STM1404A STMICROELECTRONICS [STMicroelectronics], STM1404A Datasheet
STM1404A
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STM1404A Summary of contents
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... STM1404C Note: 1. SAL, RST, PFO, and BLD are Open Drain. 2. Normal Mode: Low when V OUT 3. Pin 9 is the V pin for STM1404A the V REF January 2006 For further information contact your local ST sales office. Security Supervisor with Battery Switchover Figure 1. Package ...
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... RST Output (Open Drain), Manual (Push-but- ton) Reset Input (MR), Power-fail Comparator (PFI/PFO), Physical and/or Tamper Detect/Security Alarm, and Battery Low Voltage Detect features. The STM1404A also offers a V option on pin 9. On STM1404B/C this pin is V (internally switched BAT Figure 2. Logic Diagram ...
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... Figure 3. QFN16 Connections RST MR SAL V Note: See PIN DESCRIPTIONS of the full datasheet for details. 1. Normal Mode: Low when V OUT 2. SAL, RST, PFO, and BLD are Open Drain only for STM1404A; V REF TPU (1) ( BLD PFI CCSW (2) ...
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... STM1404 Figure 4. Block Diagram V CC (1,2) BAT54J V BAT (1) MR PFI Note: 1. BAT54J (from STMicroelectronics) recommended. 2. Required for battery-reverse charging protection. 3. Open Drain 4. V only for STM1404A; V REF TPU 4 COMPARE COMPARE V INT V RST V PFI COMPARE COMPARE @ V DET POWER-UP 1.237V V REF Generator V HV ...
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... TP and TP are set Normally to High (NH). They 1 3 are connected externally through a closed switch or a high-impedance resistor STM1404A or STM1404A STM1404B/C), A tamper condition will be de- tected when the input pin is pulled low. If not used, tie the pin OUT TPU ...
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STM1404 PART NUMBERING Table 3. Ordering Information Scheme (see Example: Device Type STM1404: Over/Under Temperature Detect V Status (SAL = Active-Low) OUT ON; Vccsw = Normal Mode OUT High-Z; Vccsw = High OUT C: ...
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Figure 5. Topside Marking Information Note: 1. Options codes (for V ) OUT (for Reset Threshold (for Battery Low Voltage Detect Threshold) ...
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STM1404 REVISION HISTORY Table 4. Document Revision History Date Version 11-October-04 1.0 First Edition 26-Nov-04 1.1 Corrected footprint dimensions; update characteristics (Figure Table 1, 2) 22-Dec-04 1.2 Update characteristics (Table 3) 03-Feb-05 1.3 Update characteristics 25-Feb-05 1.4 ...
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Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. ...