Texas Instruments SN65LVDS302ZXHR

Overview

SN65LVDS302ZXHR from Texas Instruments is a programmable 27-bit SubLVDS serial-to-parallel receiver IC used to deserialize high-speed video data for LCD interfaces. It supports up to 24-bit RGB + 3 control bits over 1–3 SubLVDS differential lanes, delivers up to 1.755-Gbps throughput, operates with pixel clocks from 4 MHz to 65 MHz, and features bus-swap functionality for PCB layout flexibility.

For engineers reviewing the SN65LVDS302ZXHR datasheet, SN65LVDS302ZXHR pinout, SN65LVDS302ZXHR application, or SN65LVDS302ZXHR equivalent, key selection criteria include SubLVDS input voltage compliance (70–200 mV), CMOS output drive capability (up to 2 mA), power modes (17 mW active, 0.7 μW shutdown), and nFBGA-80 package compatibility with 0.5-mm ball pitch.

Technical Context

The SN65LVDS302ZXHR implements a PLL-based clock recovery architecture synchronized to incoming SubLVDS pixel clock (CLK±) and data lanes (D0±/D1±/D2±), enabling deterministic de-serialization of serialized video streams. Its shift register loads 30 bits per frame and latches validated 27-bit parallel outputs (R[7:0], G[7:0], B[7:0], HS, VS, DE, CPE) after parity checking.

Three operating modes-active, standby (15–100 μA), and shutdown (0.4–10 μA)-are controlled via RXEN and clock presence detection. The device includes failsafe logic on all CMOS inputs, glitch-suppressed RXEN (10 μs minimum pulse), and configurable output slew rate (F/S pin) to manage EMI and timing margins.

Key Specifications

Pinout & Package

SN65LVDS302ZXHR is packaged in an 80-ball nFBGA (ZXH) with 5.00 mm × 5.00 mm body size and 0.5-mm ball pitch. The package supports fine-pitch routing and thermal dissipation via bottom-side ground balls and dedicated VDD/GND planes.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar serial-to-parallel receiver applications.

Compared with SN65LVDS301ZXHR (transmitter) and SN65LVDS304ZXHR (4-lane receiver), SN65LVDS302ZXHR provides optimal 27-bit de-serialization for mainstream mobile displays, balancing pin count, power, and resolution - making it the preferred choice for QVGA–XGA applications where lane count and output width are precisely matched.

Availability

SN65LVDS302ZXHR is available at Aetrix Electronics and suitable for mobile phones, tablets, and wearable displays requiring stable component supply with guaranteed long-term availability and traceable sourcing.

Supply support for SN65LVDS302ZXHR 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 connectivity technologies with broad industrial and consumer market reach.

The SN65LVDS302ZXHR belongs to TI's FlatLink™3G interface product line, designed specifically for low-power, high-reliability video serialization in space-constrained portable electronics.

FAQ

What is the maximum pixel clock frequency supported by the SN65LVDS302ZXHR?

The SN65LVDS302ZXHR supports a maximum pixel clock frequency of 65 MHz in 3-channel receive mode, enabling XGA (1024×768) and higher-resolution displays at 60 Hz refresh rates. In 2-channel mode, the limit is 30 MHz (VGA), and in 1-channel mode, it is 15 MHz (QVGA). These values are specified under recommended operating conditions with proper power supply decoupling and signal integrity layout.

How does the bus-swap function work on the SN65LVDS302ZXHR?

The SWAP pin on the SN65LVDS302ZXHR controls output bus ordering: when SWAP = low, R7–R0, G7–G0, B7–B0 appear left-to-right on the PCB; when SWAP = high, the order reverses to B0–B7, G0–G7, R0–R7. This allows identical PCB layouts for top- or bottom-side placement of the SN65LVDS302ZXHR without redesigning traces or changing firmware.

What happens when a parity error is detected by the SN65LVDS302ZXHR?

When the SN65LVDS302ZXHR detects a parity error in the received 30-bit frame, it asserts the CPE (Channel Parity Error) output with a high pulse lasting half a PCLK cycle and holds the previous valid data word on the R/G/B/HS/VS/DE outputs for one additional clock cycle. This prevents corrupted pixel data from propagating to the LCD driver while enabling external error counting via the CPE signal.

Can the SN65LVDS302ZXHR operate with only one SubLVDS data lane?

Yes, the SN65LVDS302ZXHR supports single-lane (1ChM) operation with a pixel clock range of 4–15 MHz, delivering up to 27-bit parallel output (24 RGB + 3 control bits) at reduced data rates. Lane selection is configured via LS0 and LS1 pins, and unused lanes (D1±, D2±) enter high-impedance state automatically - simplifying design for lower-resolution displays.

What power supply domains does the SN65LVDS302ZXHR require?

The SN65LVDS302ZXHR requires four independent supply domains: VDD (1.65–1.95 V core digital), VDDLVDS (1.65–1.95 V SubLVDS I/O), VDDPLLA (1.65–1.95 V PLL analog), and VDDPLLD (1.65–1.95 V PLL digital). Each has dedicated ground returns (GND, GNDLVDS, GNDPLLA, GNDPLLD) to isolate noise and maintain low-jitter clock recovery performance.