| MC100EP139 | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC100EP139DT | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC100EP139DTR2 | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC100EP139DW | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC100EP139DWR2 | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC10EP139 | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC10EP139DT | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC10EP139DTR2 | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC10EP139DW | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |
| MC10EP139DWR2 | ON Semiconductor | 3.3V / 5V ECL ÷2/4, ÷4/5/6 Clock Generation Chip |