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M41T315W-65MQ6TR Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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M41T315W-65MQ6TR Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 30 page Not For New Design This is information on a product still in production but not recommended for new designs. November 2007 Rev 3 1/30 1 M41T315Y M41T315V, M41T315W Serial access phantom RTC supervisor Features ■ 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(a): 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 ■ RoHS compliant – Lead-free second level interconnect a. Contact local ST sales office for availability. 16 1 SO16 (MQ) SNAPHAT (SH) battery & crystal 28 1 SOH28 (MH) www.st.com |
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