| PartNumber | ATS640B-E | ATS640BSM-1 |
| Description | Crystals 64MHz 18pF Fund. -40C +85C | Crystals 64MHz 18pF 3OT -20C +70C |
| Manufacturer | CTS | CTS |
| Product Category | Crystals | Crystals |
| RoHS | Y | Y |
| Termination Style | Radial | SMD/SMT |
| Package / Case | HC-49/U | HC-49/US-SM |
| Load Capacitance | 18 pF | 18 pF |
| Frequency | 64 MHz | 64 MHz |
| Tolerance | 30 PPM | 30 PPM |
| Frequency Stability | 50 PPM | 50 PPM |
| Minimum Operating Temperature | - 40 C | - 20 C |
| Maximum Operating Temperature | + 85 C | + 70 C |
| Length | 10.85 mm | 12.3 mm |
| Width | 4.5 mm | 4.83 mm |
| Height | 3.68 mm | 4.3 mm |
| Series | ATS | ATS-SM |
| Packaging | Bulk | Reel |
| Brand | CTS Electronic Components | CTS Electronic Components |
| Mounting Style | Through Hole | SMD/SMT |
| Product Type | Crystals | Crystals |
| Factory Pack Quantity | 100 | 1000 |
| Subcategory | Crystals | Crystals |