<One guy had list of stuff for sale or trades recently within last <week or so and was asking for those 8228 chips. <1 x AMD 8284A <1 x Fujitsu 8284A <3 x Nec 8284AD 8284 .NEQ 8228. The 8284/A is specific to 8088/v20 and 8228 is specific to 8080. <MC857P, dated '71 of 18th week. uRTL or DTL (utilogic) , real slow and real old. Generally simple gates or maybe a dual flipflop. Allison