STM6904TWEDS6F Datasheet STM6904PWEDS6F, STM6904TWEDS6F, STM6904TGEDS6F | P1-P3

December 2011 Doc ID 14289 Rev 3 1/20

STM6904

Quad, ultralow voltage supervisor

with push-button reset

Features

■ Quad voltage monitoring

■ Accurate ±1.8% across temperature voltage

threshold (±1% at 25 °C)

■ Primary supply (V

) monitor. Fixed (factory -

programmed) reset thresholds: 3.078

to 2.188 V

■ Second fixed (V2IN) monitor. Fixed (factory-

programmed) reset thresholds: 2.333

to 1.110 V

■ Two additional adjustable supply monitor

inputs (externally adjustable)

■ 0.6 V internal reference

■ RST output (open drain)

■ Output guaranteed for V

≥ 0.8 V

■ Reset delay time (t

REC

) pin selectable

■ Manual reset input (MR)

■ Low supply current of 12 µA (typ)

■ Power supply voltage 0.8 to 5.5 V

■ RoHS compliant (green package)

■ 8-pin MSOP/TSSOP

■ Operating temperature: –40 to 85 °C (industrial

grade)

Applications

■ Set-top boxes

■ Multi-voltage systems

■ Cable/satellite applications

■ Computer systems

■ Data storage equipment

MSOP8

(TSSOP8) (DS)

Table 1. Device summary

(1)

Order code V

RST1

(V) V

RST2

(V) t

REC

(ms) Package

STM6904TZEDS6F 3.078 2.333 210 MSOP8(TSSOP8)

STM6904TWEDS6F 3.078 1.683 210 MSOP8(TSSOP8)

STM6904TGEDS6F 3.078 1.110 210 MSOP8(TSSOP8)

STM6904SYEDS6F 2.955 2.188 210 MSOP8(TSSOP8)

STM6904SFEDS6F 2.955 1.050 210 MSOP8(TSSOP8)

STM6904PWEDS6F 2.866 1.683 210 MSOP8(TSSOP8)

1. Other reset threshold voltages and t

REC

timeout periods are offered. Minimum order quantities may apply. Contact local

ST sales office for availability.

www.st.com

Contents STM6904

2/20 Doc ID 14289 Rev 3

Contents

1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1 Push-button reset input (MR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.2 V

primary supply voltage monitoring input . . . . . . . . . . . . . . . . . . . . . . . 7

2.3 V2IN second fixed voltage monitoring input . . . . . . . . . . . . . . . . . . . . . . . . 7

2.4 V

SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.5 V3IN and V4IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.6 RST

active-low, open drain reset output . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.7 TR

SEL

input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.1 Setting the adjustable voltage levels for V3IN and V4IN inputs . . . . . . . . . 9

3.2 Power on reset (t

REC

) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

4 Voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

5 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

6 DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

7 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

8 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

9 Package marking information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

STM6904 List of tables

Doc ID 14289 Rev 3 3/20

List of tables

Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table 2. Signal names and functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Table 3. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 4. DC and AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Table 5. TSSOP 8-lead package mechanical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Table 6. Ordering information scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 7. Marking description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 8. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

P1-P3 P4-P6 P7-P9 P10-P12 P13-P15 P16-P18 P19-P20

STM6904TWEDS6F

Mfr. #:

Buy STM6904TWEDS6F

Manufacturer:

STMicroelectronics

Description:

Supervisory Circuits Quad Quint Ultra-Low Current Multi Volt

Lifecycle:

New from this manufacturer.

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STM6904TWEDS6F

STM6904TWEDS6F

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