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| PartNumber | PL138-58QC | PL138-58OC-R | PL138-58OC |
| Description | Clock Buffer Low Skew 1:4 LVPECL Fanout Buffer | IC CLK BUFFER 3:4 266MHZ 20TSSOP | IC CLK BUFFER 3:4 266MHZ 20TSSOP |
| Manufacturer | Microchip | Microchip Technology | Microchip Technology |
| Product Category | Clock Buffer | Clock/Timing - Clock Buffers, Drivers | Clock/Timing - Clock Buffers, Drivers |
| RoHS | Y | - | - |
| Number of Outputs | 4 Output | - | - |
| Propagation Delay Max | 800 ps | - | - |
| Supply Voltage Max | 4.6 V | - | - |
| Supply Voltage Min | 2.375 V | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN-16 | - | - |
| Packaging | Tube | Tape & Reel (TR) | Tube |
| Brand | Microchip Technology / Micrel | - | - |
| Max Output Freq | 266 MHz | - | - |
| Product Type | Clock Buffers | - | - |
| Factory Pack Quantity | 86 | - | - |
| Subcategory | Clock & Timer ICs | - | - |
| Unit Weight | 0.002014 oz | - | - |
| Series | - | - | - |
| Type | - | Fanout Buffer (Distribution), Multiplexer | Fanout Buffer (Distribution), Multiplexer |
| Package Case | - | 20-TSSOP (0.173", 4.40mm Width) | 20-TSSOP (0.173", 4.40mm Width) |
| Operating Temperature | - | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | - | Surface Mount | Surface Mount |
| Voltage Supply | - | 2.375 V ~ 3.63 V | 2.375 V ~ 3.63 V |
| Supplier Device Package | - | 20-TSSOP | 20-TSSOP |
| Input | - | LVCMOS, LVTTL | LVCMOS, LVTTL |
| Output | - | LVPECL | LVPECL |
| Number of Circuits | - | 1 | 1 |
| Ratio InputOutput | - | 1899/12/30 3:04:00 | 1899/12/30 3:04:00 |
| Differential InputOutput | - | No/Yes | No/Yes |
| Frequency Max | - | 266MHz | 266MHz |