| Dallas Semiconductor | ||||
| Chipset Number | Frequency | FOX Specs | FOX Thru Hole Packages | FOX SMD Packages |
| DS2151 | 6.176000 | 50/50/0/70/18.5 Pullability CL=10pF to 45pF, delta Frequency = +/-175 to +/-250ppm | HC49U | |
| DS2153 | 8.192000 | 50/50/0/70/18.5 Pullability CL=10pF to 45pF, delta Frequency = +/-175 to +/-250ppm | HC49U | |