M27C512-90C6L Integrated Circuit - PLCC32 - ST Microelectronics - STM

M29F010B70K6 Integrated Circuit - PLCC32 - ST Microelectronics - STM

M29F010B120K1 Integrated Circuit - PLCC32 - Generic Make

29F040B-70K6 = M29F040B-70K6 STM PLCC-32 ''UK COMPANY SINCE1983 NIKKO''

M27C512-15C6 Integrated Circuit - PLCC32 - ST Microelectronics - STM

M27C4001-15C1 Integrated Circuit - PLCC32 - ST Microelectronics - STM

M2764A25F1 Integrated Circuit - DIP28 - ST Microelectronics - STM

M29F010B90K6 Integrated Circuit - PLCC32 - ST Microelectronics - STM