STM6904 STMicroelectronics, STM6904 Datasheet - Page 2

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STM6904

Manufacturer Part Number
STM6904
Description
Quad, ultralow voltage supervisor with push-button reset
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM6904

Primary Supply (vcc) 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
Operating Temperature
–40 to 85 °C (industrial grade)

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Contents
Contents
1
2
3
4
5
6
7
8
9
10
2/20
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1
3.2
Voltage monitoring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
DC and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Package marking information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Push-button reset input (MR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
V
V2IN second fixed voltage monitoring input . . . . . . . . . . . . . . . . . . . . . . . . 7
V
V3IN and V4IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
RST active-low, open drain reset output . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
TR
Setting the adjustable voltage levels for V3IN and V4IN inputs . . . . . . . . . 9
Power on reset (t
CC
SS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
SEL
primary supply voltage monitoring input . . . . . . . . . . . . . . . . . . . . . . . 7
input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
REC
Doc ID 14289 Rev 3
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
STM6904

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