MC100EP196BFAR2G

Overview

The MC100EP196BFAR2G is a 3.3 V ECL Programmable Delay Chip (PDC) designed for clock deskewing and timing adjustment. It provides variable delay of differential NECL/PECL input transitions with a digitally selectable resolution of approximately 10 ps and a net range up to 10.4 ns. The device features an FTUNE pin for analog fine-tuning of output delay from 0 to 60 ps. It operates within a supply voltage range of 3.0 V to 3.6 V in PECL mode or -3.0 V to -3.6 V in NECL mode, supporting maximum input clock frequencies exceeding 1.2 GHz.

Feature Summary

• Programmable delay matrix with 10 ps digital increments and analog FTUNE fine-tuning capability
• Supports cascading multiple units via D10 control pins to extend programmable range
• Accepts LVPECL, LVNECL, and LVDS signal levels at the IN/IN inputs
• Configurable data select inputs (D) for LVCMOS, LVTTL, or ECL logic levels

Applications

• Multi-channel high-precision delay signal control systems
• Clock distribution network deskewing
• Timing adjustment for avalanche transistor pulse generation
• Measurement of unknown high-speed device delays

Procurement Notes

Verify the specific suffix 'R2G' against official documentation to confirm reel packaging specifications and RoHS compliance status. Ensure that the ordering information matches the required package type and lead-free designation as defined by the manufacturer's current product release notes.

Selection Notes

Select this component when precise sub-nanosecond delay adjustments are required for differential ECL signals. Consider the FTUNE pin requirement for analog control circuitry if finer resolution than 10 ps is needed. Verify power supply compatibility for either PECL (+3.3V) or NECL (-3.3V) operation modes before integration.

Part Context

This device belongs to the MC100EP196B series, which includes variants like MC100EP196BMNG and MC100EP196BFAG. It shares architecture with the EP195 but adds FTUNE tunability. The BFAR2G suffix indicates a specific tape-and-reel packaging configuration for automated assembly, distinct from tube-packaged versions.

Replacement Considerations

MC100EP196BMNG

FAQ

How does the FTUNE pin enhance delay resolution?

The FTUNE pin accepts an analog voltage to provide fine-tuning of the output delay from 0 to 60 ps, supplementing the 10 ps digital resolution provided by the D inputs.

What is the minimum fixed delay of the device?

Due to the chain of multiplexers, the device has a fixed minimum delay of approximately 2.2 ns to 2.4 ns, regardless of the digital settings.

Can the MC100EP196BFAR2G cascade with other devices?

Yes, it supports cascading multiple PDCs using the D10 input and CASCADE outputs to increase the total programmable delay range beyond a single chip's limit.