Here is a lot of 19 pieces of K561KT3, clone of the CD4066 

CMOS QUAD BILATERAL SWITCH

Made in USSR. 1970-80-90s.

USSR 561 series ICs are clone CD40.... These ICs were produced in the USSR since 1970 for computers used in the aerospace industry,  and instrumentation.
 

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Shipping and Handing

Buyer pays fixed shipping costs including insurance for any country. Shipping costs for this item can be found in the section Shipping and Payments. This item will be shipped to you from Europe (Ukraine) by Registered Airmail after payment is received and verified.

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