Overview
The NB2305AI1HDR2G is a versatile, 3.3 V zero delay buffer designed by ON Semiconductor to distribute high-speed clocks. This component is part of the NB2305A series and is specifically the high drive version, denoted by the '1H' suffix. It accepts one reference input and drives out five low-skew clocks, making it ideal for applications requiring precise clock distribution. The device operates within a frequency range of 15 MHz to 133 MHz, compatible with CPU and PCI bus frequencies. It features advanced 0.35 μm CMOS technology and is available in both SOIC-8 and TSSOP-8 packages, ensuring flexibility in design and implementation.
Key Specifications
| Parameter | Description | Min | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | Supply Voltage | 3.0 | 3.6 | V |
| Operating Frequency | Maximum Operating Frequency | 15 MHz | 133 MHz | MHz |
| Input Voltage (REF) | Input Voltage Range for REF Pin | -0.5 | 7.0 | V |
| Output-Output Skew | Skew between outputs | - | 250 ps | ps |
| Device-Device Skew | Skew between devices | - | 700 ps | ps |
| Cycle-to-Cycle Jitter | Jitter at 66.67 MHz | - | 200 ps | ps |
| Input-Output Propagation Delay | Propagation delay from REF to CLKOUT | - | 350 ps | ps |
| Output Rise Time (1H) | Rise time for high drive version | - | 1.5 ns | ns |
| Output Fall Time (1H) | Fall time for high drive version | - | 1.5 ns | ns |
| Operating Temperature | Ambient operating temperature range | -40°C | 85°C | °C |
Key Features
- Zero input-output propagation delay
- Multiple low-skew outputs (five buffered clock outputs)
- Output-output skew less than 250 ps
- Device-device skew less than 700 ps
- Less than 200 ps cycle-to-cycle jitter, compatible with Pentium-based systems
- Accepts spread spectrum clock at the input
- Available in 8-pin SOIC and TSSOP packages
- 3.3 V operation with advanced 0.35 μm CMOS technology
- Guaranteed operation across commercial and industrial temperature ranges
- Pb-free devices
Applications
The NB2305AI1HDR2G is suitable for various high-speed clock distribution applications, including:
- Computer systems requiring precise clock signals, such as CPU and PCI bus frequencies
- Telecommunication equipment where low-skew clock distribution is critical
- Embedded systems and industrial control systems needing reliable clock signals
- High-speed data acquisition and processing systems
Q & A
- What is the operating frequency range of the NB2305AI1HDR2G?
The operating frequency range is from 15 MHz to 133 MHz.
- How many output clocks does the NB2305AI1HDR2G provide?
The device provides five buffered clock outputs.
- What is the output-output skew of the NB2305AI1HDR2G?
The output-output skew is less than 250 ps.
- Can the NB2305AI1HDR2G accept spread spectrum clocks?
- What are the available package types for the NB2305AI1HDR2G?
The device is available in 8-pin SOIC and TSSOP packages.
- What is the supply voltage range for the NB2305AI1HDR2G?
The supply voltage range is from 3.0 V to 3.6 V.
- What is the maximum junction temperature for the NB2305AI1HDR2G?
The maximum junction temperature is 150°C.
- Is the NB2305AI1HDR2G Pb-free?
- What is the cycle-to-cycle jitter of the NB2305AI1HDR2G at 66.67 MHz?
The cycle-to-cycle jitter is less than 200 ps.
- How does the NB2305AI1HDR2G ensure zero input-output propagation delay?
The device ensures zero input-output propagation delay by having all outputs, including CLKOUT, equally loaded.
