Overview
The NB7L14MMNG, produced by onsemi, is a differential 1:4 LVPECL fanout buffer designed for high-speed clock and data distribution applications. This device is part of the GigaComm™ family of high-performance clock products. It operates up to 7 GHz or 10.7 Gbps, making it ideal for SONET, GigE, Fiber Channel, Backplane, and other clock or data distribution applications. The NB7L14 features internal 50 Ω termination resistors and supports various logic standards including LVPECL, CML, LVDS, LVCMOS, and LVTTL.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Clock Frequency | 7 | - | 8 | GHz |
| Maximum Operating Data Rate | 10 | - | 11 | Gbps |
| Propagation Delay IN to Q | 125 | 165 | 200 | ps |
| Rise and Fall Times | - | 45 | - | ps |
| Output Skew | - | - | 15 | ps |
| RMS Random Clock Jitter | - | - | 0.8 | ps |
| Data Dependent Jitter | - | - | 15 | ps pp |
| Output Voltage Amplitude | 500 | - | 720 | mV |
| Power Supply Voltage (VCC) | 2.375 | 2.5/3.3 | 3.6 | V |
| Ambient Operating Temperature | -40 | - | 85 | °C |
Key Features
- Input Data Rate > 10.7 Gb/s and Input Clock Frequency > 7 GHz
- Typical Propagation Delay of 165 ps and Rise and Fall Times of 45 ps
- Output Skew < 15 ps and RMS Random Clock Jitter < 0.8 ps
- Differential LVPECL Outputs with 720 mV peak-to-peak amplitude
- Internal 50 Ω termination resistors for differential inputs
- VREFAC reference output for rebiasing capacitor-coupled differential or single-ended input signals
- Functionally compatible with existing 2.5 V/3.3 V LVEL, LVEP, EP, and SG devices
- Pb-free and RoHS compliant
- Operating temperature range from -40°C to +85°C
Applications
The NB7L14MMNG is suitable for various high-speed applications, including:
- SONET (Synchronous Optical Networking)
- Gigabit Ethernet (GigE)
- Fiber Channel
- Backplane applications
- Other clock or data distribution systems requiring high-speed and low jitter performance
Q & A
- What is the maximum input clock frequency of the NB7L14MMNG?
The maximum input clock frequency is up to 7 GHz.
- What is the maximum operating data rate of the NB7L14MMNG?
The maximum operating data rate is up to 10.7 Gbps.
- What is the typical propagation delay of the NB7L14MMNG?
The typical propagation delay is 165 ps.
- What is the output skew of the NB7L14MMNG?
The output skew is less than 15 ps.
- What is the RMS random clock jitter of the NB7L14MMNG?
The RMS random clock jitter is less than 0.8 ps.
- What are the supported logic standards by the NB7L14MMNG?
The device supports LVPECL, CML, LVDS, LVCMOS, and LVTTL logic standards.
- Does the NB7L14MMNG have internal termination resistors?
Yes, it has internal 50 Ω termination resistors for differential inputs.
- What is the VREFAC reference output used for?
The VREFAC reference output is used to rebias capacitor-coupled differential or single-ended input signals.
- Is the NB7L14MMNG Pb-free and RoHS compliant?
Yes, it is Pb-free and RoHS compliant.
- What is the operating temperature range of the NB7L14MMNG?
The operating temperature range is from -40°C to +85°C.
