M40SZ100WMH STMICROELECTRONICS [STMicroelectronics], M40SZ100WMH Datasheet
M40SZ100WMH
Related parts for M40SZ100WMH
M40SZ100WMH Summary of contents
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NVRAM SUPERVISOR FOR LPSRAM FEATURES SUMMARY CONVERT LOW POWER SRAMs INTO NVRAMs OPERATING VOLTAGE PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY AUTOMATIC WRITE-PROTECTION WHEN V IS OUT-OF-TOLERANCE CC CHOICE OF SUPPLY VOLTAGES and POWER-FAIL ...
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M40SZ100Y, M40SZ100W TABLE OF CONTENTS SUMMARY DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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SUMMARY DESCRIPTION The M40SZ100Y/W NVRAM Controller is a self- contained device which converts a standard low- power SRAM into a non-volatile memory. A preci- sion voltage reference and comparator monitors the V input for an out-of-tolerance condition. CC When an ...
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M40SZ100Y, M40SZ100W Figure 4. SOIC16 Connections RST M40SZ100Y M40SZ100W 5 RSTIN PFO 6 V BAT Note Not Use Figure 6. Block Diagram ...
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Figure 7. Hardware Hookup Unregulated V IN Voltage From Microprocessor R1 R2 Note: 1. User supplied for the 16-pin package MAXIMUM RATING Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may cause permanent damage to ...
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M40SZ100Y, M40SZ100W DC AND AC PARAMETERS This section summarizes the operating and mea- surement conditions, as well as the DC and AC characteristics of the device. The parameters in the following DC and AC Characteristic tables are derived from tests ...
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Table 5. DC Characteristics Sym Parameter I Supply Current CC Data Retention Mode I CCDR (2) Current Input Leakage Current ( Input Leakage Current (PFI) Output Leakage ( Current V Current OUT (5) I OUT1 (Active) ...
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M40SZ100Y, M40SZ100W OPERATION The M40SZ100Y/W, as shown in Figure 7, page 5, can control one (two, if placed in parallel) standard low-power SRAM. This SRAM must be configured to have the chip enable input disable all other input signals. Most ...
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Figure 10. Power Down Timing PFD (max) V PFD V PFD (min CON RST PFO VALID tFB tWPT V OHB M40SZ100Y, M40SZ100W AI03936 9/19 ...
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M40SZ100Y, M40SZ100W Figure 11. Power Up Timing PFD (max) V PFD V PFD (min tRB E V OHB E CON RST PFO Table 6. Power Down/Up AC Characteristics Symbol (2) V (max ...
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Power-on Reset Output All microprocessors have a reset input which forc- es them to a known state when starting. The M40SZ100Y/W has a reset output (RST) pin which is guaranteed to be low by V page 7). This signal is ...
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M40SZ100Y, M40SZ100W Battery Low Pin The M40SZ100Y/W automatically performs bat- tery voltage monitoring upon power-up, and at fac- tory-programmed time intervals of at least 24 hours. The Battery Low (BL) pin will be asserted if the battery voltage is found ...
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PACKAGE MECHANICAL INFORMATION Figure 14. SO16 – 16-lead Plastic Small Package Outline SO-b Note: Drawing is not to scale. Table 8. SO16 – 16-lead Plastic Small Plastic Package Mechanical Data Symbol Typ ...
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M40SZ100Y, M40SZ100W Figure 15. SOH28 – 28-lead Plastic Small Outline, 4-socket battery SNAPHAT, Package Outline SOH-A Note: Drawing is not to scale. Table 9. SOH28 – 28-lead Plastic Small Outline, battery SNAPHAT, Package Mechanical Data ...
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Figure 16. SH – 4-pin SNAPHAT Housing for 48mAh Battery, Package Outline Note: Drawing is not to scale. Table 10. SH – 4-pin SNAPHAT Housing for 48mAh Battery, Package Mechanical Data Symbol Typ ...
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M40SZ100Y, M40SZ100W Figure 17. SH – 4-pin SNAPHAT Housing for 120mAh Battery, Package Outline Note: Drawing is not to scale. Table 11. SH – 4-pin SNAPHAT Housing for 120mAh Battery, Package Mechanical Data Symbol Typ ...
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PART NUMBERING Table 12. Ordering Information Scheme Example: Device Type M40SZ Supply Voltage and Write Protect Voltage 100Y = V = 4.5 to 5.5V 4.2 to 4.5V CC PFD 100W = V = 2.7 to 3.6V ...
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M40SZ100Y, M40SZ100W REVISION HISTORY Table 14. Document Revision History Date Rev. # December 2001 1.0 First Issue 13-May-02 1.1 Modify reflow time and temperature footnote (Table 2) 01-Aug-02 1.2 Add marketing status (Figure 2; Table 12) 15-Sep-03 1.3 Remove reference ...
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M40SZ100, M40SZ100Y, M40SZ100W, 40SZ100, 40SZ100Y, 40SZ100W, ZEROPOWER, ZEROPOWER, ZEROPOW- ER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, ZEROPOWER, SUPERVISOR, SUPERVISOR, SU- PERVISOR, SUPERVISOR, SUPERVISOR, SUPERVISOR, SUPERVISOR, SUPERVISOR, SUPERVISOR, SUPERVI- SOR, SUPERVISOR, SUPERVISOR, SUPERVISOR, SUPERVISOR, SUPERVISOR, NVRAM, ...