Overview
The NB7L72MMNHTBG, produced by onsemi, is a high-bandwidth, low-voltage, fully differential 2 x 2 crosspoint switch with CML (Current Mode Logic) outputs. This device is part of the GigaComm™ family of high-performance clock products and is optimized for low skew and minimal jitter. It is designed to operate up to 7 GHz or 10 Gb/s, making it ideal for various high-speed applications such as SONET, GigE, Fiber Channel, and backplane clock/data distribution.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Input Clock Frequency | 7.0 - 8.5 | GHz |
| Maximum Operating Data Rate | 10 | Gbps |
| Propagation Delay | 110 - 150 | ps |
| Rise and Fall Times | 30 | ps |
| Output Voltage Amplitude | 400 | mV |
| Supply Voltage Range | 2.375 - 3.6 | V |
| Operating Temperature Range | -40 to +85 | °C |
| Package Type | QFN16 (3x3 mm) | |
| Input Termination Resistors | Internal 50 Ω |
Key Features
- High bandwidth with maximum input clock frequency up to 7 GHz and data rate up to 10 Gbps.
- Low skew and minimal jitter, with data dependent jitter < 10 ps pk-pk and random clock jitter < 0.5 ps RMS.
- Differential CML outputs with 400 mV peak-to-peak voltage swing when externally terminated with a 50 Ω resistor to VCC.
- Internal 50 Ω input termination resistors for LVPECL, CML, or LVDS logic levels.
- LVCMOS input select logic pins with default HIGH when left open.
- Operating range: VCC = 2.375 V to 3.6 V with GND = 0 V.
- Ambient operating temperature range: -40°C to +85°C.
- Pb-free and RoHS compliant.
Applications
- SONET (Synchronous Optical Networking) systems.
- Gigabit Ethernet (GigE) applications.
- Fiber Channel systems.
- Backplane and other clock/data distribution applications.
Q & A
- What is the maximum input clock frequency of the NB7L72MMNHTBG?
The maximum input clock frequency is up to 7 GHz.
- What is the maximum operating data rate of this device?
The maximum operating data rate is up to 10 Gbps.
- What type of outputs does the NB7L72MMNHTBG have?
The device has differential CML (Current Mode Logic) outputs.
- What is the typical output voltage amplitude of the CML outputs?
The typical output voltage amplitude is 400 mV peak-to-peak when externally terminated with a 50 Ω resistor to VCC.
- What is the operating temperature range of the NB7L72MMNHTBG?
The operating temperature range is -40°C to +85°C.
- What type of package does the NB7L72MMNHTBG come in?
The device is offered in a low-profile 3x3 mm 16-pin QFN package.
- Does the NB7L72MMNHTBG have internal input termination resistors?
Yes, it has internal 50 Ω input termination resistors.
- What logic levels are accepted by the differential inputs of the NB7L72MMNHTBG?
The differential inputs accept LVPECL, CML, or LVDS logic levels.
- Is the NB7L72MMNHTBG Pb-free and RoHS compliant?
Yes, the device is Pb-free and RoHS compliant.
- What are some typical applications of the NB7L72MMNHTBG?
Typical applications include SONET, GigE, Fiber Channel, and backplane clock/data distribution.
