Datasheet Microchip MCP795W12T-I/ST | Manufacturer | Microchip | | Series | MCP795W12 | | Part Number | MCP795W12T-I/ST |
The MCP795W12 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices Datasheets- Download » Datasheet, PDF, 875 Kb, 06-21-2016
MCP795W1X/MCP795W2X SPI RTCC with Enhanced Features and Battery Switchover
Docket ↓MCP795W1X/MCP795W2X
Battery-Backed SPI Real-Time Clock/Calendar with Enhanced Features
Device Selection Table User Memory Part Number EEPROM
(Kbits) Protected
EEPROM MCP795W10 1 Blank MCP795W20 2 Blank MCP795W11 1 EUI-48â„¢ MCP795W21 2 EUI-48â„¢ MCP795W12 1 EUI-64â„¢ MCP795W22 2 EUI-64â„¢ 64-Byte Battery-Backed SRAM 1 Kbit or 2 Kbit EEPROM:
-Software write-protect
-Page write up to 8 bytes
-Endurance: 1M erase/write cycles 128-Bit Protected EEPROM Area:
-Robust write unlock sequence
-EUI-48â„¢ MAC address (MCP795WX1)
-EUI-64â„¢ MAC address (MCP795WX2) Timekeeping Features Real-Time Clock/Calendar (RTCC):
-Hours, minutes, seconds, hundredth of
seconds, day of week, date, month, year
-Leap year compensated to 2399
-12/24-hour modes Oscillator for 32.768 kHz Crystals:
-Optimized for 6-9 pF crystals On-Chip Digital Trimming/Calibration:
-±1 ppm resolution
-±259 ppm range Dual Programmable Alarms Clock Output Function with Selectable Frequency Power-Fail Timestamp:
-Time logged on switchover to and from Battery
mode Low-Power Features Wide Voltage Range:
-Operating voltage range of 1.8V to 3.6V
-Backup voltage range of 1.3V to 3.6V Low Typical Timekeeping Current:
-Operating from VCC: 1.2 µA at 3.0V ...
PricesStatus| Lifecycle Status | Production (Appropriate for new designs but newer alternatives may exist) |
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PackagingParametrics| 32KHz Boot Clock | NO |
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| Alarms | 2 Alarms (0.01sec) |
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| Digital_Trimming | -255 to +255ppm (1 ppm steps) |
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| EEPROM | 1 Kbits |
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| Event Detects | 2 |
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| Ibat Current | 700 nA |
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| Interface | SPI |
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| Operating Temperature Range | -40 to +85 °C |
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| Outputs | IRQ WDO CLKOUT |
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| Power-Fail Timestamp | VCC Fail and VCC Restore |
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| Temperature Range | -40 to +85 |
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| Unique ID | EUI-64 MAC_Address |
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| User SRAM | 64 Bytes |
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| Vbat Range | 1.3 - 3.6 V |
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| Vcc Range | 1.8 - 3.6 V |
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| Watchdog Timer | Yes |
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Eco PlanOther OptionsMCP795W10 MCP795W11 MCP795W20 MCP795W21 MCP795W22 Moldel LineSeries: MCP795W12 (4) Manufacturer's Classification- Clock and Timing > Real-Time Clock > RTCC SPI
Other Names:MCP795W12TI/ST, MCP795W12T I/ST |
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