| MC100EP51 | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC100EP51D | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC100EP51DR2 | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC100EP51DT | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC100EP51DTR2 | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC10EP51 | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC10EP51D | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC10EP51DR2 | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC10EP51DT | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |
| MC10EP51DTR2 | ON Semiconductor | 3.3V / 5V ECL D Flip Flop with Reset and Differential Clock |