NXP Semiconductors.
Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus
Philips Electronics
256 × 8-bit CMOS EEPROM with I2C-bus interface
NXP Semiconductors.
SPI Real time clock/calendar
NXP Semiconductors.
Remote 8-bit I/O expander for I2C-bus with interrupt
NXP Semiconductors.
SPI Real time clock/calendar
Philips Electronics
256 × 8-bit CMOS EEPROM with I2C-bus interface
NXP Semiconductors.
SPI Real time clock/calendar
Philips Electronics
80×128 pixels matrix LCD driver
