STM1810, STM1811, STM1812, STM1813
STM1815, STM1816, STM1817, STM1818
Low Power Reset Circuit
PRELIMINARY DATA
FEATURES SUMMARY
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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
STM1810L/M
STM1811L/M
STM1812L/M
STM1813L/M
STM1815T/S/R
STM1816T/S/R
STM1817T/S/R
STM1818T/S/R
✔
✔
✔
✔
✔
✔
✔
✔
✔
✔
(1)
✔
✔
3.3V/
3.0V
Active-Low
RESET
(Push-Pull)
✔
✔
(1)
✔
✔
Active-Low
RESET
(Open Drain)
Active-High
RESET
(Push-Pull)
Active-Low RESET
(Open Drain,
Bi-directional, with MR Detect)
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.