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SN65ELT21DR is listed in the Translators, Level Shifters range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC TRANSLTR UNIDIRECTIONAL 8SOIC. Review the specifications below when checking this part for your BOM.
The SN65ELT21DR is a differential PECL to TTL translator manufactured by Texas Instruments. It operates within a supply voltage range of 4.2 V to 5.7 V and supports data rates up to 400 Mb/s. The device features a propagation delay of 3 ns and draws 20 mA of operating current. It is housed in an SOIC-8 package with SMD/SMT mounting style, designed for operation between -40°C and +85°C.
Verify the 'DR' suffix indicates tape-and-reel packaging when sourcing components. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected distributor provides valid traceability records for the specific batch. Cross-reference the ordering part number against the latest datasheet revision to avoid discrepancies in pinout or electrical characteristics during procurement.
Select this component when interfacing PECL drivers with TTL receivers requiring level translation. Consider the 400 Mb/s speed limit and 3 ns delay for timing-critical paths. Evaluate power consumption requirements given the 20 mA operating current. Ensure the system voltage stays within the 4.2 V to 5.7 V range for proper functionality.
This part belongs to the SN65ELT21 series of voltage level translators. It complements other devices like the SN65ELT20D, which performs the reverse conversion from TTL to PECL. Both share similar packaging and operational parameters, facilitating bidirectional signal translation in complex digital interfaces.
No verified public substitute part numbers are available.
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