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STM1817

ST Microelectronics
Part Number STM1817
Manufacturer ST Microelectronics
Description Low Power Reset
Published Nov 14, 2006
Detailed Description STM1810 STM1811 STM1812 STM1813 STM1815 STM1816 STM1817 STM1818 Low power reset circuit Features ■ Precision monitorin...
Datasheet PDF File STM1817 PDF File

STM1817
STM1817

Overview
STM1810 STM1811 STM1812 STM1813 STM1815 STM1816 STM1817 STM1818 Low power reset circuit Features ■ Precision monitoring of 3 V, 3.
3 V, and 5 V 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 - 100 ms (min.
) ■ Low supply current - 4 µA (typ.
) ■ Guaranteed assertion down to VCC = 1.
0 V (0 °C to 105 °C) ■ Factory-trimmed reset thresholds of 2.
55 V, 2.
88 V, 3.
06 V, 4.
37 V, and 4.
62 V (typ.
) ■ Power supply transient immunity ■ Push-button/manual reset detect (STM1813/1818) ■ Operating temperature: –40 °C to 105 °C SOT23-3 (WX) ■ ± 2.
5% reset threshold accuracy: (–40 °C to 105 °C) ■ Available in the SOT23-3 package ■ Fully compatible with DS181x and MXD181x products.
Table 1.
Device summary Order codes 5V 3.
3 V/ 3.
0 V Active-low reset (push-pull) Active-low reset (open-drain) Active-high reset (push-pull) STM1810L/M STM1811L/M STM1812L/M STM1813L/M STM1815T/S/R STM1816T/S/R STM1817T/S/R STM1818T/S/R ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔ ✔(1) ✔(1) ✔ ✔ 1.
Active-low RST with internal pull-up resistor.
Active-low reset (open-drain, bidirectional, with MR detect) ✔ ✔ September 2010 Doc ID11464 Rev 8 1/25 www.
st.
com 1 Contents Contents STM1810/1811/1812/1813/1815/1816/1817/1818 1 Description .
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5 1.
1 Functional block diagrams .
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7 1.
2 Pin descriptions .
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7 1.
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1 Active-low RST output (push-pull) .
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7 1.
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5 1.
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6 Active-low RST output (open-drain) .
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7 Active-high RST output (push-pull) .
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