30 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
Condition:
NewNew
IC Generic Number: 28C256. Can be used to replace the old 27256 EPROM with a few pin changes. (Details supplied on request). IC Interface Type: Parallel. Interface: Parallel. of Pins: 28. Base Number: 28.