Part Number	Manufacturer / Brand	Brife Description
PCF8591T/2,518	NXP USA Inc.	IC ADC/DAC 8-BIT I2C 16-SOIC
PCF8593P,112	NXP USA Inc.	IC RTC CLOCK/CALENDAR I2C 8-DIP
PCF8593T/1,118	NXP USA Inc.	IC RTC CLOCK/CALENDAR I2C 8-SOIC
PCF8594C-2P/02,112	NXP USA Inc.	IC EEPROM 4K I2C 100KHZ 8DIP