M48T58
M48T58 is 64 Kbit (8 Kb x 8) TIMEKEEPER SRAM manufactured by STMicroelectronics.
M48T58 M48T58Y
5.0 V, 64 Kbit (8 Kb x 8) TIMEKEEPER® SRAM
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)
- SOIC package provides...
