| LM555CM | Fairchild Semiconductor | Single Timer; Package: SOIC; No of Pins: 8; Container: Rail | |
| LM555CMX | Fairchild Semiconductor | Single Timer; Package: SOIC; No of Pins: 8; Container: Tape & Reel | |
| LM555CN | Fairchild Semiconductor | Single Timer; Package: DIP; No of Pins: 8; Container: Rail | |
| LM555CN_NL | Fairchild Semiconductor | Single Timer | |
| LM555 MD8 | National Semiconductor Corporation | LM555 Timer | |
| LM555 MDC | National Semiconductor Corporation | LM555 Timer | |
| LM555 MWC | National Semiconductor Corporation | LM555 Timer | |
| LM555CM | National Semiconductor Corporation | LM555 Timer; Package: SOIC NARROW; No of Pins: 8 | |
| LM555CMM | National Semiconductor Corporation | LM555 Timer; Package: MINI SOIC; No of Pins: 8 | |
| LM555CMMX | National Semiconductor Corporation | LM555 Timer; Package: MINI SOIC; No of Pins: 8 | |
| LM555CMX | National Semiconductor Corporation | LM555 Timer; Package: SOIC NARROW; No of Pins: 8 | |