STM6315MDW13F STMicroelectronics, STM6315MDW13F Datasheet
STM6315MDW13F
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STM6315MDW13F Summary of contents
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Features ■ Low supply current of 1.5µA (typ) ■ ±1.8% reset threshold accuracy (25°C) ■ Guaranteed RST assertion down 1.0V CC ■ Open drain RST output can exceed V ■ Power supply transient immunity ■ Operating temperature: ...
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Contents 1 Summary description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of tables Table 1. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of figures Figure 1. Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Summary description The STM6315 Microprocessor Reset Circuit is a low power supervisory device used to monitor power supplies. It performs a single function: asserting a reset signal whenever the V supply voltage drops below a preset value and keeping ...
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Figure 3. Block diagram RST MR Figure 4. Hardware hookup V CC Manual Reset 1. Open drain RST output requires external pull-up resistor. 6/21 COMPARE DEBOUNCE V CC 10k STM6315 RST (1) RESET MR Input V SS ...
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Operation 2.1 Reset output The STM6315 Microprocessor Reset Circuit has an active-low, open drain reset output. This output structure will sink current when RST is asserted. Connect a pull-up resistor from RST to any supply voltage ...
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Valid RST output down to V When V falls below 1V, the RST output no longer sinks current, but becomes an open CC circuit. In most systems this is not a problem, as most MCUs do not operate below ...
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Typical operating characteristics Note: Typical values are at T Figure 7. Supply current vs. supply voltage, V 3.00 2.75 2.50 2.25 2.00 1.75 1.50 1.25 1.00 0.75 0.50 0.25 0.00 0.0 0.5 1.0 Figure 8. Supply current vs. temperature ...
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Figure 9. RST output voltage vs. output current, V 0.20 0.16 0.12 0.08 0. Figure 10. Normalized reset time-out period vs. temperature 1.14 1.12 1.10 1.08 1.06 1.04 1.02 1.00 0.98 –40 –20 10/21 = 4.25V CC 3 ...
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Figure 11. Normalized reset threshold vs. temperature 1.01 1.005 1 0.995 0.99 –40 –20 Figure 12. Max. transient duration not causing reset pulse vs. reset threshold Overdrive 100 Note: ...
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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 2. ...
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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 measurement ...
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Table 4. DC and AC characteristics Sym Description V Operating voltage supply current RST output voltage OL RST output open drain Leakage Current Reset Thresholds (2) Reset threshold V (see Table 6 on page ...
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Table 4. DC and AC characteristics (continued) Sym Description Manual Reset Input V MR low input threshold low input threshold IH MR input pulse width MR glitch rejection MR-to-RST delay MR pull-up resistance 1. Valid for ambient ...
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Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner ...
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Figure 14. SOT143-4 – 4-lead small outline transistor package outline 0. SOT143-4 Note: Drawing is not to scale. Table 5. SOT143-4 – 4-lead small outline transistor package mechanical data Symbol Typ ...
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Part numbering Table 6. Ordering information scheme Example: Device Type STM6315 Reset Threshold Voltage 4.63V RST 4.38V RST 2.93V RST 2.63V RST (1) ...
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Table 7. Marking description Reset Threshold Part Number (V) STM6315LB 4.63 STM6315MD 4.38 STM6315SD 2.93 STM6315RA 2.63 STM6315RB 2.63 STM6315RD 2.63 STM6315RG 2.63 1. Other V thresholds and t timings are offered. Minimum order quantities may apply. Contact local RST ...
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Revision history Table 8. Document revision history Date Revision 14-Nov-2005 08-Feb-2006 12-Apr-2006 27-Jul-2006 21-Mar-2007 20/21 1.0 First edition. Update template, characteristics, marking (Figure 10, and 11; 2.0 Table 4, 6, and 7). 3 Updated characteristics (Figure ...
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... 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. ...