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STM703 Datasheet(PDF) 1 Page - STMicroelectronics

Part No. STM703
Description  5V Supervisor with Battery Switchover
Download  37 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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STM703 Datasheet(HTML) 1 Page - STMicroelectronics

 
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January 2006
STM690A, STM692A, STM703
STM704, STM802, STM805, STM817/8/9
5V Supervisor with Battery Switchover
* Contact local ST sales office for availability.
Rev 7.0
FEATURES SUMMARY
5V OPERATING VOLTAGE
NVRAM SUPERVISOR FOR EXTERNAL
LPSRAM
CHIP-ENABLE GATING (STM818 only) FOR
EXTERNAL LPSRAM (7ns max PROP
DELAY)
RST AND RST OUTPUTS
200ms (TYP) trec
WATCHDOG TIMER - 1.6sec (TYP)
AUTOMATIC BATTERY SWITCHOVER
LOW BATTERY SUPPLY CURRENT - 0.4µA
(TYP)
POWER-FAIL COMPARATOR (PFI/PFO)
LOW SUPPLY CURRENT - 40µA (TYP)
GUARANTEED RST (RST) ASSERTION
DOWN TO VCC = 1.0V
OPERATING TEMPERATURE:
–40°C to 85°C (Industrial Grade)
RoHS COMPLIANCE
Lead-free components are compliant with the
RoHS Directive.
Figure 1. Packages
Table 1. Device Options
Note: 1. All RST and RST outputs are push-pull.
8
1
SO8 (M)
TSSOP8 3x3 (DS)*
Watchdog
Input
Active-
Low
RST(1)
Active-
High
RST(1)
Manual
Reset
Input
Battery
Switch-
over
Power-fail
Comparator
Chip-
Enable
Gating
Battery
Freshness
Seal
STM690A
✔✔
STM692A
✔✔
STM703
✔✔
STM704
✔✔
STM802L/M
✔✔
STM805L
✔✔
STM817L/M
✔✔
STM818L/M
✔✔
STM819L/M
✔✔


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