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Micro Crystal AG
Serial Address
Microchip Technology
Serial Address
 
NJR Corporation/NJRC
Serial Address

Serial Address

Microchip Technology

Microchip supports a wide range of Real-Time Clocks from basic low cost devices to a variety of mid-range devices that are highly integrated with a usable amount of non-volatile memory and a combination of features that are very effective when operating within a single battery backed clock device. With, both I²C™ and SPI RTCs available, various applications can be supported at a price that is lower than competitive devices with fewer features and lower performance.

Specifications
  • Date Format:YY-MM-DD-dd
  • Type:Clock/Calendar
Parts

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MCP7940NT-I/SNMCP7940NT-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP7940NT-I/MSMCP7940NT-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79410T-I/SNMCP79410T-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79410T-I/MSMCP79410T-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79410-I/SNMCP79410-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79412-I/SNMCP79412-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79510T-I/MSMCP79510T-I/MSIC RTC CLK/CALENDAR SPI 10-MSOP Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)10-TFSOP, 10-MSOP (0.118", 3.00mm Width)RoHS
MCP79510-I/MSMCP79510-I/MSIC RTC CLK/CALENDAR SPI 10-MSOP Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)10-TFSOP, 10-MSOP (0.118", 3.00mm Width)RoHS
MCP7940NT-E/SNMCP7940NT-E/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP7940NT-E/MSMCP7940NT-E/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79400T-I/MSMCP79400T-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP7940N-I/MSMCP7940N-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP7940N-E/SNMCP7940N-E/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79410T-I/STMCP79410T-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP79411T-I/SNMCP79411T-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79410T-I/MNYMCP79410T-I/MNYIC RTC CLK/CALENDAR I2C 8-TDFN Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-WFDFN Exposed PadRoHS
MCP79410-I/STMCP79410-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP79410-I/MSMCP79410-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79411-I/SNMCP79411-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79411-I/MSMCP79411-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79520-I/MSMCP79520-I/MSIC RTC CLK/CALENDAR SPI 10-MSOP Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)10-TFSOP, 10-MSOP (0.118", 3.00mm Width)RoHS
MCP795W10-I/STMCP795W10-I/STIC RTC CLK/CALENDAR SPI 14-TSSOPClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-TSSOP (0.173", 4.40mm Width)RoHS
MCP795W20-I/SLMCP795W20-I/SLIC RTC CLK/CALENDAR SPI 14-SOIC Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-SOIC (0.154", 3.90mm Width)RoHS
MCP795W12-I/SLMCP795W12-I/SLIC RTC CLK/CALENDAR SPI 14-SOIC Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-SOIC (0.154", 3.90mm Width)RoHS
MCP795W11-I/STMCP795W11-I/STIC RTC CLK/CALENDAR SPI 14-TSSOPClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-TSSOP (0.173", 4.40mm Width)RoHS
MCP795W20-I/STMCP795W20-I/STIC RTC CLK/CALENDAR SPI 14-TSSOPClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-TSSOP (0.173", 4.40mm Width)RoHS
MCP795W21-I/SLMCP795W21-I/SLIC RTC CLK/CALENDAR SPI 14-SOIC Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-SOIC (0.154", 3.90mm Width)RoHS
MCP795W22-I/SLMCP795W22-I/SLIC RTC CLK/CALENDAR SPI 14-SOIC Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-SOIC (0.154", 3.90mm Width)RoHS
MCP7940MT-I/MSMCP7940MT-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP7940MT-I/MNYMCP7940MT-I/MNYIC RTC CLK/CALENDAR I2C 8-TDFN Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-WFDFN Exposed PadRoHS
MCP7940NT-I/MNYMCP7940NT-I/MNYIC RTC CLK/CALENDAR I2C 8-TDFN Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-WFDFN Exposed PadRoHS
MCP79400T-I/SNMCP79400T-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79412T-I/MNYMCP79412T-I/MNYIC RTC CLK/CALENDAR I2C 8-TDFN Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-WFDFN Exposed PadRoHS
MCP795W21-I/STMCP795W21-I/STIC RTC CLK/CALENDAR SPI 14-TSSOPClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-TSSOP (0.173", 4.40mm Width)RoHS
MCP7940M-I/SNMCP7940M-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP7940M-I/PMCP7940M-I/PIC RTC CLK/CALENDAR I2C 8DIP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-DIP (0.300", 7.62mm)RoHS
MCP7940N-I/PMCP7940N-I/PIC RTC CLK/CALENDAR I2C 8DIP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-DIP (0.300", 7.62mm)RoHS
MCP79400-I/SNMCP79400-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79511-I/MSMCP79511-I/MSIC RTC CLK/CALENDAR SPI 10-MSOP Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)10-TFSOP, 10-MSOP (0.118", 3.00mm Width)RoHS
MCP79522-I/MSMCP79522-I/MSIC RTC CLK/CALENDAR SPI 10-MSOP Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)10-TFSOP, 10-MSOP (0.118", 3.00mm Width)RoHS
MCP7940N-E/MSMCP7940N-E/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79400-I/STMCP79400-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP79400-I/MSMCP79400-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79402-I/SNMCP79402-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79401-I/SNMCP79401-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP79402-I/STMCP79402-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP79401-I/MSMCP79401-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79412-I/MSMCP79412-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP79411-I/STMCP79411-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP79512-I/MSMCP79512-I/MSIC RTC CLK/CALENDAR SPI 10-MSOP Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)10-TFSOP, 10-MSOP (0.118", 3.00mm Width)RoHS
MCP79521-I/MSMCP79521-I/MSIC RTC CLK/CALENDAR SPI 10-MSOP Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS:hh (12/24 hr)10-TFSOP, 10-MSOP (0.118", 3.00mm Width)RoHS
MCP795W10-I/SLMCP795W10-I/SLIC RTC CLK/CALENDAR SPI 14-SOIC Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-SOIC (0.154", 3.90mm Width)RoHS
MCP795W22-I/STMCP795W22-I/STIC RTC CLK/CALENDAR SPI 14-TSSOPClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-TSSOP (0.173", 4.40mm Width)RoHS
MCP79401-I/STMCP79401-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP79412-I/STMCP79412-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64B, 1KbHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP7940MT-I/SNMCP7940MT-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP7940MT-I/STMCP7940MT-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP7940NT-I/STMCP7940NT-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP795W11-I/SLMCP795W11-I/SLIC RTC CLK/CALENDAR SPI 14-SOIC Clock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-SOIC (0.154", 3.90mm Width)RoHS
MCP795W12-I/STMCP795W12-I/STIC RTC CLK/CALENDAR SPI 14-TSSOPClock/CalendarAlarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer64BHH:MM:SS:hh (12/24 hr)14-TSSOP (0.173", 4.40mm Width)RoHS
MCP7940N-I/SNMCP7940N-I/SNIC RTC CLK/CALENDAR I2C 8-SOIC Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-SOIC (0.154", 3.90mm Width)RoHS
MCP7940M-I/STMCP7940M-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP7940M-I/MSMCP7940M-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS
MCP7940N-I/STMCP7940N-I/STIC RTC CLK/CALENDAR I2C 8-TSSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM64BHH:MM:SS (12/24 hr)8-TSSOP (0.173", 4.40mm Width)RoHS
MCP79402-I/MSMCP79402-I/MSIC RTC CLK/CALENDAR I2C 8-MSOP Clock/CalendarAlarm, Leap Year, Square Wave Output, SRAM, Unique ID64BHH:MM:SS (12/24 hr)8-TSSOP, 8-MSOP (0.118", 3.00mm Width)RoHS

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