M48T201Y
M48T201Y is 3.3V-5V TIMEKEEPER CONTROLLER manufactured by STMicroelectronics.
Features
- Converts low power SRAM into NVRAMs
- Year 2000 pliant
- 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 contains the battery and crystal
- Ro HS pliant
- Lead-free second level interconnect
SNAPHAT® (SH) crystal/battery
44 1
SOH44 (MH) 44-pin SOIC
March 2009
Rev 7
1/37
.st.
Contents
Contents
M48T201Y, M48T201V
1 Description
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