STM1403 STMicroelectronics, STM1403 Datasheet
STM1403
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STM1403 Summary of contents
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... Reset output, power-fail comparator, battery low detection (SAL, RST, PFO, and BLD are open drain). 2. Normal mode: low when V is internally switched to V OUT 3. Contact local ST sales office for availability. 4. Pin 9 is the V pin for STM1403A the V REF November 2010 security supervisor with battery switchover CC (BATT ON ...
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... Push-button reset input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.3 Backup battery switchover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.4 Power-fail input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.5 Applications information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 3.6 Negative-going V 4 Tamper detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 4.1 Physical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2/34 STM1403A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 STM1403B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 STM1403C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vccsw, V switch output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 CC BLD, V low voltage detect output (open drain BAT Active-low RST output (open drain MR, manual reset input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 PFO, power-fail output (open drain) ...
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... STM1403 4.2 Supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 5 Typical operating characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 6 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 8 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Doc ID 13232 Rev 6 Contents 3/34 ...
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... Physical and environmental tamper detection levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 Table 8. QFN16 – 16-lead, quad, flat package, no lead body size, mechanical data . . . 30 Table 9. Ordering information scheme (see Table 10. Replacement options for terminated parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Table 11. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4/34 Figure 30 on page 32 for marking information Doc ID 13232 Rev 6 STM1403 ...
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... Figure 25. MR timing waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 26. STM1403 switchover diagram, condition A (V Figure 27. STM1403 switchover diagram, condition B (V Figure 28. QFN16 – 16-lead, quad, flat package, no lead body size, outline . . . . . . . . . . . 29 Figure 29. QFN16 – 16-lead, quad, flat package, no lead mm, recommended footprint . . . . . . 30 Figure 30 ...
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... The STM1403A also offers a V this pin is V (internally switched V TPU 1.1 V pin modes OUT The STM1403 is available in three versions, corresponding to three modes of the V (supply voltage out), when the SAL (security alarm) is asserted (active-low) upon tamper detection: 1.1.1 STM1403A V stays ON (at V OUT 1.1.2 ...
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... STM1403 Figure 1. Logic diagram 1. V only for STM1403A; V REF 2. Normal mode: low when V battery. 3. SAL, RST, PFO, and BLD are open drain. Table 2. Signal names (1) Vccsw MR PFI OUT (2) RST (2) PFO (2) SAL (2) BLD (3) V REF (3) V TPU V BAT ...
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... Description Figure 2. QFN16 connections Note: See Section 2: Pin descriptions on page 11 1. Normal mode: low when V battery. 2. SAL, RST, PFO, and BLD are open drain only for STM1403A; V REF Figure 3. Block diagram V CC (1,2) BAT54J V BAT MR PFI 1. BAT54J (from STMicroelectronics) recommended 2. Required for battery-reverse charging protection 3 ...
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... Switches, Wire Mesh) 1. Normal mode: low when V battery. 2. Capacitor (C) is typically ≥ 10 µF. 3. Open drain 4. Diode is required for battery reverse charge protection only for STM1403; V REF Figure 5. Tamper pin (TP closed typical is 10 MΩ. Resistors must be protected against conductive materials. V CCSW ...
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... V OUT (STM1403A TPU (STM1403B/C) (1) R Switch Normally Closed; Tamper Detection on Open normally low (NL) external hookup (switch open OUT (STM1403A TPU (STM1403B/C) Switch Normally Open; Tamper Detection when Closed (1) R Doc ID 13232 Rev 6 STM1403 ...
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... CC BAT 2.1 Physical tamper detect pin set normally to high (NH). They are connected externally through a closed switch or a high-impedance resistor to V the case of STM1403B/C. A tamper condition will be detected when the input pin is pulled low (see Figure 5 STM1403B/C). 2.1 Physical tamper detect pin set normally to low (NL). They are connected externally through ...
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... REF This is valid only when pulled to ground with an internal 100 kΩ resistor. This is an optional feature REF available on the STM1403A. On the STM1403B/C, this pin unused, this pin should float. BAT 12/34 remains ON when SAL is active-low): Vccsw pin will continue to ...
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... V TPU For STM1403B and STM1403C, this pin provides pull-up voltage for the physical tamper pins (TP1-4). This pin is not to be used as voltage supply source for any other purpose. Note the internally switched supply voltage from either the V TPU 2 ...
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... Operation 3 Operation 3.1 Reset input The STM1403 security supervisor asserts a reset signal to the MCU whenever V below the reset threshold (V RST is guaranteed logic low for 0 V < backup battery, RST is guaranteed valid down to V During power-up, once V the reset time-out period drops below the reset threshold, RST goes low ...
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... Figure 4 on page regulated output of the V voltage at PFI falls below V STM1403 or the microprocessor drops below the minimum operating voltage. During battery backup, the power-fail comparator is turned off and PFO goes (or remains) low (see Figure 9 on page power returns, the power-fail comparator is enabled and PFO follows PFI. If the comparator is unused, PFI should be connected to V connected that a low voltage on PFI will generate a reset output ...
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... PFO follows PFI RST 3.6 Negative-going V The STM1403 devices are relatively immune to negative-going V Figure 23 on page 22 + 0.3 V and ending below the reset threshold by the magnitude indicated (comparator overdrive). The graph indicates the maximum pulse width a negative V without causing a reset pulse. As the magnitude of the transient increases (further below the threshold), the maximum allowable pulse width decreases ...
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... TP and TP are set normally to high (NH). They are connected externally through a closed 1 3 switch or a high-impedance resistor STM1403B/C), A tamper condition will be detected when the input pin is pulled low (see Figure 5 and Figure TP and TP are set normally to low (NL). They are connected externally through a high- ...
