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| PartNumber | NB3N121KMNR2G | NB3N121KMNG | NB3N121K |
| Description | Clock Buffer 3.3V 1:21 DIFF FANOUT CLO | Clock Buffer 3.3V 1:21 DIFF FANOUT CLO | |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | Clock Buffer | Clock Buffer | Clock/Timing - Clock Buffers, Drivers |
| RoHS | Y | Y | - |
| Series | NB3N121K | NB3N121K | NB3N121K |
| Maximum Input Frequency | 400 MHz | 400 MHz | 400 MHz |
| Propagation Delay Max | 950 ps | 950 ps | - |
| Supply Voltage Max | 3.3 V | 3.6 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-52 | QFN-52 | - |
| Packaging | Reel | Tray | Tray Alternate Packaging |
| Brand | ON Semiconductor | ON Semiconductor | - |
| Operating Supply Current | 500 mA | 500 mA | 500 mA |
| Product Type | Clock Buffer | Clock Buffer | - |
| Factory Pack Quantity | 2000 | 260 | - |
| Subcategory | Clock & Timer ICs | Clock & Timer ICs | - |
| Supply Voltage Min | - | 3 V | - |
| Type | - | - | Fanout Buffer (Distribution), Data |
| Package Case | - | - | QFN-52 |
| Operating Temperature | - | - | -40°C ~ 85°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 3 V ~ 3.6 V |
| Supplier Device Package | - | - | 52-QFN (8x8) |
| Input | - | - | HCSL, LVCMOS, LVDS, LVPECL, LVTTL |
| Output | - | - | HCSL, LVDS |
| Number of Circuits | - | - | 1 |
| Ratio InputOutput | - | - | 1899/12/30 1:21:00 |
| Differential InputOutput | - | - | Yes/Yes |
| Frequency Max | - | - | 400MHz |
| Supply Voltage Max | - | - | 3.6 V |
| Supply Voltage Min | - | - | 3 V |
| Propagation Delay Max | - | - | 950 ps |