M40Z111MH6 STMICROELECTRONICS [STMicroelectronics], M40Z111MH6 Datasheet
M40Z111MH6
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M40Z111MH6 Summary of contents
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OR 3V NVRAM SUPERVISOR FOR UP TO TWO LPSRAMs FEATURES SUMMARY CONVERT LOW POWER SRAMs INTO NVRAMs PRECISION POWER MONITORING and POWER SWITCHING CIRCUITRY AUTOMATIC WRITE-PROTECTION WHEN V IS OUT-OF-TOLERANCE CC CHOICE OF SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES: ...
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M40Z111, M40Z111W TABLE OF CONTENTS SUMMARY DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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SUMMARY DESCRIPTION The M40Z111/W NVRAM SUPERVISOR is a self- contained device which converts a standard low- power SRAM into a non-volatile memory. A precision voltage reference and comparator monitors the V input for an out-of-tolerance con- CC dition. When an ...
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M40Z111, M40Z111W Figure 4. Hardware Hookup 3.0, 3. 1N5817 or 0.1 F MBR5120T3 Thereshold MAXIMUM RATING Stressing the device above the rating listed in the “Absolute Maximum Ratings” table may cause permanent damage to the device. These are ...
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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 performed under ...
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M40Z111, M40Z111W Table 5. DC Characteristics Sym Parameter I Supply Current CC Data Retention Mode I CCDR Current Input Leakage Current I LI (2) Output Leakage Current Current (Active) OUT1 OUT V Current (Battery OUT I ...
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OPERATION The M40Z111/W, as shown in Figure 4, page 4, can control up to two standard low-power SRAMs. These SRAMs must be configured to have the chip enable input disable all other input signals. Most slow, low-power SRAMs are configured ...
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M40Z111, M40Z111W Figure 6. Power Down Timing PFD (max) V PFD V PFD (min CON Figure 7. Power Up Timing PFD (max) V PFD V PFD (min ...
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Table 6. Power Down/Up AC Characteristics Symbol (2) V (max PFD PFD F (3) V (min PFD (min PFD PFD (min ...
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M40Z111, M40Z111W PART NUMBERING Table 7. Ordering Information Scheme Example: Device Type M40Z Supply Voltage and Write Protect Voltage 111 = V = 4.5 to 5.5V 4.3 to 4.5V CC PFD THS = V = 4.5 V 4.75V ...
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PACKAGE MECHANICAL INFORMATION Figure 9. 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 ...
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M40Z111, M40Z111W Figure 10. 4-pin SNAPHAT Housing for 48mAh Battery, Package Outline Note: Drawing is not to scale. Table 10. 4-pin SNAPHAT Housing for 48mAh Battery, Package Mechanical Data Symbol Typ ...
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Figure 11. 4-pin SNAPHAT Housing for 120mAh Battery, Package Outline Note: Drawing is not to scale. Table 11. 4-pin SNAPHAT Housing for 120mAh Battery, Package Mechanical Data Symbol Typ ...
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M40Z111, M40Z111W REVISION HISTORY Table 12. Document Revision History Date September 2000 First Draft Issue Reformatted, TOC added, changed DC Characteristics (Table 5); changed battery, ind. 09/14/01 temperature information (Tables Figures 10, 11); Corrected SOIC label ...
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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. ...