Overview
The NB7L72M is a high bandwidth, low voltage, fully differential 2 x 2 crosspoint switch designed by onsemi. This component is part of the GigaComm™ family of high-performance clock products. It is optimized for low skew and minimal jitter, making it ideal for applications requiring precise clock and data distribution. The NB7L72M can operate at frequencies up to 7 GHz and data rates up to 10 Gb/s, making it suitable for various high-speed communication standards such as SONET, GigE, Fiber Channel, and backplane applications.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Maximum Input Clock Frequency | 7.0 | - | 8.5 | GHz |
| Maximum Operating Data Rate | - | - | 10 | Gbps |
| Data Dependent Jitter | - | - | 10 | ps pk-pk |
| Random Clock Jitter | - | - | 0.5 | ps RMS |
| Propagation Delay | 110 | 150 | 180 | ps |
| Rise and Fall Times | 30 | - | - | ps |
| CML Output Voltage Amplitude | 200 | 400 | - | mV |
| Operating Voltage Range | 2.375 | - | 3.6 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | - | QFN16 (3x3 mm) | - |
Key Features
- High bandwidth, low voltage, fully differential 2 x 2 crosspoint switch with CML outputs.
- Optimized for low skew and minimal jitter.
- Supports input data rates up to 10 Gb/s and clock frequencies up to 7 GHz.
- Differential CML outputs with 400 mV peak-to-peak voltage swings.
- Internal 50 Ω input termination resistors.
- LVCMOS input select logic pins.
- Operating voltage range: 2.375 V to 3.6 V.
- Ambient operating temperature range: -40°C to +85°C.
- Pb-free and RoHS compliant.
Applications
The NB7L72M is ideal for various high-speed communication and data distribution applications, including:
- SONET (Synchronous Optical Networking)
- Gigabit Ethernet (GigE)
- Fiber Channel
- Backplane applications
- Other clock and data distribution systems requiring low jitter and high bandwidth.
Q & A
- What is the maximum input clock frequency of the NB7L72M?
The maximum input clock frequency is up to 7 GHz.
- What is the maximum operating data rate of the NB7L72M?
The maximum operating data rate is up to 10 Gbps.
- What type of outputs does the NB7L72M provide?
The NB7L72M provides differential CML outputs.
- What is the typical output voltage amplitude of the CML outputs?
The typical output voltage amplitude is 400 mV peak-to-peak.
- What is the operating voltage range of the NB7L72M?
The operating voltage range is from 2.375 V to 3.6 V.
- What is the ambient operating temperature range of the NB7L72M?
The ambient operating temperature range is from -40°C to +85°C.
- Does the NB7L72M have internal termination resistors?
Yes, it has internal 50 Ω input termination resistors.
- What type of package does the NB7L72M come in?
The NB7L72M comes in a QFN16 (3x3 mm) package.
- Is the NB7L72M Pb-free and RoHS compliant?
Yes, it is Pb-free and RoHS compliant.
- What are some typical applications for the NB7L72M?
Typical applications include SONET, GigE, Fiber Channel, backplane applications, and other high-speed communication systems.
