Texas Instruments SN65LVDS86AQDGGRG4

Overview

SN65LVDS86AQDGGRG4 from Texas Instruments is an automotive-grade LVDS deserializer IC that converts 4-channel high-speed differential data and clock into 21-bit LVTTL parallel output for flat-panel display interfaces. It operates from a single 3.3-V supply, supports 31–68 MHz input clock frequencies, delivers up to 178.5 MB/s throughput, and is qualified for −40°C to +125°C operation in SVGA/XGA/SXGA display systems.

For engineers reviewing the SN65LVDS86AQDGGRG4 datasheet, SN65LVDS86AQDGGRG4 pinout, SN65LVDS86AQDGGRG4 application, or SN65LVDS86AQDGGRG4 equivalent, key selection criteria include its automotive temperature rating, 48-pin TSSOP package with 21 LVTTL outputs and 4 LVDS inputs, low-EMI LVDS interface compliance with ANSI EIA/TIA-644, and integrated PLL requiring no external components.

Technical Context

The SN65LVDS86AQDGGRG4 implements a 3×7-bit serial-in/parallel-out shift architecture synchronized to CLKIN, sampling LVDS data at 7× the input clock rate and presenting aligned 21-bit LVTTL output on the falling edge of CLKOUT. Its internal PLL locks to differential input clocks between 31 MHz and 68 MHz without external loop filters or timing components.

All four LVDS inputs (A0P/A0M, A1P/A1M, A2P/A2M, CLKINP/CLKINM) meet ANSI EIA/TIA-644 electrical standards, while the 21 LVTTL outputs (D0–D20) drive standard 3.3-V logic with 4-mA sink/source capability and ≤3 ns transition time. The SHTDN pin enables full shutdown with <280 µA quiescent current.

Key Specifications

Pinout & Package

Packaged in a 48-pin Thin Shrink Small-Outline Package (TSSOP-DGG), 12.6 mm × 6.2 mm × 1.2 mm max height, 0.5-mm pitch, RoHS-compliant NIPDAU finish, MSL Level-2-260°C-1 year.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar LVDS deserializer applications.

Compared with SN65LVDS86AQDGGRG4, the SN65LVDS86A-Q1 provides certified AEC-Q100 compliance for mission-critical automotive use, while the SN75LVDS86ADGGRG4 offers identical performance at lower cost for commercial-temperature applications-both share full pin-to-pin compatibility and identical layout requirements.

Availability

SN65LVDS86AQDGGRG4 is available at Aetrix Electronics and suitable for automotive instrument clusters, industrial HMIs, medical imaging displays, and avionics cabin systems requiring stable component supply across extended temperature ranges and long product lifecycles.

Supply support for SN65LVDS86AQDGGRG4 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and automotive electronics, with over 90 years of innovation in high-reliability signal chain and power management solutions.

The SN65LVDS86AQDGGRG4 belongs to TI's FlatLink™ family of display interface ICs, designed specifically to enable robust, low-EMI, high-bandwidth video transmission between controllers and flat-panel displays in automotive and industrial environments.

FAQ

What is the primary function of the SN65LVDS86AQDGGRG4 in a display system?

The SN65LVDS86AQDGGRG4 functions as an LVDS deserializer that receives high-speed serialized video data over four differential pairs (three data + one clock) and expands it into a 21-bit LVTTL parallel interface. In systems using SN65LVDS86AQDGGRG4, this enables compact, low-EMI cabling between graphics controllers and TFT LCD panels while preserving precise timing alignment across RGB, sync, and control signals.

Does the SN65LVDS86AQDGGRG4 require external passive components for PLL operation?

No, the SN65LVDS86AQDGGRG4 integrates a fully self-contained PLL that locks to the incoming LVDS clock without requiring external loop filter capacitors or resistors. This simplifies design, reduces bill-of-materials cost, and improves layout predictability-confirmed in the SLLS318D datasheet section "No External Components Required for PLL" and functional block diagram.

How does the SN65LVDS86AQDGGRG4 handle power-down mode?

The SN65LVDS86AQDGGRG4 enters low-power shutdown when the active-low SHTDN pin is driven low, which clears all internal shift registers and disables the LVDS receivers. In this state, quiescent current drops below 280 µA-verified in the "Electrical Characteristics" table of the SLLS318D datasheet under ICC conditions with all inputs grounded.

What is the significance of the 550–700 ps receiver input skew margin in the SN65LVDS86AQDGGRG4?

The 550–700 ps receiver input skew margin (tRSKM) specifies the timing budget available to accommodate interconnect skew, transmitter jitter, and board-level routing mismatches while maintaining error-free data recovery. For the SN65LVDS86AQDGGRG4, this value is measured at 15.38 ns clock period and directly supports reliable operation with up to 2-meter LVDS cable runs in automotive display links.

Can the SN65LVDS86AQDGGRG4 be used interchangeably with the SN75LVDS86ADGGRG4 on the same PCB layout?

Yes-the SN65LVDS86AQDGGRG4 and SN75LVDS86ADGGRG4 share identical pinout, package (TSSOP-DGG), electrical specifications, and functional behavior; they differ only in temperature rating (−40°C to +125°C vs. 0°C to +70°C) and qualification level. Therefore, SN65LVDS86AQDGGRG4 can be substituted onto a board designed for SN75LVDS86ADGGRG4 without layout changes, provided the application requires automotive-grade operation.