STM6519

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Design Win

Single-pin, push button Smart Reset

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Product overview

Description

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.

  • All 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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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**:

PDF XML

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.

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-

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-

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STM6519AHARUB6F Active

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STM6519AHARUB6F

Operating Temperature (°C)

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-

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-

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STM6519APAAUB6F Active

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Part Number:

STM6519APAAUB6F

Operating Temperature (°C)

Min:

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Reset pulse width (mS) (min):

240

Reset pulse width (mS) (max):

480

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STM6519ALARUB6F Active

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ECCN (EU):

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STM6519ALARUB6F

Operating Temperature (°C)

Min:

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-

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-

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STM6519APBBUB6F Active

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STM6519APBBUB6F

Operating Temperature (°C)

Min:

Max:

Reset pulse width (mS) (min):

240

Reset pulse width (mS) (max):

480

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Distributor reported inventory date:

STM6519AUARUB6F Active

Budgetary Price (US$)*/Qty:
-
Package:
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ECCN (EU):

Part Number:

STM6519AUARUB6F

Operating Temperature (°C)

Min:

Max:

Reset pulse width (mS) (min):

-

Reset pulse width (mS) (max):

-

Distributor Name

Distributor reported inventory date:

STM6519ACARUB6F Active

Budgetary Price (US$)*/Qty:
-
Package:
Packing Type:
RoHS:
Country of Origin:
ECCN (US):
ECCN (EU):

Part Number:

STM6519ACARUB6F

Operating Temperature (°C)

Min:

Max:

Reset pulse width (mS) (min):

-

Reset pulse width (mS) (max):

-

Distributor Name

Distributor reported inventory date:

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