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... A -to-V on-resistance vs. temperature OUT BAT –40 – TEMPERATURE [°C] –40 –30 –20 – TEMPERATURE [°C] Doc ID 13232 Rev BAT 100 120 100 STM1403 = 3.3V BAT 140 AI09691 2.5V 3.3V 3.6V AI09692 ...
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... STM1403 Figure 13. V PFI 1.255 1.250 1.245 1.240 1.235 1.230 1.225 –50 Figure 14. Reset comparator propagation delay vs. temperature –60 Figure 15. Power-up t 215 210 205 200 195 –50 –30 threshold vs. temperature 2. 3.0V BAT –30 – TEMPERATURE [°C] – ...
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... Figure 18. RST output voltage vs. supply voltage 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 20/34 V BAT –40 – TEMPERATURE [°C] – TEMPERATURE [° RST 500 ms/div Doc ID 13232 Rev 100 120 60 80 100 120 STM1403 140 AI09145 140 AI09148 AI09149b ...
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... STM1403 Figure 19. RST response time (assertion) 4.0 3.0 2.0 1.0 0.0 Figure 20. Power-fail comparator response time (assertion) 4.0 3.0 2.0 1.0 0.0 Figure 21. Power-fail comparator response time (de-assertion) 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 2 µs/div PFO PFI 2µs/div PFO PFI 2 µs/div Doc ID 13232 Rev 6 Typical operating characteristics RST AI09151b 1.45 1.40 1.35 1.30 1.25 1.20 1.15 AI09153b 1.45 1.40 1.35 1.30 1.25 1.20 1.15 AI09154 21/34 ...
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... Figure 23. Maximum transient duration vs. reset threshold overdrive 250 200 150 100 22/34 to reset propagation delay vs. temperature –40 – TEMPERATURE [°C] 10 100 RESET COMPARATOR OVERDRIVE, V Doc ID 13232 Rev 6 10V/ms 1V/ms 0.25V/ 100 1000 10000 – V [mV] RST CC STM1403 AI09155 AI09156 ...
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... STM1403 6 Maximum ratings Stressing the device above the ratings listed in the absolute maximum ratings table may cause permanent damage to the device. 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 ...
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... Input rise and fall times Input pulse voltages Input and output timing ref. voltages Figure 24. AC testing input/output waveforms Figure 25. MR timing waveform MR RST Figure 26. STM1403 switchover diagram, condition A (V Figure 27. STM1403 switchover diagram, condition B (V 24/34 condition. Designers should check that the Parameter ) A ...
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... Table 6. DC and AC characteristics Alter- Sym Description native Operating voltage (2) V BAT V supply current CC (STM1403A) V supply current CC (STM1403B, supply current in CC battery backup mode V supply current in (3) BAT I BAT battery backup mode V V voltage (active) OUT1 OUT V voltage (battery ...
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... Battery switchover Battery backup switchover voltage Hysteresis Battery low voltage detect V Battery detect threshold DET Voltage reference (option for STM1403A) Voltage reference (see Section 2.1. REF reference voltage output (1.237, typ) on page I Source current REF+ I Sink current REF– ...
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... STM1403 Table 6. DC and AC characteristics (continued) Alter- Sym Description native Reset thresholds (9) V Reset threshold RST t RST pulse width rec Push-button reset input pulse width MLMH RST output delay MLRL MRD 1. Valid for ambient operating temperature: T noted); typical values are for 3.3 V and 25 °C. ...
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... Trip point for NL physical V LTP tamper input pins (TP SAL propagation delay time (after physical tamper pin detection) Physical tamper input (TP glitch immunity 1. Valid for ambient operating temperature the case of STM1403A, physical tamper input pins (TP STM1403B (max RST 28/34 Test (1) ...
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... STM1403 8 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 at: www.st.com. ® ECOPACK trademark. Figure 28. QFN16 – 16-lead, quad, flat package, no lead body size, outline Note: Drawing is not to scale ...
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... SS Doc ID 13232 Rev 6 STM1403 inches Typ Min 0.035 0.032 0.001 0.000 0.008 – 0.010 0.007 0.118 0.114 0.067 0.061 0.118 0.114 0.067 0.061 0.020 – 0.008 – 0.016 0.012 – 0.003 – ...
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... For other options, or for more information on any aspect of this device, please contact the ST sales office nearest you. Figure 30 on page 32 STM1403 A ) DET Table 10 are not recommended for new design. Please contact local ST STM1403ASMQ6F or STM1403ATNQ6F or STM1403ATOQ6F STM1403ASMQ6F or STM1403ATNQ6F or STM1403ATOQ6F STM1403ASMQ6F or STM1403ATNQ6F or STM1403ATOQ6F Doc ID 13232 Rev 6 Part numbering for marking information ...
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... Part numbering Figure 30. Topside marking information 1. Options codes (for V OUT (for reset threshold (for battery low voltage detect threshold) 2. Traceability codes Y = Year WW = Work Week 32/34 03 (1) XXX (2) YWW ) Doc ID 13232 Rev 6 STM1403 AI11878 ...
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... STM1403 10 Revision history Table 11. Document revision history Date Revision 11-Oct-2004 26-Nov-2004 22-Dec-2004 03-Feb-2005 25-Feb-2005 06-May-2005 05-Aug-2005 18-Oct-2005 07-Feb-2007 20-Aug-2008 17-Nov-2010 1 First edition Corrected footprint dimensions; update characteristics (Figure 26, 27, 29; 1.2 Update characteristics ( Figure 1.3 Update characteristics (Figure 1.4 Update temperature trip limits 1 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 34/34 Please Read Carefully: © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 13232 Rev 6 STM1403 ...