Pending
Microchip Further Expands Stand-Alone Real-Time Clock Calendar Device Family
Microchip announces the expansion of its family of stand-alone Real-Time Clock/Calendar (RTCC) family with the I2C MCP7940M RTCC device. This new device is designed for the price-competitive consumer products market, and includes 64 Bytes of SRAM as additional scratchpad memory, as well as a digital-trimming circuit that can compensate up to 11 seconds per day for crystal error. The MCP7940M devices provide accurate timekeeping at a low cost for applications in the home-appliance; audio/video; and consumer-electronic markets, among others.
Following the launches of Microchip’s stand-alone I2C MCP79410 and SPI MCP795WXX/BXX RTCC devices in 2010 and 2011, respectively, the MCP7940M device has a simple feature set that meets the needs of the high-volume segment of the RTCC device market. Microchip now has stand-alone RTCC devices for the low, mid and upper-mid ranges of this market. The on-chip digital trimming circuit has a wide trimming range of +/-127 ppm, enabling designers to select lower-quality crystals for their designs to reduce overall system costs.Microchip’s MCP79410 RTCC PICtail™ Plus Daughter Board (part # AC164140, $45) is available, today. The board works with Microchip’s Explorer 16 Development Board (part # DM240001), PIC18 Explorer Board (part # DM183032), PICkit™ Serial Analyzer (part # DV164122), and XLP 16-bit Development Board (part # DM240311).
The MCP7940M RTCC is available today in 8-pin MSOP, PDIP, SOIC, TSSOP and 2 mm x 3 mm TDFN packages.
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