EPROM

Where to get them

• ebay
• http://www.buyicnow.com/

List of common parts

128 kilobit / 16kb / 8 bit

32 pin DIP package

• 27c128

256 kilobit / 32kb / 8 bit

32 pin DIP package

• 27c256

512 kilobit / 64kb / 8 bit

32 pin DIP package

• 27c512

1 megabit / 128kb / 8 bit

32 pin DIP package

• 27C1001
• 27C010

• 27c1000 - different pin-out from 27C1001/27C010

1 megabit / 128kb / 16 bit

40 pin DIP package

• 27c1024
• 27c210

Common use

• Neo Geo BIOS

2 megabit / 256kb 8 bit

32 pin DIP package

• 27c020
• 27c2001

2 megabit / 256kb 8 and 16 bit

40pin DIP package

• 27c2001

4 megabit / 512kb / 8 bit

32pin DIP package

• 27c040
• 27c4001

4 megabit / 512kb / 8 and 16 bit

40pin DIP package

• 27c400
• 27c402

4 megabit / 512kb / 16 bit

40pin DIP package

• 27c240
• 27c4002
• 27c4096

Common use

Main program on CPS2

8 megabit / 1024kb / 8 bit

32pin DIP package

• 27c080
• 27c801

8 megabit / 1024kb / 8 or 16 bit

42pin DIP package

• 27c800

16 megabit / 2048kb / 8 or 16 bit

42pin DIP package

• 27c160

Common use

• Naomi 1 & 2 BIOS

32 megabit / 4096kb / 16 bit

42pin DIP package

• 27c322