Eprom 27C64 8K x 8 Bit Parallell EPROM. 27C128 16K x 8 Bit Parallell EPROM. 27C256 32K x 8 Bit Parallell EPROM. 27C512 64K x 8 Bit Parallell EPROM. 27C010 128K x 8 Bit Parallell EPROM. 27C020 256K x 8 Bit Parallell EPROM. 27C040 512K x 8 Bit Parallell EPROM.
