SN65LV1021DBRG4

Overview

The SN65LV1021DBRG4 is a serializer component from the Texas Instruments SN65LV1021 series, designed as part of a 10-bit LVDS serdes chipset. It operates with system clock frequencies ranging from 10 MHz to 40 MHz, supporting serial data rates between 120 Mbps and 480 Mbps. The device accepts 10 parallel LVTTL inputs and transmits serialized data over differential LVDS outputs. It features a 28-pin SSOP package and supports industrial temperature operation from -40°C to +85°C. Typical power consumption is under 350 mW at 40 MHz.

Feature Summary

• Supports rapid synchronization via internally generated SYNC patterns for deterministic lock times
• Enables random-lock synchronization for open-loop applications and hot insertion support
• Includes programmable edge trigger selection for transmit clock strobing
• Provides dedicated LOCK indicator output to monitor deserializer synchronization status

Applications

• Transmission of parallel data over differential backplanes
• Data transmission over unshielded twisted pair (UTP) cables
• High-speed serial interface systems requiring low latency serialization

Procurement Notes

Verify the specific ordering suffix 'G4' against current manufacturer documentation to confirm lead-free compliance and RoHS status. Confirm availability status as production data may change. Ensure the design utilizes the paired SN65LV1212 deserializer for complete functionality. Check for any recent product change notices affecting pinout or electrical characteristics.

Selection Notes

Select this serializer when interfacing 10-bit parallel LVTTL buses to LVDS serial links. Ensure the system clock frequency falls within the 10 MHz to 40 MHz range. Verify that the application requires the specific 28-pin SSOP footprint. Consider the paired deserializer's compatibility for clock recovery and data reconstruction in the target design.

Part Context

This component belongs to the SN65LV1021 family of 10:1 LVDS serializers. It is functionally compatible with National Semiconductor DS92LV1021 devices. The device is often used in conjunction with the SN65LV1212 deserializer to form a complete serdes link. It serves as a superserset of earlier NSM designs with added synchronization features.

Replacement Considerations

The SN65LV1021DB is a direct equivalent without the G4 suffix. The DS92LV1021 from National Semiconductor is a pin-compatible alternative. Verify electrical specifications and package dimensions before substitution.