You're bidding here on an unused PROMs MH74S287. This listing is for one PROM (1pc).

These devices require a >1 millisecond programming pulse, similar to the Texas Instruments SN74S287. They may not be compatible with some PROM programming devices.

List of my previous sales of this item:

User ID Qty Purchased Location Feedback
sira201110 10 Aug-11-16Japan very good seller! thanks!!
commander_zod 20May-10-14Germany ok

ltombini 5Mar-25-14Italy AAAAA++++ All perfect very fast shipping
e666c725c 20Feb-15-14 GermanyExcellent seller, very fast shipping

el3ctrosales 5 Aug-25-13 Romania Thank you. Great seller.Hope to do business with you again. A+++++++++++++++
cfsaw 6May-03-13United States Great Seller...Quick Ship...Good Communication...Highly recommended...A+++++
markg2911 6 Feb-18-13 Australia Received with Thanks!!
gr8void 5 Feb-04-13 U. Kingdom Quick delivery, good communication, pleasure doing business, thanks!
pci55 2 Dec-25-12 France envoi rapide, et serieux, merci, ebayeur++++++++
recorder416 2 Nov-23-12 U. Kingdom Very good transaction

Please do visit also my eBay store Member has an eBay Storeelebcz to see the other items you could be interested in. Items will be shipped by a priority airmail. Typical delivery times are: Europe (All countries) 7...10 days. All other destinations (North and South America, Asia, Africa, etc.) 10...15 days. For some destinations which are very far from Europe shipment may take a couple of days more. These destinations include countries like New Zealand, Hong Kong, Korea, Japan, etc.