Overview
The NB6L14SMNTXG, produced by onsemi, is a 3.0 GHz differential 1:4 LVPECL fanout buffer. This component is part of the ECLinPS MAX family, known for high-performance clock and data management. It features differential inputs with internal 50-ohm termination resistors, accessible through the VT pin, allowing it to accept various logic standards such as LVPECL, LVCMOS, LVTTL, CML, or LVDS. The device includes a VREF_AC reference output for rebiasing capacitor-coupled differential or single-ended input signals. The 1:4 fanout design is optimized for low output skew applications, making it suitable for high-speed data and clock distribution.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Clock Frequency | > 3.0 GHz | GHz |
| Input Data Rate | > 2.5 Gb/s | Gb/s |
| Within Device Output Skew | < 20 ps | ps |
| Internal Input Termination Resistors | 50 Ω | Ω |
| Propagation Delay (IN to Q) | 250 - 500 ps | ps |
| Rise and Fall Times | 150 ps (Typical) | ps |
| Output Voltage Amplitude (LVPECL) | 700 mV (Typical) | mV |
| Operating Voltage Range (VCC) | 2.375 V to 3.63 V | V |
| Ambient Operating Temperature | −40°C to +85°C | °C |
| Package Type | 3 mm x 3 mm 16 Pin QFN |
Key Features
- Differential inputs with internal 50-ohm termination resistors, accessible through the VT pin.
- Accepts various logic standards: LVPECL, LVCMOS, LVTTL, CML, or LVDS.
- VREF_AC reference output for rebiasing capacitor-coupled differential or single-ended input signals.
- 1:4 fanout design optimized for low output skew applications.
- Low propagation delay and rise/fall times.
- Differential LVPECL outputs with 700 mV amplitude (typical).
- Operating voltage range: 2.375 V to 3.63 V.
- Ambient operating temperature range: −40°C to +85°C.
- Pb-free and available in a 3 mm x 3 mm 16 Pin QFN package.
Applications
The NB6L14SMNTXG is suitable for various high-speed data and clock distribution applications, including:
- Telecommunication systems requiring high-speed clock and data buffering.
- Data centers and cloud infrastructure needing low-skew clock distribution.
- High-performance computing systems requiring precise timing signals.
- Networking equipment such as routers and switches.
- Other applications where low jitter and high-speed signal integrity are critical.
Q & A
- What is the maximum input clock frequency of the NB6L14SMNTXG?
The maximum input clock frequency is greater than 3.0 GHz.
- What types of logic standards can the NB6L14SMNTXG accept?
The device can accept LVPECL, LVCMOS, LVTTL, CML, or LVDS logic levels.
- What is the purpose of the VREF_AC reference output?
The VREF_AC reference output is used to rebias capacitor-coupled differential or single-ended input signals.
- What is the typical propagation delay of the NB6L14SMNTXG?
The typical propagation delay is between 250 to 500 ps.
- What is the operating voltage range of the NB6L14SMNTXG?
The operating voltage range is from 2.375 V to 3.63 V.
- What is the ambient operating temperature range of the NB6L14SMNTXG?
The ambient operating temperature range is from −40°C to +85°C.
- What package type is the NB6L14SMNTXG available in?
The device is available in a 3 mm x 3 mm 16 Pin QFN package.
- Is the NB6L14SMNTXG Pb-free?
- What is the typical output voltage amplitude of the LVPECL outputs?
The typical output voltage amplitude is 700 mV.
- What is the within-device output skew of the NB6L14SMNTXG?
The within-device output skew is less than 20 ps.
