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Microprocessor Supervisors

ST's microprocessor supervisors offer a mix of reset timing for Power-On Reset, Watchdog, Manual Reset Input, and PFI-PFO (Early Power-fail Warning) in 8-pin packages.
 
Microprocessor Supervisor Product Selector
Part Number (click for Parametric Data)(1) Data
sheet (PDF)
Supply (V) WD
In-
put
WD
Out-
put
Active-
Low
/RST(2)
Active-
High
RST(2)
MR PFI
/PFO
Package
STM6321L/M STM6321L/M Datasheet (PDF) 5V X ' OD PP ' ' SOT23-5
STM6321T/S/R STM6321T/S/R Datasheet (PDF) 3V
STM6322L/M STM6322L/M Datasheet (PDF) 5V ' ' OD PP X ' SOT23-5
STM6322T/S/R STM6322T/S/R Datasheet (PDF) 3V
STM6821L/M STM6821L/M Datasheet (PDF) 5V X ' ' PP X ' SOT23-5
STM6821T/S/R STM6821T/S/R Datasheet (PDF) 3V
STM6822L/M STM6822L/M Datasheet (PDF) 5V X ' OD ' X ' SOT23-5
STM6822T/S/R STM6822T/S/R Datasheet (PDF) 3V
STM6823L/M STM6823L/M Datasheet (PDF) 5V X ' PP ' X ' SOT23-5
STM6823T/S/R STM6823T/S/R Datasheet (PDF) 3V
STM6824L/M STM6824L/M Datasheet (PDF) 5V X ' PP PP ' ' SOT23-5
STM6824T/S/R STM6824T/S/R Datasheet (PDF) 3V
STM6825L/M STM6825L/M Datasheet (PDF) 5V ' ' PP PP X ' SOT23-5
STM6825T/S/R STM6825T/S/R Datasheet (PDF) 3V
STM705 STM705 Datasheet (PDF) 5V X X PP ' X X SO8,
TSSOP8
STM706 STM706 Datasheet (PDF) 5V
STM706T/S/R STM706T/S/R Datasheet (PDF) 3V
STM707 STM707 Datasheet (PDF) 5V ' ' PP PP X X SO8,
TSSOP8
STM708 STM708 Datasheet (PDF) 5V
STM708T/S/R STM708T/S/R Datasheet (PDF) 3V

STM813L

STM813L Datasheet (PDF) 5V X X ' PP X X SO8,
TSSOP8
STM706P STM706P Datasheet (PDF) 3V
Notes:: (1) Vrst (nom, V) for suffixes "L/M" = 4.65/4.40;
"T/S/R" = 3.08/2.93/2.63
' (2) "OD" is Open Drain output; "PP" is Push-Pull output.
'
More Information
Reset Output Structures
µP Supervisor FAQs

New STM682x Supervisor Family with Watchdog