Check the listing for details. 5 PCS AT89C52-24PI DIP40 89C52 8-Bit Microcontroller with 8K Bytes Flash Chip IC. Condition: New. Listed at 6.25 USD. Welcome to our Store Item Description Parts NO.:AT89C52-24PI Package:DIP-40Quantity:5 PCS a lot8-Bit Microcontroller with 8K Bytes FlashIf you buy more quantity, Please contact us Payment Information· We accept Paypal payment only.· Shipping cost cannot be combined. Economy Int'l Shipping is without a tracking number. Standard Int'l Shipping use Registered airmail ,have a tracking number . Shipping Information· Items will be ship within 2 days of payment receive.· Items ship from Hongkong and it takes 10-20 working days (2-4 weeks) to receive for most area.· If you do not receive item over 30 working days (6 weeks), please contact me to investigate the case. Return Policy· Any problem or unhappy with items. You will get refund in full amount. No question ask. Contact Us· If you have any question, please contact me via ebay contact seller. wish you a happy shopping, welcome to the next visit