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| Item number:
2794E-9126943 Manufacturer no.:
MCP7940M-I/SN EAN/GTIN:
5059040131439 |
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| MCP7940M I²C Real-Time Clock/Calendars. The Microchip MCP7940M is Real-Time Clock Calendar (RTCC) that supports I²C communications. The MCP7940M includes a digital trimming circuit for accuracy which can compensate for crystal tolerance and temperature. The MCP7940M features a multi-functional output that can be configured as an alarm output, to output a selectable frequency square wave or as a general purpose output. Features. 2-Wire Serial Interface, I²C™ Compatible: I²C clock rate up to 400 kHz On-Chip Digital Trimming/Calibration: ±1 ppm resolution, ±129 ppm range Tracks Hours, Minutes, Seconds, Day of Week, Day, Month and Year Leap Year Compensated to 2399 12/24 Hour Modes Oscillator for 32.768 kHz Crystals: Optimised for 6-9 pF crystals Dual Programmable Alarms Versatile Output Pin Wide Operating Voltage Range: 1.8V to 5.5V Low Typical Timekeeping Current: 1.2μA at 3.3V More information: | | Functions: | Calendar, NV SRAM | Date Format: | DW:DM:M:Y | Time Format: | HH:MM:SS | User RAM: | 64B | Bus Type: | Serial-I2C | Mounting Type: | Surface Mount | Package Type: | SOIC | Pin Count: | 8 | Dimensions: | 4.9 x 3.9 x 1.25mm | Length: | 4.9mm | Width: | 3.9mm | Height: | 1.25mm | Maximum Operating Supply Voltage: | 5.5 V | Maximum Operating Temperature: | +85 °C | Minimum Operating Supply Voltage: | 1.8 V |
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| Other search terms: RTC, Exact time clock, Exact time clocks, NV RAM, NVRAM, NVRAM memory, NVSRAM, NVSRAM memory, S-RAM support-IC, SRAM, real-time clock, 9126943, Semiconductors, Clock, Timing & Frequency ICs, Real Time Clocks, Microchip, MCP7940MISN |
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