The 7510 group is the 8-bit microcomputer based on the 740 family core technology. This microcomputer is equipped with added functions such as a dot matrix type LCD controller/driver built in a contrast controller and UART.
Datasheets by Manufacturer
HCPL-7510 — Agilent Technologies — Isolated Linear Sensing IC
SW-7510 — Unknown Manufacturer — QUAD SPST JFET ANALOG SWITCHES