STM806 ST Microelectronics, STM806 Datasheet
STM806
Manufacturer Part Number
STM806
Description
(STM690 - STM808) 3V Supervisor with Battery Switchover
Manufacturer
ST Microelectronics
Datasheet
1.STM806.pdf
(31 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
STM806RM6F
Manufacturer:
ST
Quantity:
20 000
Part Number:
STM806SM6E
Manufacturer:
ST
Quantity:
20 000
FEATURES SUMMARY
Table 1. Device Options
Note: 1. All RST outputs push-pull (unless otherwise noted)
September 2004
* Contact local ST sales office for availability.
STM690T/S/R
STM704T/S/R
STM795T/S/R
STM802T/S/R
STM804T/S/R
STM805T/S/R
STM806T/S/R
RST OR RST OUTPUTS
NVRAM SUPERVISOR FOR EXTERNAL
LPSRAM
CHIP-ENABLE GATING (STM795 only) FOR
EXTERNAL LPSRAM (7ns max PROP
DELAY)
MANUAL (PUSH-BUTTON) RESET INPUT
200ms (TYP) t
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 V
OPERATING TEMPERATURE:
–40°C to 85°C (Industrial Grade)
2. Open drain output.
Watchdog
CC
rec
Input
= 1.0V
STM802, STM804, STM805, STM806
Low RST
Active-
(2)
(1)
3V Supervisor with Battery Switchover
Active-
High
RST
(2)
(2)
STM690, STM704, STM795
Reset Input
Figure 1. Packages
Manual
Switch-over
Battery
TSSOP8 3x3 (DS)*
SO8 (M)
8
Power-fail
1
Compar-
ator
Enable
Gating
Chip-
1/31
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