DS91D180TMA

Overview

The DS91D180TMA is an LVDS interface integrated circuit manufactured by Texas Instruments, originally developed under the National Semiconductor brand. It functions as a dual driver and dual receiver transceiver supporting data rates up to 200 Mb/s. The device accepts LVCMOS, LVTTL, or M-LVDS inputs and provides LVTTL or M-LVDS outputs. Operating on a single 3.3 V power supply within a 3 V to 3.6 V range, it draws 29.5 mA of current with a maximum power dissipation of 1.1 W. Housed in a 14-pin SOIC package, it operates between -40°C and +85°C with a propagation delay of 5.5 ns.

Feature Summary

• Dual-channel architecture providing two independent drivers and receivers for parallel signal transmission.
• Flexible input compatibility accepting LVCMOS, LVTTL, and M-LVDS logic levels.
• Configurable output options allowing selection between LVTTL and M-LVDS signaling standards.

Applications

• Parallel-to-LVDS conversion in display interfaces
• High-speed data transmission over twisted pair cables
• Backplane interconnects requiring differential signaling

Procurement Notes

Verify component authenticity through authorized channels due to discontinued status. Confirm RoHS compliance requirements as the specific TMA suffix may not meet current environmental standards. Validate package integrity and pin alignment against SOIC-14 specifications before integration into production assemblies.

Selection Notes

Evaluate the transition from legacy National Semiconductor designs to current Texas Instruments equivalents. Consider the DS91D180TMA/NOPB variant if lead-free compliance is mandatory. Assess whether the 200 Mb/s speed and dual-channel configuration align with system bandwidth requirements compared to newer generation serializers.

Part Context

This component belongs to the DS91D180 series of LVDS interface ICs. Originally released by National Semiconductor, the product line was transferred to Texas Instruments following their acquisition. The device serves as a bridge between parallel digital buses and low-voltage differential signaling networks.

Replacement Considerations

The DS91D180TMA/NOPB is the verified lead-free equivalent. Check for functional parity regarding voltage levels and pinout compatibility when substituting with other dual LVDS transceivers.

FAQ

What is the maximum data rate supported by this device?

The DS91D180TMA supports a maximum data rate of 200 Mb/s.

Does this component support M-LVDS inputs?

Yes, the device accepts M-LVDS signals in addition to LVCMOS and LVTTL inputs.

What is the operating temperature range?

The specified operating temperature range is from -40°C to +85°C.