M48Z35AV ST Microelectronics, M48Z35AV Datasheet
M48Z35AV
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M48Z35AV Summary of contents
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... BATTERY LOW FLAG (BOK) AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION WRITE PROTECT VOLTAGES (V = Power-fail Deselect Voltage): PFD – M48Z35AY: 4.20V V PFD – M48Z35AV: 2.7V V PFD SELF-CONTAINED BATTERY in the CAPHAT DIP PACKAGE PACKAGING INCLUDES a 28-LEAD SOIC and ® SNAPHAT TOP (to be Ordered Separately) ...
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... M48Z35AY, M48Z35AV Figure 2A. DIP Pin Connections A14 1 A12 M48Z35AY M48Z35AV DQ0 11 DQ1 12 DQ2 AI02782B Table 2. Absolute Maximum Ratings Symbol Ambient Operating Temperature T A Storage Temperature (V T STG (2) Lead Solder Temperature for 10 seconds ...
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... SOIC package after the completion of the surface mount process. Insertion of the SNAPHAT housing after reflow prevents potential battery damage due to the high temperatures required for device surface-mounting. The SNAPHAT housing is keyed to prevent reverse insertion. M48Z35AY, M48Z35AV W DQ0-DQ7 Power X High Z Standby ...
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... M48Z35AY, M48Z35AV Table 4. AC Measurement Conditions Input Rise and Fall Times Input Pulse Voltages Input and Output Timing Ref. Voltages Note that Output Hi-Z is defined as the point where data is no longer driven. The SOIC and battery packages are shipped sep- arately in plastic anti-static tubes or in Tape & Reel form ...
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... A Symbol V Power-fail Deselect Voltage (M48Z35AY) PFD V Power-fail Deselect Voltage (M48Z35AV) PFD V Battery Back-up Switchover Voltage (M48Z35AY Battery Back-up Switchover Voltage (M48Z35AV) SO (2) Expected Data Retention Time t DR Note: 1. All voltages referenced °C. Test Condition V V OUT = 4 ...
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... M48Z35AY, M48Z35AV Table 8. Power Down/Up AC Characteristics ( °C or – °C) A Symbol before Power Down PD IH (1) V (max PFD PFD F (2) V (min PFD (min PFD PFD (min PFD ...
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... Figure 6. Read Mode AC Waveforms A0-A14 E G DQ0-DQ7 Note: Write Enable (W) = High. = 4.5V to 5.5V or 3.0V to 3.6V) CC M48Z35AY -70 Min tAVAV VALID tAVQV tELQV tELQX tGLQV tGLQX M48Z35AY, M48Z35AV M48Z35AV -100 Max Min Max 100 70 100 70 100 tAXQX tEHQZ tGHQZ ...
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... M48Z35AY, M48Z35AV Table 10. Write Mode AC Characteristics ( °C or – ° Symbol t Write Cycle Time AVAV t Address Valid to Write Enable Low AVWL t Address Valid to Chip Enable Low AVEL t Write Enable Pulse Width WLWH t Chip Enable Low to Chip Enable High ...
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... Figure 7. Write Enable Controlled, Write AC Waveform A0-A14 E W DQ0-DQ7 Figure 8. Chip Enable Controlled, Write AC Waveforms A0-A14 E W DQ0-DQ7 tAVAV VALID tAVWH tAVEL tWLWH tAVWL tWLQZ tAVAV VALID tAVEH tAVEL tELEH tAVWL tDVEH M48Z35AY, M48Z35AV tWHAX tWHQX tWHDX DATA INPUT tDVWH AI00926 tEHAX tEHDX DATA INPUT AI00927 9/16 ...
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... M48Z35AY, M48Z35AV Figure 9. Checking the BOK Flag Status POWER-UP READ DATA AT ANY ADDRESS WRITE DATA COMPLEMENT BACK TO SAME ADDRESS READ DATA AT SAME ADDRESS AGAIN IS DATA NO COMPLEMENT OF FIRST READ? (BATTERY OK) YES WRITE ORIGINAL DATA BACK TO SAME ADDRESS CONTINUE Also rises, the battery voltage is checked. ...
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... Table 11. Ordering Information Scheme Example: Supply Voltage and Write Protect Voltage 35AY = V = 4.5V to 5.5V PFD 35AV = V = 3.0V to 3.6V PFD Speed -70 = 70ns (M48Z35AY) -100 = 100ns (M48Z35AV) Package PC = PCDIP28 ( SOH28 Temperature Range °C ( – °C Shipping Method for SOIC blank = Tubes TR = Tape & ...
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... M48Z35AY, M48Z35AV Table 13. PCDIP28 - 28 pin Plastic DIP, battery CAPHAT, Package Mechanical Data Symb Typ Figure 11. PCDIP28 - 28 pin Plastic DIP, battery CAPHAT, Package Outline Drawing is not to scale. 12/16 mm Min Max 8.89 9.65 0.38 0.76 8.38 8.89 0.38 0.53 1.14 1.78 0.20 0.31 39.37 39.88 17.83 18.34 2.29 2.79 29.72 36.32 15.24 16.00 3.05 3. inches ...
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... 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 – – 3.20 3.61 11.51 12.70 0.41 1.27 0° 8° M48Z35AY, M48Z35AV inches Typ Min 0.002 0.092 0.014 0.006 0.697 0.324 0.050 – 0.126 0.453 0.016 0° Max 0.120 0.014 0.106 0.020 0.012 0.728 0.350 – 0.142 0.500 0.050 8° ...
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... M48Z35AY, M48Z35AV Table 15 SNAPHAT Housing for 48 mAh Battery, Package Mechanical Data Symb Typ Figure 13 SNAPHAT Housing for 48 mAh Battery, Package Outline Drawing is not to scale. 14/16 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. inches Typ Min Max 0.385 0.265 ...
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... Figure 14 SNAPHAT Housing for 120 mAh Battery, Package Outline Drawing is not to scale. 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. M48Z35AY, M48Z35AV inches Typ Min Max 0.415 0.315 0.335 0.285 0.315 0.015 0.018 0.022 0.835 0.860 0.680 0.710 0.612 0.628 0.126 0.142 0.080 0.090 SHZP-A ...
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... M48Z35AY, M48Z35AV 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 ...