4 pin Smart Reset
UDFN6 (1.00 x 1.45 mm)
SR1
4 pin Smart Reset™
Datasheet - production data
Applications
Wearable Activity tracker ...
Description
UDFN6 (1.00 x 1.45 mm)
SR1
4 pin Smart Reset™
Datasheet - production data
Applications
Wearable Activity tracker Smartwatch Smartglasses
Features
Operating voltage range 2 V to 5.5 V
Low supply current 1 µA
Integrated test mode
Single Smart Reset™ push-button input with fixed extended reset setup delay (tSRC) from 0.5 s to 10 s in 0.5 s steps (typ.), option with internal input pull-up resistor
Push-button controlled reset pulse duration – Option 1: fully push-button controlled, no fixed or minimum pulse width guaranteed – Option 2: defined output reset pulse duration (tREC), factory-programmed
Single reset output – Active low or active high – Push-pull or open drain with optional pullup resistor
Fixed Smart Reset input logic voltage levels
Operating temperature: -40 °C to +85 °C
UDFN6 package 1.00 mm x 1.45 mm ECOPACK®2 (RoHS compliant, Halogen-
Free)
May 2014
This is information on a product in full production.
DocID026048 Rev 2
1/21
www.st.com
Contents
Contents
SR1
1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1 Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1.3 Pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Device overview . . . . ...
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