The ICS83905AMLFT is a high-performance, low-skew LVCMOS/LVTTL fanout buffer from Integrated Circuit Systems (now Renesas). This device is designed to distribute clock signals with minimal additive jitter and skew, making it suitable for demanding timing applications. It operates from a 2.5V or 3.3V power supply and provides five identical output copies of the input clock signal.

Applications:

• Clock distribution networks
• Networking equipment (routers, switches)
• Telecommunications infrastructure
• Data centers
• High-speed data transmission systems

Features:

• Low additive jitter: typically less than 1 ps RMS
• Low output skew: typically less than 50 ps
• Five LVCMOS/LVTTL output buffers
• Operating voltage: 2.5V or 3.3V
• Frequency range: up to 200 MHz
• Output enable control
• Packaged in a space-saving 20-pin TSSOP

Benefits:

• Improves system timing margin by minimizing clock skew and jitter
• Simplifies clock distribution design by providing multiple output copies
• Reduces board space requirements due to the compact package
• Offers flexibility in clock frequency selection with its wide operating range
• Enhances system reliability with its low-noise performance

Technical Specifications:

The ICS83905AMLFT features a typical additive jitter of less than 1 ps RMS (root mean square), ensuring minimal degradation of the clock signal. The output skew is typically less than 50 ps, which is crucial for maintaining timing synchronization in parallel data paths. The device supports a frequency range up to 200 MHz, accommodating a wide range of clock frequencies. It operates from either a 2.5V or 3.3V power supply, providing compatibility with various logic levels. The output enable control allows for disabling the outputs, which can be useful for power management or testing purposes. The device is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package), which is a compact surface-mount package that saves board space. The operating temperature range is typically -40°C to +85°C.

It is commonly used in applications where precise and reliable clock distribution is paramount. Its low jitter and skew characteristics make it suitable for high-speed data transmission and networking applications. The availability of multiple output copies simplifies the design of clock distribution networks, reducing the need for additional buffering components. Its small package size and low power consumption make it an efficient solution for space-constrained and power-sensitive applications.