Real Time Clocks (RTCs) provide time and/or date information in almost any electronic device which needs to keep accurate time. The clock types are binary counter, clock/calendar/supervisor, elapsed time counter, phantom time chip, portable system controller, temperature recorder, time event recorder, and timer clock peripheral. They contain memory sizes ranging from 2 B to 2 MB and have interface options of I2C, Parallel, Serial, SPI, 1-Wire, 2-Wire, 3-Wire, and 4-Wire.
Part # | Manufacturer | Description | Availability | Pricing | Quantity |
---|---|---|---|---|---|
MCP795W10-I/STReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14TSSOP | 2359 | 1+: $1.32013 10+: $1.25538 30+: $1.21653 96+: $1.16778 480+: $1.14950 960+: $1.14188 | |
![]() MCP795W11-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | 2 | 1+: $1.85000 | |
MCP795W11-I/STReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14TSSOP | 190 | 1+: $1.89000 10+: $1.75000 100+: $1.66250 | |
![]() MCP795W12-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | 887 | 1+: $1.85000 10+: $1.71000 100+: $1.62000 | |
![]() MCP795W21-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | 57 | 1+: $1.94000 10+: $1.80000 100+: $1.71250 | |
![]() MCP795W11T-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | In Stock | 1+: $1.62001 | |
MCP795W11T-I/STReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14TSSOP | In Stock | 1+: $1.66250 | |
![]() MCP795W12T-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | In Stock | 1+: $1.62001 | |
MCP795W12T-I/STReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14TSSOP | In Stock | 1+: $1.66250 | |
![]() MCP795W20T-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | In Stock | 1+: $1.62001 | |
![]() MCP795W21T-I/SLReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 14SOIC | In Stock | 1+: $1.71250 | |
![]() RX-4803LC:UA PURE SNReal Time Clocks ICs | Epson | IC RTC CLK/CALENDAR SPI 12VSOJ | In Stock | 1+: $12.11680 | |
MCP7940M-I/PReal Time Clocks ICs | Microchip Technology | IC RTC CLOCK/CALENDAR I2C 8DIP | 851 | 1+: $0.74000 10+: $0.68000 100+: $0.66250 | |
MCP79510-I/MSReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 2584 | 1+: $1.29000 10+: $1.20000 100+: $1.13000 | |
MCP79512-I/MSReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 2679 | 1+: $1.39000 10+: $1.28000 100+: $1.22000 | |
MCP79520-I/MSReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 17387 | 1+: $1.39000 10+: $1.28000 100+: $1.22000 | |
MCP79521-I/MSReal Time Clocks ICs | Microchip Technology | IC RTC CLK/CALENDAR SPI 10MSOP | 330 | 1+: $2.37470 10+: $2.31840 30+: $2.28197 | |
DS1683S+Real Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC ELAPSED CNT I2C 8SOIC | 71 | 1+: $4.37230 10+: $3.92324 100+: $3.30876 1000+: $3.14332 | |
![]() M41T00CAPPC1Real Time Clocks ICs | STMicroelectronics | IC RTC CLK/CALENDAR I2C 24-DIP | 153 | 8+: $7.43060 18+: $6.09700 28+: $5.90640 39+: $5.71600 50+: $5.52530 67+: $4.95380 | |
![]() DS1339BU+Real Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLOCK/CALENDAR I2C 8UMAX | 1189 | 1+: $3.79304 10+: $3.40350 100+: $2.87042 1000+: $2.72690 | |
![]() DS1339BU+TReal Time Clocks ICs | Analog Devices Inc./Maxim Integrated | IC RTC CLOCK/CALENDAR I2C 8UMAX | 3000 | 1+: $1.78517 10+: $1.74211 30+: $1.71396 100+: $1.55094 | |
![]() DP8573AVReal Time Clocks ICs | Texas Instruments | IC RTC CLK/CALENDAR PAR 28PLCC | In Stock | - | |
![]() DP8573AVXReal Time Clocks ICs | Texas Instruments | IC RTC CLK/CALENDAR PAR 28PLCC | In Stock | - | |
![]() DP8570AVXReal Time Clocks ICs | Texas Instruments | IC RTC TIMER PERIPH PAR 28PLCC | In Stock | - | |
![]() DP8570AVReal Time Clocks ICs | Texas Instruments | IC RTC TIMER PERIPH PAR 28PLCC | In Stock | - |