The package is SOIC-shaped. There are 8 I/Os. 1kB is the size of the memory in the IC part. There is EEPROM memory on this piece of equipment. It has 8 Programmable Input/Output pins that can be programmed.
ACE1001EM8X Features
SOIC package Minimum temperature of -40°C
ACE1001EM8X Applications
There are a lot of ON Semiconductor ACE1001EM8X Microcontroller applications.