M48T201Y M48T201V
5.
0 or 3.
3 V TIMEKEEPER® supervisor
Features
■ Converts low power SRAM into NVRAMs
■ Year 2000 compliant
■ Battery low flag
■ Integrated real time clock, power-fail control circuit, battery and crystal
■ Watchdog timer
■ Choice of write protect
voltages (VPFD = power-fail deselect
voltage): – M48T201Y: VCC = 4.
5 to 5.
5 V 4.
1V ≤ VPFD ≤ 4.
5 V – M48T201V: VCC = 3.
0 to 3.
6 V 2.
7 V ≤ VPFD ≤ 3.
0 V
■ Microprocessor power-on reset (valid even during battery backup mode)
■ Programmable alarm output active in the battery backed-up mode
■ Packaging includes a 44-lead SOIC and SNAPHAT® top (to be ordered separately)
■ SOIC package provides direct connection for a SNAPHAT® top which co...