSRCcauses a hard reset of the processor through the reset output.
    The STM6519 has one Smart Reset input (SR) with preset delayed Smart Reset setup time (tSRC). The reset output (RST) is asserted after the Smart Reset input is held active for the selected tSRCdelay time. The RSToutput remains asserted either until the SRinput goes to inactive logic level (i.e. neither fixed nor minimum reset pulse width is set) or the output reset pulse duration is fixed for tREC (i.e. factory-programmed). The device fully operates over a broad VCCrange from 2.0 V to 5.5 V.

    Key Features

    • Operating voltage range 2 V to 5.5 V
    • Low supply current 1 μA
    • Integrated test mode
    • Single Smart Reset™ push-button input with fixed extended reset setup delay (tSRC) from 0.5 s to 10 s in 0.5 s steps (typ.), option with internal input pull-up resistor
    • Push-button controlled reset pulse duration
    • Option 1: fully push-button controlled, no fixed or minimum pulse width guaranteed
    • Option 2: defined output reset pulse duration (tREC), factory-programmed
    • Single reset output
    • Active-low or active-high
    • Push-pull or open drain with optional pull-up resistor
    • Fixed Smart Reset input logic voltage levels
    • Operating temperature: -40 °C to 85 °C
    • UDFN6 package 1.00 mm x 1.45 mm
    • ECOPACK®2 (RoHS compliant, Halogen-Free)

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Technical Documentation

    • Description Version Size Action
      DS8614
      Single-pin, push button Smart Reset™
      7.0
      543.29 KB
      PDF
      DS8614

      Single-pin, push button Smart Reset™

    • Description Version Size Action
      TN0941
      Reset and supervisor ICs: frequently asked questions (FAQ)
      1.0
      328.63 KB
      PDF
      TN0941

      Reset and supervisor ICs: frequently asked questions (FAQ)

Presentations & Training Material

    • Description Version Size Action
      Health and Wellness Mobility Cloud computing
      1.32 MB
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      ST offering in Wearable - Analog and Mixed Signal Portfolio 3.0
      1.47 MB
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      Health and Wellness Mobility Cloud computing

      ST offering in Wearable - Analog and Mixed Signal Portfolio

Publications and Collaterals

    • Description Version Size Action
      Resets and supervisors - portfolio overview 1.0
      1.31 MB
      PDF
      Smart Reset ICs dual push-button 1.0
      767.58 KB
      PDF

      Resets and supervisors - portfolio overview

      Smart Reset ICs dual push-button

    • Description Version Size Action
      ST’s solutions for mobile devices 3.2
      2.13 MB
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      ST’s solutions for mobile devices

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM6519ACARUB6F
Active
UFDFPN 1X1.45X0.6 6L PITCH0.5 Industrial Ecopack3
STM6519AHARUB6F
Active
UFDFPN 1X1.45X0.6 6L PITCH0.5 Industrial Ecopack3
STM6519ALARUB6F
Active
UFDFPN 1X1.45X0.6 6L PITCH0.5 Industrial Ecopack3
STM6519APAAUB6F
Active
UFDFPN 1X1.45X0.6 6L PITCH0.5 Industrial Ecopack3
STM6519APARUB6F
Active
UFDFPN 1X1.45X0.6 6L PITCH0.5 Industrial Ecopack3
STM6519APBBUB6F
Active
UFDFPN 1X1.45X0.6 6L PITCH0.5 Industrial Ecopack3
STM6519AUARUB6F
Active
UFDFPN 1X1.45X0.6 6L PITCH0.5 Industrial Ecopack3

STM6519ACARUB6F

Package:

UFDFPN 1X1.45X0.6 6L PITCH0.5

Material Declaration**:

Marketing Status

Active

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM6519AHARUB6F

Package:

UFDFPN 1X1.45X0.6 6L PITCH0.5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM6519ALARUB6F

Package:

UFDFPN 1X1.45X0.6 6L PITCH0.5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM6519APAAUB6F

Package:

UFDFPN 1X1.45X0.6 6L PITCH0.5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM6519APARUB6F

Package:

UFDFPN 1X1.45X0.6 6L PITCH0.5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM6519APBBUB6F

Package:

UFDFPN 1X1.45X0.6 6L PITCH0.5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Grade

Industrial

RoHS Compliance Grade

Ecopack3

STM6519AUARUB6F

Package:

UFDFPN 1X1.45X0.6 6L PITCH0.5

Material Declaration**:

PDF XML

Marketing Status

Active

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

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.

