
NXP Semiconductors.
Bootable CPU RTC with two I2C buses, 128 byte SRAM and alarm function

NXP Semiconductors.
Universal LCD driver for low multiplex rates

NXP Semiconductors.
SPI Real time clock/calendar

NXP Semiconductors.
Universal LCD driver for low multiplex rates

Philips Electronics
256 x 8-bit CMOS EEPROMS with I2C-bus interface

NXP Semiconductors.
SPI Real time clock/calendar

Integrated Circuit Systems
256 to 1024×8-bit CMOS EEPROMs with I2C-bus interface