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STM6905TWEDS6F

Quintuple, ultralow voltage supervisor with push-button reset

STMicroelectronics 

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

www.st.com

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