Sample & Buy

Part Number
Order from Distributors
Order from ST
Package
Packing Type
Reset pulse width (mS) (min)
Reset pulse width (mS) (max)
Temperature (°C) Marketing Status
Budgetary Price (US$)*/Qty
More info
min
max
STM6519APARUB6F Available at 3 distributors

Distributor availability ofSTM6519APARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5627 1 Order Now
MOUSER WORLDWIDE 6356 1 Order Now
Farnell Element14 EUROPE 6000 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

5627

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

6356

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6000

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-29

Buy now UFDFPN 1X1.45X0.6 6L PITCH0.5 Tape And Reel 1.28 360 -40
Active
85 0.3 / 1k
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

STM6519AHARUB6F Available at 3 distributors

Distributor availability ofSTM6519AHARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 283 1 Order Now
Newark Element14 AMERICA 525 0 Order Now
P&S ASIA/PACIFIC 6 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

283

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

525

Min.Order

0

Region

AMERICA Order Now

P&S

Stock

6

Min.Order

1

Region

ASIA/PACIFIC Order Now

Distributor reported inventory date: 2020-06-29

UFDFPN 1X1.45X0.6 6L PITCH0.5 Tape And Reel 1.28 360 -40
Active
85 0.3 / 1k
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

STM6519APAAUB6F Available at 4 distributors

Distributor availability ofSTM6519APAAUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 116 1 Order Now
RS COMPONENTS EUROPE 5200 1 Order Now
Newark Element14 AMERICA 765 0 Order Now
MOUSER WORLDWIDE 186 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

116

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5200

Min.Order

1

Region

EUROPE Order Now

Newark Element14

Stock

765

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

186

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Buy now UFDFPN 1X1.45X0.6 6L PITCH0.5 Tape And Reel 1.28 360 -40
Active
85 0.3 / 1k
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

STM6519ALARUB6F Available at 3 distributors

Distributor availability ofSTM6519ALARUB6F

Distributor Name
Region Stock Min. Order Third party link
P&S ASIA/PACIFIC 2150 1 Order Now
MOUSER WORLDWIDE 3126 1 Order Now
Farnell Element14 EUROPE 1091 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

P&S

Stock

2150

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

3126

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1091

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-29

Buy now UFDFPN 1X1.45X0.6 6L PITCH0.5 Tape And Reel 1.28 360 -40
Active
85 0.3 / 1k
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

STM6519APBBUB6F Available at 3 distributors

Distributor availability ofSTM6519APBBUB6F

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 3000 0 Order Now
P&S ASIA/PACIFIC 1650 1 Order Now
MOUSER WORLDWIDE 1490 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

ARROW

Stock

3000

Min.Order

0

Region

EUROPE Order Now

P&S

Stock

1650

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

1490

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Buy now UFDFPN 1X1.45X0.6 6L PITCH0.5 Tape And Reel 1.28 360 -40
Active
85 0.3 / 1k
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

STM6519AUARUB6F Available at 3 distributors

Distributor availability ofSTM6519AUARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5407 1 Order Now
Newark Element14 AMERICA 93 0 Order Now
MOUSER WORLDWIDE 6785 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

5407

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

93

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

6785

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Buy now UFDFPN 1X1.45X0.6 6L PITCH0.5 Tape And Reel 1.28 360 -40
Active
85 0.3 / 1k
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

STM6519ACARUB6F Available at 4 distributors

Distributor availability ofSTM6519ACARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2471 1 Order Now
AVNET AMERICA 770 0 Order Now
Newark Element14 AMERICA 750 0 Order Now
MOUSER WORLDWIDE 4517 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

2471

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

770

Min.Order

0

Region

AMERICA Order Now

Newark Element14

Stock

750

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

4517

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Buy now UFDFPN 1X1.45X0.6 6L PITCH0.5 Tape And Reel 1.28 360 -40
Active
85 0.3 / 1k
MORE INFO

ECCN (US):

EAR99

Country of Origin:

PHILIPPINES

STM6519APARUB6F

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.3 / 1k

Distributor availability ofSTM6519APARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5627 1 Order Now
MOUSER WORLDWIDE 6356 1 Order Now
Farnell Element14 EUROPE 6000 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

5627

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

6356

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

6000

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-29

Reset pulse width (mS) (min)

