m48t513v STMicroelectronics, m48t513v Datasheet
m48t513v
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m48t513v Summary of contents
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... AUTOMATIC POWER-FAIL CHIP DESELECT and WRITE PROTECTION TWO WRITE PROTECT VOLTAGES Power-fail Deselect Voltage) PFD – M48T513Y: 4.2V V 4.5V PFD – M48T513V: 2.7V V 3.0V PFD CONVENTIONAL SRAM OPERATION; UNLIMITED WRITE CYCLES SOFTWARE CONTROLLED CLOCK CALIBRATION for HIGH ACCURACY APPLICATIONS 10 YEARS of DATA RETENTION and CLOCK OPERATION in the ABSENCE of POWER ...
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... M48T513Y, M48T513V Figure 2. DIP Connections RST RSTIN 2 35 WDI A18 3 34 IRQ/FT A16 4 33 A15 A14 5 32 A17 A12 A13 M48T513Y M48T513V A11 A10 DQ7 ...
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... RAM array. The M48T513Y/V includes a clock control circuit which updates the clock bytes with current infor- mation once per second. The information can be accessed by the user in the same manner as any M48T513Y, M48T513V TIMEKEEPER REGISTERS POWER 524,272 x 8 ...
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... M48T513Y, M48T513V Figure 4. Hardware Hookup for SMT Chip Set (3) SNAPHAT BATTERY/CRYSTAL 32,768 Hz CRYSTAL LITHIUM 5V CELL 0.1 F Note: 1. For pin connections, see individual data sheets for M48T201Y/V and M68Z512/W at www.st.com. 2. For 5V, M48T129Y (M48T201Y + M68Z512). For 3.3V, M48T129V (M48T201V + M68Z512W). 3. SNAPHAT Top ordered separately. ...
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... Note: Excluding open drain output pins. referred to as BiPORT The external copies are independent of internal functions except that they are updated periodically by the simultaneous transfer of the incremented internal copy. TIMEKEEPER and Alarm Registers store data in BCD. M48T513Y, M48T513V Power High Z Standby D Active IN ...
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... M48T513Y, M48T513V CLOCK OPERATIONS Reading the Clock Updates to the TIMEKEEPER registers should be halted before clock data is read to prevent reading data in transition. Because the BiPORT TIME- KEEPER cells in the RAM array are only data reg- isters, and not the actual clock counters, updating the registers can be halted without disturbing the clock itself ...
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... MHz) A Symbol Parameter C Input Capacitance IN (2) Input / Output Capacitance C IO Note: 1. Effective capacitance measured with power supply at 5V (M48T513Y) or 3.3V (M48T513V). Sampled only, not 100% tested. 2. Outputs deselected. Table 6A. DC Characteristics - M48T513Y ( 4.5V to 5.5V Symbol Parameter (1) Input Leakage Current ...
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... M48T513Y, M48T513V Figure 6. Power Down/Up Mode AC Waveforms PFD (max) V PFD (min INPUTS RECOGNIZED OUTPUTS VALID RST Table 7. Power Down/Up Trip Points DC Characteristics ( Symbol Parameter V Power-fail Deselect Voltage PFD V Battery Back-up Switchover Voltage SO (2) Expected Data Retention Time ...
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... C = 5pF. L Figure 7. Address Controlled, Read Mode AC Waveforms A0-A16 tAXQX DQ0-DQ7 DATA VALID M48T513Y -70 Min Max tAVAV VALID tAVQV DATA VALID M48T513Y, M48T513V M48T513V -85 Unit Min Max AI02324 ...
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... M48T513Y, M48T513V Table 10. Write Mode AC Characteristics ( Symbol Parameter 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 ELEH t Write Enable High to Address Transition ...
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... Figure 8. Chip Enable or Output Enable Controlled, Read Mode AC Waveforms A0-A16 E G DQ0-DQ7 Figure 9. Write Enable Controlled, Write AC Waveforms A0-A16 tAVEL E tAVWL W DQ0-DQ7 tAVAV VALID tAVQV tAXQX tELQV tELQX tGLQV tGLQX DATA OUT tAVAV VALID tAVWH tWLWH tWLQZ tWHDX DATA INPUT tDVWH M48T513Y, M48T513V tEHQZ tGHQZ AI01197 tWHAX tWHQX AI02382 11/23 ...
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... M48T513Y, M48T513V Figure 10. Chip Enable Controlled, Write AC Waveforms A0-A16 tAVEL E tAVWL W DQ0-DQ7 RESET INPUT (RSTIN) The M48T513Y/V provides an independent input which can generate an output reset. The duration and function of this reset is identical to a reset gen- erated by a power cycle. Table 13 and Figure 14 illustrate the AC reset characteristics of this func- tion ...
