M51721L Integrated Circuit - SIP12 - Generic Make

M54548L MITSUBISHI INTEGRATED CIRCUIT SIP 'UK COMPANY SINCE 1983 NIKKO'

M51728L MITSUBISHI INTEGRATED CIRCUIT SIP-8 'UK COMPANY SINCE 1983 NIKKO'

27C020-12 Integrated Circuit - DIP32M - Generic Make

27C1024-12 Integrated Circuit - DIP40M - Generic Make

M5238L MITSUBISHI INTEGRATED CIRCUIT SIP-8 'UK COMPANY SINCE 1983 NIKKO'

M51725L INTEGRATED CIRCUIT SIP-8 'UK COMPANY SINCE 1983 NIKKO'

M54548 Integrated Circuit - ZIP12 - Generic Make