|  | INTERSIL | CMOS Programmable Timer IC | 
                    
                |  | HARRIS | CD4537BF HARRIS IC CDIP | 
                    
                |  | HARRIS | CD4537BF3A HARRIS IC CDIP | 
                    
                |  | HARRIS | CD4538BE  HARRIS IC DIP16 | 
                    
                |  | RCA | CD4538BEX RCA IC DIP-16 | 
                    
                |  | RCA | CD4538BFX RCA IC CDIP16 | 
                    
                |  | HARRIS | CD4538UBF HARRIS IC QQ- | 
                    
                |  | HARRIS | CD4539BE HARRIS IC DIP | 
                    
                |  | HARRIS | CD45417BF HARRIS IC DIP | 
                    
                |  | HARRIS | CD4541BEX HARRIS IC ORIGINAL | 
                    
                |  | HARRIS | CD4541BF/3A HARRIS IC CDIP | 
                    
                |  | HARRIS | CD4541BFX HARRIS IC ORIGINAL | 
                    
                |  | HARRIS | CD4541E HARRIS IC DIP14 | 
                    
                |  | INTERSIL | CD4541EBF3A INTERSIL IC DIP | 
                    
                |  | HARRIS | CD45420BE HARRIS IC DIP16 | 
                    
                |  | HARRIS | CD4543BEX HARRIS IC ORIGINAL | 
                    
                |  | HARRIS | CD4551BF HARRIS IC CDIP | 
                    
                |  | INTERSIL | CD4553BE INTERSIL IC DIP | 
                    
                |  | HARRIS | CD4553BF HARRIS IC DIP | 
                    
                |  | HARRIS | CD4553BF3A HARRIS IC DIP | 
                    
                |  | INTERSIL | CMOS Dual Binary to 1 of 4 Decoder/Demultiplexers IC | 
                    
                |  | INTERSIL | CD4555 BE INTERSIL IC DIP14 | 
                    
                |  | HARRIS | CD45556BF3A HARRIS IC DIP16 | 
                    
                |  | HARRIS | CD4555BD3 HARRIS IC ORIGINAL | 
                    
                |  | INTERSIL | CD4555BDMSR INTERSIL IC DIP | 
                    
                |  | HARRIS | CD4555BEX HARRIS IC DIP | 
                    
                |  | RCA | CD4555BF RCA IC CDIP | 
                    
                |  | HARRIS | CD4555BF3 HARRIS IC ORIGINAL | 
                    
                |  | HARRIS | CD4555BFMSR HARRIS IC CDIP-16 | 
                    
                |  | INTERSIL | CMOS Dual Binary to 1 of 4 Decoder/Demultiplexers IC | 
                    
                |  | INTERSIL | CMOS Dual Binary to 1 of 4 Decoder/Demultiplexers IC | 
                    
                |  | RCA | CD4556BD RCA IC ORIGINAL | 
                    
                |  | HARRIS | CD4556BE  HARRIS IC DIP16 | 
                    
                |  | HARRIS | CD4556BEX HARRIS IC ORIGINAL | 
                    
                |  | RCA | CD4556BFX RCA IC CDIP | 
                    
                |  | INTERSIL | CMOS Dual Binary to 1 of 4 Decoder/Demultiplexers IC | 
                    
                |  | HARRIS | CD4557AN2 HARRIS IC DIP | 
                    
                |  | HARRIS | CD4557BF HARRIS IC CDIP | 
                    
                |  | HARRIS | CD4557BF3A HARRIS IC DIP | 
                    
                |  | HARRIS | CD4559BF HARRIS IC CDIP | 
                    
                |  | HARRIS | CD4560BE HARRIS IC DIP16 | 
                    
                |  | HARRIS | CD4560BF HARRIS IC ORIGINAL | 
                    
                |  | HARRIS | CD4560BF3A HARRIS IC DIP | 
                    
                |  | HARRIS | CD4562BF3A HARRIS IC DIP | 
                    
                |  | HARRIS | CD4566BEX HARRIS IC DIP | 
                    
                |  | HARRIS | CD456BE HARRIS IC ORIGINAL | 
                    
                |  | HARRIS | CD4572BF HARRIS IC DIP | 
                    
                |  | HARRIS | CD4572BF3A HARRIS IC CDIP | 
                    
                |  | HARRIS | CD4572BFX HARRIS IC CDIP14 | 
                    
                |  | HARRIS | CD4572UBEX HARRIS IC ORIGINAL |