Microchip (atmel)
EPROM memory Microchip (atmel) AT27C010-70JU 1MBIT PLCC32
Atmel
EPROM memory Atmel AT27C1024-70PU 1MBIT DIP40
Stmicroelectronic
EPROM memory Stmicroelectronic M27C1001-10C6 1MBIT PLCC32
EPROM memory Stmicroelectronic M27C1001-10F1 1MBIT DIP32