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| PartNumber | CDCR81 | CDCR81DBQ | CDCR81DBQR |
| Description | Clock Generators & Support Products Direct RAMBUS Clock Gen | ||
| Manufacturer | TI | Texas Instruments | Texas Instruments |
| Product Category | Clock/Timing - Application Specific | Clock/Timing - Application Specific | Clock/Timing - Application Specific |
| Series | - | CDCR81 | CDCR81 |
| Type | - | Clock Generators | Clock Generators |
| Packaging | - | Digi-ReelR Alternate Packaging | Digi-ReelR Alternate Packaging |
| Unit Weight | - | 0.004568 oz | 0.004568 oz |
| Mounting Style | - | SMD/SMT | SMD/SMT |
| Package Case | - | SSOP-24 | SSOP-24 |
| Operating Temperature | - | 0°C ~ 85°C | 0°C ~ 85°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Voltage Supply | - | 3.135 V ~ 3.465 V | 3.135 V ~ 3.465 V |
| Supplier Device Package | - | 24-SSOP/QSOP | 24-SSOP/QSOP |
| PLL | - | Yes | Yes |
| Main Purpose | - | Memory, RDRAM | Memory, RDRAM |
| Input | - | TTL | TTL |
| Output | - | Clock | Clock |
| Number of Circuits | - | 1 | 1 |
| Ratio InputOutput | - | 1899/12/30 1:01:00 | 1899/12/30 1:01:00 |
| Differential InputOutput | - | No/Yes | No/Yes |
| Frequency Max | - | 300MHz | 300MHz |
| Maximum Operating Temperature | - | + 85 C | + 85 C |
| Minimum Operating Temperature | - | 0 C | 0 C |
| Operating Supply Voltage | - | 3.3 V | 3.3 V |
| Maximum Input Frequency | - | 100 MHz | 100 MHz |