STM6905
Quintuple, ultralow voltage supervisor with push-button reset
Datasheet - production data
MSOP8
(TSSOP8) (DS)
Features
• Quintuple voltage monitoring
• Accurate ±1.8 % across temperature voltage
threshold (±1 % at 25 °C)
• Primary supply (VCC) monitor. Fixed (factory -
programmed) reset thresholds: 3.078 V to
2.866 V
• Second fixed (V2IN) monitor. Fixed (factory-
programmed) reset thresholds: 2.333 V to
1.050 V
• Three additional adjustable supply monitor
inputs (externally adjustable)
• 600 mV internal reference
• RST output (open drain)
• Output guaranteed for VCC ≥ 0.8 V
• Reset delay time (TREC) on power-up: 210 ms
(typ)
• Manual reset input (MR)
• Low supply current of 12 µA (typ)
• Power supply voltage 0.8 V to 5.5 V
• RoHS compliant (green package)
• 8-pin MSOP/TSSOP
• Operating temperature: –40 °C to 85 °C
(industrial grade)
Applications
• Set-top boxes
• Multi-voltage systems
• Cable/satellite applications
• Computer systems
• Data storage equipment
Table 1. Device summary(1)
Order code
VRST1 (V)
VRST2 (V)
tREC (ms)
Package
STM6905TZEDS6F
2.333
STM6905TWEDS6F
3.078
1.683
STM6905TGEDS6F
STM6905SYEDS6F
STM6905SFEDS6F
2.955
1.110
2.188
1.050
210
MSOP8 (TSSOP8)
STM6905PWEDS6F
2.866
1.683
1. Other reset threshold voltages and tREC time-out periods are offered. Contact local ST sales office for availability.
October 2014
This is information on a product in full production.
DocID14290 Rev 4
1/19
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