STM6904 STMicroelectronics, STM6904 Datasheet - Page 6

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

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)

Description
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Table 2.
Pin
1
2
3
4
5
6
7
8
TR
Name
V2IN
V3IN
V4IN
RST
V
V
MR
Signal names and functions
CC
SS
SEL
Supply
Supply
Output
Type
Input
Input
Input
Input
Input
Doc ID 14289 Rev 3
Active-low manual reset input with internal pull-up resistor
Primary supply voltage input and integrated fixed threshold under-
voltage monitor
Second fixed threshold input monitor
Ground
Adjustable third reset comparator input
Adjustable fourth reset comparator input
Controls selectable t
If pin is tied high (V
If pin is tied low (V
Note: Pin must be tied to V
Active-low open drain reset output (10 kΩ internal pull-up)
SS
CC
REC
), t
), t
REC
. Two t
REC
CC
= 210 ms
Function
= 420 ms
or V
REC
SS
options available.
(do not float)
STM6904