Features
■ Integrated, ultra low power SRAM, real-time clock, power-fail control circuit and battery
■ BYTEWIDE™ RAM-like clock access
■ BCD coded year, month, day, date, hours, minutes, and seconds
■ Battery low flag (BOK)
■ Frequency test output for real-time clock
■ Automatic power-fail chip deselect and WRITE protection
■ WRITE protect voltage (VPFD = power-fail deselect voltage): – M48T35AV: VCC = 3.0 to 3.6 V; 2.7 V ≤ VPFD ≤ 3.0 V
■ Self-contained battery and crystal in the CAPHAT™ DIP package
■ SOIC package provides direct connection for a SNAPHAT® housing containing the battery and crystal
■ SNAPHAT® housing (battery and crystal) is replaceable