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... Alarm Flag WDS = Watchdog Steering Bit BMB0-BMB4 = Watchdog Multiplier Bits RB0-RB1 = Watchdog Resolution Bits AFE = Alarm Flag Enable ABE = Alarm in Battery Back-up Mode Enable RPT1-RPT5 = Alarm Repeat Mode Bits WDF = Watchdog Flag M48T513Y, M48T513V Function/Rang e BCD Format Year 00-99 Month 01-12 Date 01-31 ...
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... M48T513Y, M48T513V Figure 12. Alarm Interrupt Reset Waveform AD0-AD7 ACTIVE FLAG BIT IRQ/FT Figure 13. Back-up Mode Alarm Waveforms PFD (max) V PFD (min AFE bit in Interrupt Register AF bit in Flags Register IRQ/FT HIGH-Z 14/23 15ns Min ADDRESS 1FF0h HIGH-Z tREC AI02581 HIGH-Z AI01678C ...
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... POWER-ON DEFAULTS Upon application of power to the device, the fol- lowing register bits are set to a ’0’ state: WDS, BMB0-BMB4, RB0,RB1, AFE, ABE and FT. M48T513Y, M48T513V Alarm Activated Once per Second Once per Minute Once per Hour Once per Day ...
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... M48T513Y, M48T513V Figure 14. RSTIN Timing Waveform RSTIN RST Table 13. Reset AC Characteristics ( 3. Symbol Parameter t RSTIN Low to RST Low R (1) RSTIN High to RST Hi-Z t RHRZ Note 5pF (see Figure 5) L Figure 15. Supply Voltage Protection 0.1 F DEVICE V SS ...
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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 15. Revision History Date April 2000 Chipset datasheet First Issue 06/20/00 From Preliminary Data to data Sheet M48T513Y, M48T513V M48T513Y - Revision Details 17/23 ...
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... M48T513Y, M48T513V Table 16. PMDIP32 - 32 pin Plastic Module DIP, Package Mechanical Data Symb Typ 42.42 E 18. 34.29 eA 14. Figure 16. PMDIP32 - 32 pin Plastic Module DIP, Package Outline Drawing is not to scale. 18/23 mm Min Max Typ 9.27 9.52 0.38 – 0.43 0.59 0.20 0.33 43.18 18.80 2.29 2.79 41.91 16.00 3.05 3.81 1.91 2. inches Min Max 0 ...
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... Drawing is not to scale. mm Min Max Typ 1.20 0.05 0.15 0.95 1.05 0.30 0.52 0.12 0.21 0.10 21.08 – – 0.050 11.96 10.29 0.40 0. M48T513Y, M48T513V inch Min Max 0.047 0.002 0.006 0.037 0.041 0.012 0.020 0.005 0.008 0.004 0.820 0.830 – – 0.455 0.471 0.395 0.405 0.016 0.024 TSOP-d 19/23 ...
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... M48T513Y, M48T513V Table 18 4-pin SNAPHAT Housing for 48 mAh Battery & Crystal, Package Mechanical Data Symb Typ 21.21 E 14.22 eA 15. Figure 18 4-pin SNAPHAT Housing for 48 mAh Battery & Crystal, Package Outline eA D Drawing is not to scale. 20/23 mm Min Max Typ 9 ...
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... Figure 19 4-pin SNAPHAT Housing for 120 mAh Battery & Crystal, Package Outline eA D Drawing is not to scale. mm Min Max Typ 10.54 8.00 8.51 7.24 8.00 0.38 0.46 0.56 21.84 18.03 15.95 3.20 3.61 2.03 2. M48T513Y, M48T513V inches Min Max 0.415 0.315 .0335 0.285 0.315 0.015 0.018 0.022 0.835 0.860 0.680 .0710 0.612 0.628 0.126 0.142 0.080 0.090 SHTK-A ...
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... M48T513Y, M48T513V Table 20. SOH44 - 44 lead Plastic Small Outline, 4-socket battery, SNAPHAT, Package Mechanical Data Symb Typ 17. 0. 11. Figure 20. SOH44 - 44 lead Plastic Small Outline, 4-socket battery, SNAPHAT, Package Outline SOH-A Drawing is not to scale. 22/23 mm Min Max Typ 3 ...
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... All other names are the property of their respective owners. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A . 2000 STMicroelectronics - All Rights Reserved http://w ww.st.com M48T513Y, M48T513V 23/23 ...