| KA556 |  | Fairchild Semiconductor | Dual Timer | Original | PDF | 44.5KB | 8 | 
| KA556 |  | Fairchild Semiconductor | Clock/Timing - Programmable Timers and Oscillators, Integrated Circuits (ICs), IC OSC TIMER DUAL 14-DIP | Original | PDF |  | 6 | 
| KA556 |  | Tristar Semiconductor | Single / Dual Timer | Original | PDF | 140.26KB | 4 | 
| KA556 |  | Fairchild Semiconductor | DUAL TIMER | Scan | PDF | 170.45KB | 4 | 
| KA556 |  | Unknown | Shortform IC and Component Datasheets (Plus Cross Reference Data) | Short Form | PDF | 79.61KB | 1 | 
| KA556 |  | Unknown | Shortform Data and Cross References (Misc Datasheets) | Short Form | PDF | 39.73KB | 1 | 
| KA556D |  | Fairchild Semiconductor | Dual Timer | Original | PDF | 44.5KB | 8 | 
| KA556DTF |  | Fairchild Semiconductor | Dual Timer | Original | PDF | 160.86KB | 6 | 
| KA556I |  | Fairchild Semiconductor | Dual Timer | Original | PDF | 44.5KB | 8 | 
| KA556I |  | Fairchild Semiconductor | Clock/Timing - Programmable Timers and Oscillators, Integrated Circuits (ICs), IC OSC TIMER DUAL 14-DIP | Original | PDF |  | 6 | 
| KA556I |  | Fairchild Semiconductor | DUAL TIMER | Scan | PDF | 170.45KB | 4 | 
| KA556I |  | Unknown | Shortform Data and Cross References (Misc Datasheets) | Short Form | PDF | 39.73KB | 1 | 
| KA556ID |  | Fairchild Semiconductor | Dual Timer | Original | PDF | 44.5KB | 8 |