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    首頁產(chǎn)品索引MCP79521

    MCP79521

    購買收藏
    SPI GP RTCC, 2Kb EE, 64B SRAM, EUI-48

     

    產(chǎn)品信息

    The MCP79521 SPI RTCC is highly integrated with memory and advanced features normally found in higher priced devices. By starting with a basic real-time clock, digital trimming was added for higher accuracy, a battery switchover for backup power, a timestamp to log power failures and three types of memory, which includes SRAM, EEPROM and a unique ID in a locked section of EEPROM. This ID is preprogrammed with a 48-bit MAC Address, but it can also be ordered blank for the end user to program.

    General purpose SPI RTCC with features that target low power, security & communicationsapplications.

      Low Power Operation

      VCC Min = 1.8V

      Icc

      Low Backup Power

      VBAT Min = 1.3V

      Ibat

      Automatic Battery Switchover with Timestamp

      VCC to VBAT (VCC Lost)

      VBAT to VCC (VCC Restored)

      Dual configurable alarms with a 0.01 sec count on one alarm

      IRQ (VCC or VBAT)

      Clock Out frequencies: 32.768, 8.192 & 4.096 KHz and 1 Hz

      Digital Trimming Range from -255 to + 255 ppm in 1 ppm steps

      Adjusts up to 22 seconds/day

      EEPROM has 8 Bytes/Page with Block Sector write protection

      Protect: None, 1/4, 1/2 or all of array

      Factory standard MAC address programming or custom ID available

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    型號(hào)制造商描述購買
    MCP79521-I/MSAmphenol AerospaceCTV19C19#12SKTRECP 立即購買
    MCP79521T-I/MSPanasonic排阻/電阻網(wǎng)絡(luò) 0606 2KΩ ±5% ±200ppm/℃ 立即購買
    MCP79521T-I/MNPanasonic排阻/電阻網(wǎng)絡(luò) RA_0603X2 1.6KΩ ±5% ±200ppm/℃ 立即購買

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