
RCV56HCF PCI/CardBus Modem Designer’s Guide
Table 4-2.  Crystal Specifications - Surface Mount
Characteristic
Value
| Rockwell Part No. | |
| Electrical | 
 | 
| Frequency | 28.224 MHz nom. | 
| Frequency Tolerance | ±50 ppm (CL = 16.5 and 19.5 pF) | 
| Frequency Stability | 
 | 
| vs. Temperature | ±35 ppm (0°C to 70°C) | 
| vs. Aging | ±15 ppm/4 years | 
| Oscillation Mode | Fundamental | 
| Calibration Mode | Parallel resonant | 
| Load Capacitance, CL | 18 pF nom. | 
| Shunt Capacitance, CO | 7 pF max. | 
| Series Resistance, R1 | 60 Ω max. @20 nW drive level | 
| Drive Level | 100µW correlation; 300µW max. | 
| Operating Temperature | 0°C to 70°C | 
| Storage Temperature | |
| 
 | 
 | 
| Mechanical | 
 | 
| Dimensions (L x W x H) | 7.5 x 5.2 x 1.3 mm max. | 
| Mounting | SMT | 
| Holder Type | None | 
| 
 | 
 | 
| Suggested Suppliers | 
 | 
| 
 | KDS America | 
| 
 | ILSI America | 
| 
 | Vectron Technologies, Inc. | 
| 
 | 
 | 
| Notes | 
 | 
1.Characteristics @ 25°C unless otherwise noted.
2.Supplier Information:
KDS America
Fountain Valley, CA 92626 (714) 
ILSI America Kirkland, WA 98033 (206) 828 - 4886
Vectron Technologies, Inc. Lowell, NH 03051
(603) 
Toyocom U.S.A., Inc. Costa Mesa, CA (714) 
| ROCKWELL PROPRIETARY INFORMATION | 1129 |