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M41T315Y-65MH6E Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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M41T315Y-65MH6E Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 24 page 1/24 June 2004 M41T315Y* M41T315V/W Serial Access Phantom RTC Supervisor * Contact Local Sales Office FEATURES SUMMARY ■ 3.0V, 3.3V, OR 5V OPERATING VOLTAGE ■ REAL TIME CLOCK KEEPS TRACK OF TENTHS/HUNDREDTHS OF SECONDS, SECONDS, MINUTES, HOURS, DAYS, DATE OF THE MONTH, MONTHS, AND YEARS ■ AUTOMATIC LEAP YEAR CORRECTION VALID UP TO 2100 ■ AUTOMATIC SWITCH-OVER AND DESELECT CIRCUITRY ■ CHOICE OF POWER-FAIL DESELECT VOLTAGES: (VPFD = Power-fail Deselect Voltage) – M41T315Y: VCC = 4.5 to 5.5V 4.25V ≤ VPFD ≤ 4.50V – M41T315V: VCC = 3.0 to 3.6V 2.80V ≤ VPFD ≤ 2.97V – M41T315W: VCC = 2.7 to 3.3V 2.60V ≤ VPFD ≤ 2.70V ■ NO ADDRESS SPACE REQUIRED TO COMMUNICATE WITH RTC ■ PROVIDES NONVOLATILE SUPERVISOR FUNCTIONS FOR BATTERY BACKUP OF SRAM ■ FULL ±10% VCC OPERATING RANGE ■ INDUSTRIAL OPERATING TEMPERATURE RANGE (–40 to +85°C) ■ ULTRA-LOW BATTERY SUPPLY CURRENT OF 500nA (max) ■ OPTIONAL PACKAGING INCLUDES A 28- LEAD SOIC and SNAPHAT® TOP (to be ordered separately) ■ SNAPHAT PACKAGE PROVIDES DIRECT CONNECTION FOR A SNAPHAT TOP, WHICH CONTAINS THE BATTERY AND CRYSTAL Figure 1. 16-pin SOIC Package Figure 2. 28-pin SOIC Package 16 1 SO16 (MQ) 28 1 SOH28 (MH) SNAPHAT (SH) Battery/Crystal |
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