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STM811

ST Microelectronics
Part Number STM811
Manufacturer ST Microelectronics
Description Reset Circuit
Published Jan 3, 2006
Detailed Description Features ■ Precision monitoring of 3 V, 3.3 V, and 5 V supply voltages ■ Two output configurations – Push-pull RST outpu...
Datasheet PDF File STM811 PDF File

STM811
STM811

Overview
Features ■ Precision monitoring of 3 V, 3.
3 V, and 5 V supply voltages ■ Two output configurations – Push-pull RST output (STM809/811) – Push-pull RST output (STM810/812) ■ 140 ms reset pulse width (min) ■ Low supply current - 6 µA (typ) ■ Guaranteed RST/RST assertion down to VCC = 1.
0 V ■ Operating temperature: –40 °C to 85 °C (industrial grade) ■ Lead-free, small SOT23 and SOT143 package STM809, STM810 STM811, STM812 Reset circuit SOT23-3 (WX) SOT143-4 (W1) Table 1.
Device summary Active-low reset STM809 ✔ STM810 STM811 STM812 ✔ Active-high reset Manual reset input ✔ ✔ ✔✔ Package SOT23-3 SOT23-3 SOT143-4 SOT143-4 January 2010 Doc ID 9873 Rev 5 1/21 www.
st.
com 1 Contents Contents STM809/810/811/812 1 Description .
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5 2 Operation .
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7 2.
1 Reset output .
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7 2.
2 Push-button reset input (STM811/812) .
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7 2.
3 Negative-going VCC transients .
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7 2.
4 Valid RST output down to VCC = 0 V .
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8 3 Typical operating characteristics .
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9 4 Maximum ratings .
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12 5 DC and AC parameters .
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13 6 Package mechanical data .
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16 7 Part numbering .
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18 8 Revision history .
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