STM809SWX6F STMicroelectronics, STM809SWX6F Datasheet
STM809SWX6F
Specifications of STM809SWX6F
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STM809SWX6F Summary of contents
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Features ■ Precision monitoring 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 - ...
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Contents Contents 1 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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STM809/810/811/812 List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of figures List of figures Figure 1. Logic diagram (STM809/810 ...
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STM809/810/811/812 1 Description The STM809/810/811/812 microprocessor reset circuits are low-power supervisory devices used to monitor power supplies. They perform a single function: asserting a reset signal whenever the has risen above the preset threshold for a minimum ...
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Description Figure 3. SOT23-3 connections Figure 4. SOT143-4 connections Figure 5. Block diagram ( STM811/812 only 2. RST for STM810/812 Figure 6. Hardware hookup V CC Push-button RESET 1. STM809/811 only (RST for STM810/812) 2. STM811/812 only 6/21 ...
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STM809/810/811/812 2 Operation 2.1 Reset output The STM809/810/811/812 microprocessor reset circuit asserts a reset signal to the MCU whenever V goes below the reset threshold (V CC (MR) is taken low (see guaranteed valid down to V During power-up, once ...
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Operation 2.4 Valid RST output down to V When V falls below 1 V, the RST (STM809/811) output no longer sinks current, but CC becomes an open circuit. In most systems this is not a problem, as most MCUs do ...
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STM809/810/811/812 3 Typical operating characteristics Note: Typical values are at T and V = 3.0 V for R versions. CC Figure 7. Supply current vs. temperature, L/M/R/S/T (no load) Figure 8. Power-down reset delay vs. temperature - V 140.00 120.00 ...
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Typical operating characteristics Figure 9. Power-down reset delay vs. temperature - V 100.00 80.00 60.00 40.00 20.00 Figure 10. Power-up t 250.00 240.00 230.00 220.00 210.00 200.00 10/21 0.00 –40 – Temperature (°C) vs. temperature rec –40 –20 ...
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STM809/810/811/812 Figure 11. Normalized reset threshold vs. temperature Figure 12. Max transient duration NOT causing reset pulse vs. reset comparator overdrive 1.003 1.002 1.001 1.000 0.999 0.998 0.997 0.996 0.995 0.994 0.993 –40 – Temperature (°C) 700.00 600.00 ...
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... These are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Refer also to the STMicroelectronics SURE Program and other relevant quality documents. Table 3. ...
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STM809/810/811/812 5 DC and AC parameters This section summarizes the operating measurement conditions, and the DC and AC characteristics of the device. The parameters in the DC and AC characteristics tables that follow, are derived from tests performed under the ...
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DC and AC parameters Table 5. DC and AC characteristics Alter- Sym Description native V Operating voltage supply current input high voltage input low voltage IL RST output low voltage ...
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STM809/810/811/812 Alter- Sym Description native Push-button reset input pulse width MLMH RST output t t MLRL MRD (3) delay MR glitch immunity MR pull-up resistance t RST pulse width rec 1. Valid for ambient ...
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Package mechanical data 6 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available ...
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STM809/810/811/812 Figure 16. SOT143-4 – 4-lead small outline transistor package outline Note: Drawing is not to scale. Table 7. SOT143-4 – 4-lead small outline transistor package mechanical data Symbol ...
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Part numbering 7 Part numbering Table 8. Ordering information scheme Example: Device type STM8XX Reset threshold voltage 4. 4.75 V RST 4. 4.50 V RST ...
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STM809/810/811/812 Table 9. Marking description Part number STM809L STM809M STM809T STM809S STM809R STM810L STM810M STM810T STM810S STM810R STM811L STM811M STM811T STM811S STM811R STM812L STM812M STM812T STM812S STM812R letter assigned to indicate assembly work week (i.e ...
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Revision history 8 Revision history Table 10. Document revision history Date Revision 02-Sep-2003 03-Oct-2003 16-Oct-2003 17-Nov-2003 04-Dec-2003 09-Dec-2003 10-Feb-2004 19-Nov-2004 05-Jan-2010 20/21 1 First issue Update operating characteristics 1.1 Figure 10, Figure 11, Figure 1.2 Update characteristics (Table 1.3 Modified ...
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... STM809/810/811/812 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...