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STM705_10 Datasheet, PDF (1/32 Pages) STMicroelectronics – 5 V supervisor
STM705, STM706
STM707, STM708, STM813L
5 V supervisor
Features
■ 5 V operating voltage
■ Precision VCC monitor
– STM705/707/813L
– 4.50 V ≤ VRST ≤ 4.75 V
– STM706/708
– 4.25 ≤ VRST ≤ 4.50 V
■ RST and RST outputs
■ 200 ms (typ) trec
■ Watchdog timer - 1.6 s (typ)
■ Manual reset input (MR)
■ Power-fail comparator (PFI/PFO)
■ Low supply current - 40 µA (typ)
■ Guaranteed RST (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
8
1
SO8 (M)
TSSOP8 3x3 (DS)(1)
1. Contact local ST sales office for availability.
Table 1. Device summary
Watchdog
input
Watchdog
output(1)
STM705
✓
✓
STM706
✓
✓
STM707
STM708
STM813L
✓
✓
1. Push-pull output
Active-low
RST(1)
✓
✓
✓
✓
Active-high Manual reset
RST(1)
input
✓
✓
✓
✓
✓
✓
✓
✓
Power-fail
comparator
✓
✓
✓
✓
✓
August 2010
Doc ID 10520 Rev 9
1/33
www.st.com
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