| PartNumber | MK1491E-14RLF | MK1491E-14RLFTR | MK1491E-14R |
| Description | Clock Synthesizer / Jitter Cleaner OPTI ACPI FIRESTAR CLOCK SOURCE | Clock Synthesizer / Jitter Cleaner OPTI ACPI FIRESTAR CLOCK SOURCE | IC CLK FREQ SYNTH CPU 75MHZ |
| Manufacturer | IDT (Integrated Device Technology) | IDT (Integrated Device Technology) | - |
| Product Category | Clock Synthesizer / Jitter Cleaner | Clock Synthesizer / Jitter Cleaner | - |
| RoHS | Y | Y | - |
| Series | MK1491E-14 | MK1491E-14 | - |
| Package / Case | QSOP-28 | QSOP-28 | - |
| Height | 1.47 mm | 1.47 mm | - |
| Length | 9.9 mm | 9.9 mm | - |
| Width | 3.8 mm | 3.8 mm | - |
| Brand | IDT | IDT | - |
| Product Type | Clock Synthesizers / Jitter Cleaners | Clock Synthesizers / Jitter Cleaners | - |
| Factory Pack Quantity | 48 | 2500 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Part # Aliases | MK1491E-14 | MK1491E-14 | - |