STM795T/S/R

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3 V supervisor with battery switchover

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  • The STM690/704/795/802/804/805/806 supervisors are self-contained devices which provide microprocessor supervisory functions with the ability to non-volatize and write-protect external LPSRAM. A precision voltage reference and comparator monitors the VCCinput for an out-of-tolerance condition. When an invalid VCCcondition occurs, the reset output (RST) is forced low (or high in the case of RST). These devices also offer a watchdog timer (except for STM704/795/806) as well as a power-fail comparator (except for STM795) to provide the system with an early warning of impending power failure.

    These devices are available in a standard 8-pin SOIC package or a space-saving 8-pin TSSOP package.

    Key Features

    • RST orRSToutputs
    • NVRAM supervisor for external LPSRAM
    • Chip enable gating (STM795 only) for external LPSRAM (7 ns max prop delay)
    • Manual (push-button) reset input
    • 200 ms (typ) trec
    • Watchdog timer - 1.6 s (typ)
    • Automatic battery switchover
    • Low battery supply current - 0.4 μA (typ)
    • Power-fail comparator (PFI/PFO)
    • Low supply current - 40 μA (typ)
    • GuaranteedRST(RST) assertion down to VCC= 1.0 V
    • Operating temperature: –40 °C to 85 °C (industrial grade)
    • RoHS compliance
      • Lead-free components are compliant with the RoHS directive

Circuit Diagram

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
STM795RM6F
Active
SO-8 Industrial Ecopack1
STM795SM6F
Active
SO-8 Industrial Ecopack1
STM795TM6F
Active
SO-8 Industrial Ecopack1

STM795RM6F

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack1

STM795SM6F

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack1

STM795TM6F

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) 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
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ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) RST Threshold (V) (typ)
Budgetary Price (US$)*/Qty
More info
min
max
STM795TM6F Available at 5 distributors

Distributor availability ofSTM795TM6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2337 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW AMERICA 3 1 Order Now
MOUSER WORLDWIDE 1780 1 Order Now
Farnell Element14 EUROPE 2698 1 Order Now

Distributor reported inventory date: 2021-01-19

Distributor Name

DIGIKEY

Stock

2337

Min.Order

1

Region

WORLDWIDE Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

3

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

1780

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2698

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-19

Buy Direct
Active
EAR99 NEC Tape And Reel SO-8 - - 3.08 1.31 / 1k
MORE INFO

Unit Price (US$):

1.31

Country of Origin:

MOROCCO

STM795SM6F Available at 3 distributors

Distributor availability ofSTM795SM6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1512 1 Order Now
MOUSER WORLDWIDE 2312 1 Order Now
Farnell Element14 EUROPE 1229 1 Order Now

Distributor reported inventory date: 2021-01-19

Distributor Name

DIGIKEY

Stock

1512

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2312

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1229

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-19

Buy Direct
Active
EAR99 NEC Tape And Reel SO-8 - - 2.93 1.31 / 1k
MORE INFO

Unit Price (US$):

1.31

Country of Origin:

MOROCCO

STM795RM6F Available at 3 distributors

Distributor availability ofSTM795RM6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2950 1 Order Now
MOUSER WORLDWIDE 6440 1 Order Now
Farnell Element14 EUROPE 1460 1 Order Now

Distributor reported inventory date: 2021-01-19

Distributor Name

DIGIKEY

Stock

2950

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

6440

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1460

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-19

Buy Direct
Active
EAR99 NEC Tape And Reel SO-8 - - 2.63 1.31 / 1k
MORE INFO

Unit Price (US$):

1.31

Country of Origin:

MOROCCO

STM795TM6F

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.31 / 1k

Distributor availability ofSTM795TM6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2337 1 Order Now
FUTURE WORLDWIDE 2500 2500 Order Now
ARROW AMERICA 3 1 Order Now
MOUSER WORLDWIDE 1780 1 Order Now
Farnell Element14 EUROPE 2698 1 Order Now

Distributor reported inventory date: 2021-01-19

Distributor Name

DIGIKEY

Stock

2337

Min.Order

1

Region

WORLDWIDE Order Now

FUTURE

Stock

2500

Min.Order

2500

Region

WORLDWIDE Order Now

ARROW

Stock

3

Min.Order

1

Region

AMERICA Order Now

MOUSER

Stock

1780

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2698

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-19

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-

(max)

-

RST Threshold (V) (typ)

3.08

Budgetary Price (US$)* / Qty

1.31 / 1k

Country of Origin

MOROCCO

STM795SM6F

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.31 / 1k

Distributor availability ofSTM795SM6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 1512 1 Order Now
MOUSER WORLDWIDE 2312 1 Order Now
Farnell Element14 EUROPE 1229 1 Order Now

Distributor reported inventory date: 2021-01-19

Distributor Name

DIGIKEY

Stock

1512

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

2312

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1229

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-19

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-

(max)

-

RST Threshold (V) (typ)

2.93

Budgetary Price (US$)* / Qty

1.31 / 1k

Country of Origin

MOROCCO

STM795RM6F

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

1.31 / 1k

Distributor availability ofSTM795RM6F

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2950 1 Order Now
MOUSER WORLDWIDE 6440 1 Order Now
Farnell Element14 EUROPE 1460 1 Order Now

Distributor reported inventory date: 2021-01-19

Distributor Name

DIGIKEY

Stock

2950

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

6440

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

1460

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2021-01-19

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-

(max)

-

RST Threshold (V) (typ)

2.63

Budgetary Price (US$)* / Qty

1.31 / 1k

Country of Origin

MOROCCO

(*) 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