M5218
Mitsubishi
M5218 Dual Operational Amplifier by Mitsubishi (zip-8): datasheet PDF, pinout and specifications.
Operational Amplifiers zip-8
Mitsubishi Electric is a Japanese industrial conglomerate whose semiconductor business makes IGBT and intelligent power modules, RF and optical devices. Its earlier IC and microcontroller lines were merged into Renesas in 2003.

M5218 Dual Operational Amplifier by Mitsubishi (zip-8): datasheet PDF, pinout and specifications.
M52340SP PAL/NTSC SYSTEM SHINGLE-CHIP COLOR TV SIGNAL PROCESSOR by Mitsubishi (DIP 52 Pin Type): datasheet PDF, pinout and specifications.