Check the listing for details. 1 PCS P87C51UBAA PLCC-44 P87C51 80C51 8-Bit Microcontroller Chip IC MCU. Condition: New. Listed at 5.99 USD. == welcome to icmarket2009 == Item Description Parts NO.: P87C51UBAA Package: PLCC-44 Quantity: 1 PCS a lot 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless low voltage 2.7V.5.5V, low power, high speed 33 MHz For more quantity, Please contact us Payment Information · We accept Paypal payment only. · Shipping cost cannot be combined. · 1) Economy International Shipping is without a tracking number.· 2) If you need a tracking number , please choose the Standard Int'l Shipping,it use Registered airmail ,have a tracking number ! Shipping Information · Items will be ship within 1-2 days of payment received. · Items ship from Hongkong/China 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