1.28

Reset pulse width (mS) (max)

360

Operating Temperature (°C)

(min)

-40

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.3 / 1k

(max)

85

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM6519AHARUB6F

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.3 / 1k

Distributor availability ofSTM6519AHARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 283 1 Order Now
Newark Element14 AMERICA 525 0 Order Now
P&S ASIA/PACIFIC 6 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

283

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

525

Min.Order

0

Region

AMERICA Order Now

P&S

Stock

6

Min.Order

1

Region

ASIA/PACIFIC Order Now

Distributor reported inventory date: 2020-06-29

Reset pulse width (mS) (min)

1.28

Reset pulse width (mS) (max)

360

Operating Temperature (°C)

(min)

-40

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.3 / 1k

(max)

85

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM6519APAAUB6F

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.3 / 1k

Distributor availability ofSTM6519APAAUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 116 1 Order Now
RS COMPONENTS EUROPE 5200 1 Order Now
Newark Element14 AMERICA 765 0 Order Now
MOUSER WORLDWIDE 186 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

116

Min.Order

1

Region

WORLDWIDE Order Now

RS COMPONENTS

Stock

5200

Min.Order

1

Region

EUROPE Order Now

Newark Element14

Stock

765

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

186

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Reset pulse width (mS) (min)

1.28

Reset pulse width (mS) (max)

360

Operating Temperature (°C)

(min)

-40

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.3 / 1k

(max)

85

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM6519ALARUB6F

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.3 / 1k

Distributor availability ofSTM6519ALARUB6F

Distributor Name
Region Stock Min. Order Third party link
P&S ASIA/PACIFIC 2150 1 Order Now
MOUSER WORLDWIDE 3126 1 Order Now
Farnell Element14 EUROPE 1091 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

P&S

Stock

2150

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

3126

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1091

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-06-29

Reset pulse width (mS) (min)

1.28

Reset pulse width (mS) (max)

360

Operating Temperature (°C)

(min)

-40

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.3 / 1k

(max)

85

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM6519APBBUB6F

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.3 / 1k

Distributor availability ofSTM6519APBBUB6F

Distributor Name
Region Stock Min. Order Third party link
ARROW EUROPE 3000 0 Order Now
P&S ASIA/PACIFIC 1650 1 Order Now
MOUSER WORLDWIDE 1490 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

ARROW

Stock

3000

Min.Order

0

Region

EUROPE Order Now

P&S

Stock

1650

Min.Order

1

Region

ASIA/PACIFIC Order Now

MOUSER

Stock

1490

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Reset pulse width (mS) (min)

1.28

Reset pulse width (mS) (max)

360

Operating Temperature (°C)

(min)

-40

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.3 / 1k

(max)

85

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM6519AUARUB6F

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.3 / 1k

Distributor availability ofSTM6519AUARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 5407 1 Order Now
Newark Element14 AMERICA 93 0 Order Now
MOUSER WORLDWIDE 6785 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

5407

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

93

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

6785

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Reset pulse width (mS) (min)

1.28

Reset pulse width (mS) (max)

360

Operating Temperature (°C)

(min)

-40

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.3 / 1k

(max)

85

ECCN (US)

EAR99

Country of Origin

PHILIPPINES

STM6519ACARUB6F

Package

UFDFPN 1X1.45X0.6 6L PITCH0.5

Packing Type

Tape And Reel

Budgetary Price (US$)*/Qty

0.3 / 1k

Distributor availability ofSTM6519ACARUB6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2471 1 Order Now
AVNET AMERICA 770 0 Order Now
Newark Element14 AMERICA 750 0 Order Now
MOUSER WORLDWIDE 4517 1 Order Now

Distributor reported inventory date: 2020-06-29

Distributor Name

DIGIKEY

Stock

2471

Min.Order

1

Region

WORLDWIDE Order Now

AVNET

Stock

770

Min.Order

0

Region

AMERICA Order Now

Newark Element14

Stock

750

Min.Order

0

Region

AMERICA Order Now

MOUSER

Stock

4517

Min.Order

1

Region

WORLDWIDE Order Now

Distributor reported inventory date: 2020-06-29

Reset pulse width (mS) (min)

1.28

Reset pulse width (mS) (max)

360

Operating Temperature (°C)

(min)

-40

Marketing Status

Active

Budgetary Price (US$)* / Qty

0.3 / 1k

(max)

85

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