M48Z128Y-85PM1 STMicroelectronics, M48Z128Y-85PM1 Datasheet
M48Z128Y-85PM1
Specifications of M48Z128Y-85PM1
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M48Z128Y-85PM1 Summary of contents
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... WRITE protect voltages power-fail deselect voltage) PFD – M48Z128 4. 4.5 V ≤ V ≤ 4.75 V PFD – M48Z128Y 4 4.2 V ≤ V ≤ 4.5 V PFD – M48Z128V 3 2.8 V ≤ V ≤ 3.0 V PFD (contact ST sales office for availability) ■ ...
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... Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.1 READ mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 WRITE mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.3 Data retention mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.4 V noise and negative going transients . . . . . . . . . . . . . . . . . . . . . . . . . Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and AC parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 5 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 6 Part numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 7 Environmental information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2/20 M48Z128, M48Z128Y, M48Z128V Doc ID 2426 Rev 5 ...
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... M48Z128, M48Z128Y, M48Z128V List of tables Table 1. Signal names . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Table 2. Operating modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Table 3. READ mode AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 4. WRITE mode AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Table 5. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Table 6. Operating and AC measurement conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 7. Capacitance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Table 8. DC characteristics Table 9. Power down/up AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 10. Power down/up trip points DC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Table 11. PMDIP32 – ...
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... WRITE enable controlled, WRITE AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 7. Chip enable controlled, WRITE AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 8. Supply voltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Figure 9. AC measurement load circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 10. Power down/up mode AC waveforms Figure 11. PMDIP32 – 32-pin plastic DIP module, package outline . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 12. Recycling symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4/20 M48Z128, M48Z128Y, M48Z128V Doc ID 2426 Rev 5 ...
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... M48Z128, M48Z128Y, M48Z128V 1 Description The M48Z128/Y/V ZEROPOWER as131,072 words by 8 bits. The device combines an internal lithium battery, a CMOS SRAM and a control circuit in a plastic, 32-pin DIP module to provide a highly integrated battery- backed memory solution. The M48Z128/Y non-volatile pin and function equivalent to any JEDEC standard 128 SRAM ...
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... A14 3 A12 M48Z128 A4 8 M48Z128Y A3 9 M48Z128V DQ0 13 DQ1 14 DQ2 POWER VOLTAGE SENSE AND SWITCHING E CIRCUITRY INTERNAL BATTERY Doc ID 2426 Rev 5 M48Z128, M48Z128Y, M48Z128V A15 A13 A11 A10 DQ7 20 DQ6 19 DQ5 18 DQ4 17 DQ3 A0-A16 DQ0-DQ7 131,072 x 8 SRAM ARRAY AI01195 AI01196 ...
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... M48Z128, M48Z128Y, M48Z128V 2 Operating modes The M48Z128/Y/V also has its own power-fail detect circuit. The control circuitry constantly monitors the single V tolerance, the circuit write protects the SRAM, providing a high degree of data security in the midst of unpredictable system operation brought on by low V switchover voltage (V until valid power returns ...
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... VALID tAVQV M48Z128/Y M48Z128/Y/V M48Z128/Y/V (1) Parameter –70 Min ° Doc ID 2426 Rev 5 M48Z128, M48Z128Y, M48Z128V tAXQX tEHQZ tGHQZ DATA OUT tAXQX DATA VALID –85 –120 Max Min Max Min Max 85 120 70 85 120 70 85 120 ...
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... M48Z128, M48Z128Y, M48Z128V 2.2 WRITE mode The M48Z128/Y the WRITE mode whenever W and E are active. The start of a WRITE is referenced from the latter occurring falling edge WRITE is terminated by the earlier rising edge The addresses must be held valid throughout the cycle must return high for ...
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... SO rises above V , the battery is disconnected, and the power supply Write protection continues for normal RAM operation can resume. ER Doc ID 2426 Rev 5 M48Z128, M48Z128Y, M48Z128V M48Z128/Y/V M48Z128/Y/V –85 –120 Max Min Max Min 85 120 ...
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... M48Z128, M48Z128Y, M48Z128V 2.4 V noise and negative going transients CC I transients, including those produced by output switching, can produce voltage CC fluctuations, resulting in spikes on the V capacitors are used to store energy which stabilizes the V bypass capacitors will be released as low going spikes are generated or energy will be absorbed when overshoots occur. A ceramic bypass capacitor value of 0.1 µ ...
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... Furthermore, the devices shall not be exposed to IR reflow. Caution: Negative undershoots below –0.3 V are not allowed on any pin while in the battery backup mode. 12/20 M48Z128, M48Z128Y, M48Z128V Parameter off, oscillator off) CC M48Z128/Y M48Z128V ...
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... M48Z128, M48Z128Y, M48Z128V 4 DC and AC parameters This section summarizes the operating and measurement 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 the measurement conditions listed in the relevant tables. Designers should check that the operating conditions in their projects match the measurement conditions when using the quoted parameters ...
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... V OUT Outputs open – 0 –0 – ° 4.75 to 5.5 V, 4 3.0 to 3.6 V (except where A CC Doc ID 2426 Rev 5 M48Z128, M48Z128Y, M48Z128V M48Z128V –85 / –120 Unit Max Min Max ±1 ±1 ±1 ±1 105 0.8 –0.3 0 0.3 2 0.3 ...
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... M48Z128, M48Z128Y, M48Z128V Figure 10. Power down/up mode AC waveforms PFD (max) V PFD (min OUTPUTS (PER CONTROL INPUT) Table 9. Power down/up AC characteristics Symbol ( PFD ( PFD PFD Write protect time recovery time ER 1. Valid for ambient operating temperature: T (except where noted (max PFD PFD until 200 µ ...
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... Doc ID 2426 Rev 5 M48Z128, M48Z128Y, M48Z128V C eA PMDIP inches Typ Min Max 0.365 0.375 0.015 – 0.017 0.023 0.008 0.013 1.670 1.700 0.710 0.740 ...
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... M48Z128, M48Z128Y, M48Z128V 6 Part numbering Table 12. Ordering information scheme Example: Device type M48Z Supply voltage and write protect voltage 128 = V = 4. 128Y = V = 4 (1) 128V = V = 3 Speed – (for M48Z128/Y) – (for M48Z128/Y/V) –120 = 120 ns (for M48Z128/Y/V) Package PM = PMDIP32 Temperature range ° ...
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... Recycle or dispose of batteries in accordance with the battery manufacturer's instructions and local/national disposal and recycling regulations. Please refer to the following web site address for additional information regarding compliance statements and waste recycling www.st.com/nvram, then select "Lithium Battery Recycling" from "Related Topics". 18/20 M48Z128, M48Z128Y, M48Z128V Doc ID 2426 Rev 5 ...
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... M48Z128, M48Z128Y, M48Z128V 8 Revision history Table 13. Revision history Date Revision May-1999 13-Apr-2000 20-Jun-2000 19-Jul-2000 14-Sep-2001 07-Nov-2001 20-May-2002 18-Nov-2002 17-Sep-2003 22-Feb-2005 20-Jul-2010 1 First issue 2 Document layout changed; surface-mount chip set solution added 2.1 t changed (Table 3) GLQX 2.2 M48Z128V added 3 Reformatted; added temperature information 3 ...
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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 20/20 Please Read Carefully: © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 2426 Rev 5 M48Z128, M48Z128Y, M48Z128V ...