(China (Mainland))
Product Summary
The M48T212V85MH1 is a 5.0V or 3.3V TIMEKEEPER supervisor. It is self-contained device that includes a real time clock (RTC), programmable alarms, a watchdog timer, and two external chip enable outputs which provide control of up to four (two in parallel) external low-power static RAMs.
Parametrics
M48T212V85MH1 absolute maxing ratings: (1)TA Ambient Operating Temperature: 0 to 70℃; (2)TSTG Storage Temperature: SNAPHAT: -40 to 85℃; SOIC: -55 to 125℃; (3)TSLD Lead Solder Temperature for 10 seconds: 260℃; (4)VIO Input or Output Voltage: -0.3 to VCC + 0.3 V; (5)VCC Supply Voltage: -0.3 to 4.6 V; (6)IO Output Current: 20 mA; (7)PD Power Dissipation: 1 W.
Features
M48T212V85MH1 features: (1)integrated real time clock, powerfail control circuit, battery and crystal; (2)converts low power sram into nvrams; (3)year 2000 compliant (4-digit year); (4)battery low flag; (5)microprocessor power-on reset; (6)programmable alarm output active in the battery backed-up mode; (7)watchdog timer; (8)automatic power-fail chip deselect and write protection.
Diagrams
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