Adafruit Industries Adafruit PiRTC - PCF8523 Real Time Clock for Raspberry Pi

Adafruit Industries ChronoDot - Ultra-precise Real Time Clock - v2.1

Micro Crystal Real Time Clock SMD I2C Bus 3.2x5.0mm

Micro Crystal Real Time Clock SMD I2C Bus 1.5x3.2mm

Micro Crystal Real Time Clock SMD I2C Bus 2.5x3.7mm

Micro Crystal Real Time Clock SMD SPI Bus 3.2x5.0mm

Micro Crystal Real Time Clock SMD SPI Bus 2.5x3.7mm

Micro Crystal Real Time Clock SMD I2C Bus 2.5x3.7mm

Micro Crystal Real Time Clock SMD I2C Bus 2.5x3.7mm

Micro Crystal Real Time Clock SMD SPI Bus 3.2x5.0mm

Micro Crystal Real Time Clock SMD I2C Bus 3.2x5.0mm

Micro Crystal Real Time Clock Module with I2C-Bus

Microchip Technology Inc. Microchip MCP7940M-I/P, Real Time Clock, 64B RAM Serial-I2C, 8-Pin PDIP

Microchip Technology Inc. 8 SOIC 3.90MM (.150INCH) TUBE, I2C GP RTCC, 1KB EE, 64B SRAM, ID

Microchip Technology Inc. Microchip MCP79410-I/ST, Real Time Clock, 64B RAM Serial-I2C, 8-Pin TSSOP

Microchip Technology Inc. 8 TDFN 2X3X0.8MM T/R, I2C GP RTCC, 1KB EE, 64B SRAM, ID

Microchip Technology Inc. 8 SOIC 3.90MM (.150INCH) T/R, I2C GP RTCC, 1KB EE, 64B SRAM, ID

Microchip Technology Inc. 8 MSOP 3X3MM T/R, I2C GP RTCC, 1KB EE, 64B SRAM, ID

Microchip Technology Inc. 8 TSSOP 4.4MM T/R, I2C GP RTCC, 1KB EE, 64B SRAM, ID

Microchip Technology Inc. Microchip MCP7940M-I/ST, Real Time Clock, 64B RAM Serial-I2C, 8-Pin TSSOP