SN65ELT21D

Translators, Level Shifters Overview

The SN65ELT21D 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 functions across an operating temperature range from -40°C to +85°C. Packaged in an SOIC-8 surface-mount format, it draws a typical operating current of 20 mA with a power dissipation of 840 mW.

Translators, Level Shifters Feature Summary

• Converts differential PECL input signals to standard TTL output levels
• Supports high-speed data transmission at rates up to 400 Mb/s
• Operates reliably across industrial temperature ranges

Translators, Level Shifters Applications

• Interfacing PECL clock sources with TTL logic circuits
• Voltage level translation in high-speed digital systems
• Signal conditioning for differential communication interfaces

Translators, Level Shifters Procurement Notes

Verify the specific ordering suffix against the manufacturer datasheet to confirm package type and tape/reel specifications. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the part number with official Texas Instruments documentation to validate electrical characteristics and pinout configurations before integration.

Translators, Level Shifters Selection Notes

Select this component when interfacing 5V PECL sources with TTL loads requiring high-speed translation. Consider the SOIC-8 package constraints and thermal dissipation capabilities during PCB layout. Verify that the system power supply remains within the specified 4.2 V to 5.7 V range to ensure proper operation and signal integrity.

Translators, Level Shifters Part Context

This device belongs to the SN65ELT21 series of voltage level translators designed for high-speed applications. It addresses the need for reliable signal conversion between different logic families in complex digital architectures. The component is part of Texas Instruments' portfolio of interface solutions aimed at maintaining signal fidelity across varying voltage domains.