M40Z300W ST Microelectronics, M40Z300W Datasheet
M40Z300W
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M40Z300W Summary of contents
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... SRAMs (with 2 devices active in parallel) CHOICE of SUPPLY VOLTAGES and POWER-FAIL DESELECT VOLTAGES: – M40Z300 4.5V to 5.5V CC THS = V 4. PFD THS = V 4.2V V OUT PFD – M40Z300W 3.0V to 3.6V CC THS = V 2. PFD V = 2.7V to 3.3V CC THS = V 2.5 V OUT PFD RESET OUTPUT (RST) for POWER ON RESET LESS THAN 12ns CHIP ENABLE ACCESS PROPAGATION DELAY (for 5 ...
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... E2 CON CON M40Z300W 16 E4 CON 15 NC When an invalid V tioned chip enable outputs (E1 forced inactive to write-protect the stored data in the SRAM. During a power failure, the SRAM is switched from the V the SNAPHAT to provide the energy required for data retention subsequent power-up, the SRAM remains write protected until a valid power condition returns ...
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... For the M40Z300 the pow- PFD er fail detection value associated with V selected by the Threshold Select (THS) pin and is shown in Table 6A. For the M40Z300W, the THS pin selects both the supply voltage and V shown in Table 6B. Note: In either case, THS pin must be connected ...
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... M40Z300, M40Z300W Table 3. Truth Table Inputs Table 4. AC Measurement Conditions Input Rise and Fall Times Input Pulse Voltages Input and Output Timing Ref. Voltages DATA RETENTION LIFETIME CALCULATION Most low power SRAMs on the market today can be used with the M40Z300/W NVRAM Controller ...
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... Ta- PFD The M40Z300/W includes a 2 input (A, B) decoder which allows the control independent SRAMs. The Truth Table for these inputs is shown in Table 3. equals M40Z300, M40Z300W CMOS SRAM 0 AI02395 exceeds the power failure detect volt- ...
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... M40Z300, M40Z300W (1) Table 5. Capacitance ( ° MHz) A Symbol Parameter C Input Capacitance IN C Output Capacitance OUT Note: 1. Sampled only, not 100% tested. 2. Outputs deselected. Table 6A. DC Characteristics for M40Z300 ( 70° 4.75V to 5.5V or 4.5V to 5.5V Symbol Parameter (1) Input Leakage Current I LI ...
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... Table 6B. DC Characteristics for M40Z300W ( 70° 3.6V or 2.7V to 3.3V Symbol Parameter (1) Input Leakage Current Supply Current CC V Input Low Voltage IL V Input High Voltage IH Output Low Voltage V OL Output Low Voltage (open drain) V Output High Voltage Battery Back-up ...
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... M40Z300, M40Z300W Table 7. Power Down/Up AC Characteristics ( 70°C) A Symbol (1) V (max PFD PFD F (2) V (min PFD (min PFD PFD t Chip Enable Propagation Delay Low EDL t Chip Enable Propagation Delay High EDH set ...
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... Figure 5. Power Down Timing PFD (max) V PFD V PFD (min CON - E4 CON RST Figure 6. Power Up Timing PFD (max) V PFD V PFD (min tRB E V OHB E1 CON - E4 CON RST tFB tWPT V OHB tR tCER tEDH tREC M40Z300, M40Z300W AI02398B tEDL AI02399B 9/16 ...
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... M40Z300, M40Z300W Figure 7. Address-Decode Time CON -E4 CON Note: During system design, compliance with the SRAM timing parameters must comprehend the propagation delay between E and EX CON Table 8. Battery Table Part Number M4Z28-BR00SH M4Z32-BR00SH V NOISE AND NEGATIVE GOING TRANSIENTS CC I transients, including those produced by output ...
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... For a list of available options (Speed, Package, etc...) or for further information on any aspect of this de- vice, please contact the ST Sales Office nearest to you. Table 10. Revision History Date March 1999 First Issue Document Layout changed 03/08/00 SO16 package added Battery Capacity changed (Table 8) M40Z300W 4.75V 4.5V 3.0V 2.7V Revision Details M40Z300, M40Z300W 11/16 ...
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... M40Z300, M40Z300W Table 11. SOH28 - 28 lead Plastic Small Outline, battery SNAPHAT, Package Mechanical Data Symb Typ 1. Figure 9. SOH28 - 28 lead Plastic Small Outline, 4-socket battery SNAPHAT, Package Outline SOH-A Drawing is not to scale. 12/16 mm Min Max 3.05 0.05 0.36 2.34 2.69 0.36 0.51 0.15 0.32 17.71 18.49 8.23 8.89 – ...
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... Figure 10. M4Z28-BR00SH SNAPHAT Housing for 48 mAh Battery, Package Outline Drawing is not to scale. mm Min Max 9.78 6.73 7.24 6.48 6.99 0.38 0.46 0.56 21.21 21.84 14.22 14.99 15.55 15.95 3.20 3.61 2.03 2. M40Z300, M40Z300W inches Typ Min Max 0.385 0.265 0.285 0.255 0.275 0.015 0.018 0.022 0.835 0.860 0.560 0.590 0.612 0.628 0.126 0.142 0.080 0.090 SHZP-A ...
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... M40Z300, M40Z300W Table 13. M4Z32-BR00SH SNAPHAT Housing for 120 mAh Battery, Package Mechanical Data Symb Typ Figure 11. M4Z32-BR00SH SNAPHAT Housing for 120 mAh Battery, Package Outline Drawing is not to scale. 14/16 mm Min Max 10.54 8.00 8.51 7.24 8.00 0.38 0.46 0.56 21.21 21.84 17.27 18.03 15.55 15.95 3.20 3.61 2.03 2. inches Typ Min Max ...
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... Drawing is not to scale. mm Min. Max. 2.59 0.10 0.30 0.38 0.51 0.23 0.25 10.11 10.49 7.44 7.54 – – 10.16 10.41 0.41 1027 0° 8° M40Z300, M40Z300W inches Typ. Min. Max. 0.102 0.004 0.012 0.015 0.020 0.009 0.010 0.398 0.413 0.293 0.297 0.050 – 0.400 0.410 0.015 0.016 0.050 0° 16 0.004 h x 45˚ – ...
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... M40Z300, M40Z300W 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. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice ...