93LC46/P

5VDC, CMOS Logic, 8-Pin Plastic DIP, Microchip Technology 93LC46/P low-voltage 1K-bit (128x8 or 64x16 selectable configuration) serial electrically erasable programmable read-only memory (EEPROM) microchip featuring a 3-wire Microwire industrial interface; widely used for non-volatile configuration storage, parameter tuning variables, and device calibration profiles in consumer electronics and automotive controls