8N4Q001EG-1108CDI8

Programmable Timers And Oscillators Overview

The Renesas 8N4Q001EG-1108CDI8 is a programmable clock generator and oscillator belonging to the FemtoClock NG series. It functions as a quad-frequency programmable voltage-controlled crystal oscillator (VCXO) utilizing fourth-generation technology for high frequency and low phase noise performance. The device supports output frequencies ranging from 15.476MHz to 866.67MHz and 975MHz to 1,300MHz with a resolution of 435.9Hz ÷N. It features an I2C interface for programming output frequency, absolute pull-range (APR), and internal PLL control registers. The component operates on a 2.5V or 3.3V supply and is housed in a 10-lead ceramic CLCC package.

Programmable Timers And Oscillators Feature Summary

• Fourth-generation FemtoClock NG technology for optimized high clock frequency and low phase noise
• Quad-frequency capability with four power-up defaults reprogrammable via I2C
• Absolute pull-range (APR) programmable from ±4.5ppm to ±754.5ppm
• Low RMS phase jitter: 0.494ps (typical) at 156.25MHz (12kHz - 20MHz)

Programmable Timers And Oscillators Applications

• Wireless infrastructure equipment
• Telecommunication systems
• Networking end equipment

Programmable Timers And Oscillators Procurement Notes

This component is identified as discontinued or having limited availability. Verification of current stock status and alternative sourcing channels is required before procurement planning. Check manufacturer announcements for potential obsolescence notices or last-time-buy dates.

Programmable Timers And Oscillators Selection Notes

Select this part when low phase jitter and flexible frequency programming are critical. Ensure the design supports I2C communication for register configuration. Verify that the required operating temperature range (-40°C to +85°C) matches the application environment. Confirm compatibility with 2.5V or 3.3V power supplies.

Programmable Timers And Oscillators Part Context

The 8N4Q001EG-1108CDI8 is part of the Renesas FemtoClock NG family, which specializes in precision timing solutions. This specific model variant offers quad-frequency outputs and VCXO functionality, distinguishing it from standard fixed-frequency oscillators within the broader product line.

Programmable Timers And Oscillators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. Due to the discontinued status, engineering evaluation of pin-compatible or functionally equivalent alternatives from the same FemtoClock family or competitor offerings is necessary.