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M48T212Y-85MH6E Datasheet(PDF) 1 Page - STMicroelectronics |
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M48T212Y-85MH6E Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 32 page 1/32 April 2004 M48T212Y M48T212V 5.0V or 3.3V TIMEKEEPER® Supervisor FEATURES SUMMARY ■ INTEGRATED REAL TIME CLOCK, POWER- FAIL CONTROL CIRCUIT, BATTERY AND CRYSTAL ■ CONVERTS LOW POWER SRAM INTO NVRAMs ■ YEAR 2000 COMPLIANT (4-Digit Year) ■ BATTERY LOW FLAG ■ MICROPROCESSOR POWER-ON RESET ■ PROGRAMMABLE ALARM OUTPUT ACTIVE IN THE BATTERY BACKED-UP MODE ■ WATCHDOG TIMER ■ AUTOMATIC POWER-FAIL CHIP DESELECT AND WRITE PROTECTION ■ CHOICE OF WRITE PROTECT VOLTAGES (VPFD = Power-fail Deselect Voltage): – M48T212Y: VCC = 4.5 to 5.5V 4.2V ≤ VPFD ≤ 4.5V – M48T212V: VCC = 3.0 to 3.6V 2.7V ≤ VPFD ≤ 3.0V ■ PACKAGING INCLUDES A 44-LEAD SOIC AND SNAPHAT® TOP (to be ordered separately) Figure 1. 44-pin SOIC Package SOH44 (MH) SNAPHAT (SH) Crystal/Battery 44 1 |
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