STM1810 Datasheet, PDF (1/20 Pages) STMicroelectronics – Low Power Reset Circuit

STM1810, STM1811, STM1812, STM1813
STM1815, STM1816, STM1817, STM1818
Low Power Reset Circuit
PRELIMINARY DATA
FEATURES SUMMARY
■ PRECISION MONITORING OF 3V, 3.3V,
AND 5V SUPPLY VOLTAGES
■ FOUR OUTPUT CONFIGURATIONS
– Push-Pull, Active-High (STM1812,1817)
– Push-Pull, Active-Low (STM1810,1815)
– Open Drain, Active-Low (STM1811,1816)
– Open Drain, Active-Low with Push-Button
Detect (STM1813,1818)
■ RESET PULSE WIDTH - 100ms (min)
■ LOW SUPPLY CURRENT - 4uA (typ)
■ GUARANTEED ASSERTION DOWN TO
V_CC = 1.0V (0°C to 105°C)
■ FACTORY-TRIMMED RESET
THRESHOLDS OF 2.55V, 2.88V, 3.06V,
4.37V, and 4.62V (typ)
■ POWER SUPPLY TRANSIENT IMMUNITY
■ PUSH-BUTTON/MANUAL RESET DETECT
(STM1813/1818)
■ OPERATING TEMPERATURE:
–40°C TO 105°C
■ ±2.5% RESET THRESHOLD ACCURACY
(–40°C TO 105°C)
■ AVAILABLE IN THE SOT23-3 PACKAGE
■ FULLY COMPATIBLE WITH DS181x AND
MXD181x PRODUCTS
Figure 1. Packages
SOT23-3 (WX)
Table 1. Device Options
5V
3.3V/
3.0V
Active-Low
RESET
(Push-Pull)
Active-Low
RESET
(Open Drain)
Active-High
Active-Low RESET
RESET
(Open Drain,
(Push-Pull) Bi-directional, with MR Detect)
STM1810L/M ✔
✔
STM1811L/M ✔
✔⁽¹⁾
STM1812L/M ✔
✔
STM1813L/M ✔
✔
STM1815T/S/R
✔
✔
STM1816T/S/R
✔
✔⁽¹⁾
STM1817T/S/R
✔
✔
STM1818T/S/R
✔
✔
Note: 1. Active-low RST with internal pull-up resistor
Rev 5
June 2005
1/20
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.