M48T58

M48T58 Key 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
• Frequency test output for real-time clock
• Automatic power-fail chip deselect and WRITE protection
• WRITE protect voltages (VPFD = power-fail deselect voltage)
• M48T58: VCC = 4.75 to 5.5 V; 4.5 V ≤ VPFD ≤ 4.75 V
• M48T58Y: VCC = 4.5 to 5.5 V; 4.2 V ≤ VPFD ≤ 4.5 V
• Self-contained battery and crystal in the CAPHAT™ DIP package
• Packaging includes a 28-lead SOIC and SNAPHAT® top (to be ordered separately)