You can easily use a PC's printer port for serial-EEPROM programming. You can use a device-programmer circuit used to program the MicroWire serial EE-PROM 93CXX (Figure 1). The circuit is so simple ...
GigaDevice Semiconductor’s GD24CL Series I²C EEPROM runs at 1 MHz with capacities up to 512 kb. Data retention is over 100 years. The family supports operating voltages from 1.7 to 5.5 V. The EEPROM ...