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HomeProductsIntegrated Circuits (ICs)Interface - SpecializedTMDS1204IRNQR
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TMDS1204IRNQR - Texas Instruments

Manufacturer Part Number
TMDS1204IRNQR
Manufacturer
Texas Instruments
Allelco Part Number
98D-TMDS1204IRNQR
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
31,504 pcs available, New & Original
Parts Description
12-GBPS HDMI 2.1 SINK REDRIVER
Package
40-WQFN (6x4)
Data sheet
TMDS1204IRNQR.pdf

Datasheets

TMDS1204.pdf
RoHs Status
 
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In stock: 31504
  • Unit Price: $6.383
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $6.383 $6.38
10+ $6.24 $62.40
30+ $6.144 $184.32
100+ $6.048 $604.80
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TMDS1204IRNQR Tech Specifications
Texas Instruments - TMDS1204IRNQR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - TMDS1204IRNQR

Product Attribute Attribute Value
Manufacturer Texas Instruments
Voltage - Supply 3V ~ 3.465V, 3.135V ~ 3.6V
Supplier Device Package 40-WQFN (6x4)
Series -
Package / Case 40-WFQFN Exposed Pad
Product Attribute Attribute Value
Package Tape & Reel (TR)
Mounting Type Surface Mount
Interface I²C
Applications Desktop, Notebook PCs, TV, Video

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status Not applicable
Moisture Sensitivity Level (MSL) 2 (1 Year)
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the TMDS1204IRNQR support HDMI 2.1 signal integrity in multi-channel display systems?
The TMDS1204IRNQR is engineered to maintain high-speed signal fidelity across HDMI 12 Gbps data rates, which are critical for HDMI 2.1 applications such as 8K@60Hz or 4K@120Hz video transmission. Its redriver functionality compensates for channel loss over longer traces or through connectors by boosting differential signals while preserving timing margins. This capability ensures reliable communication between source and sink devices in environments where signal degradation could otherwise cause data errors or link instability.
What are the key differences between using the TMDS1204IRNQR versus discrete redriver solutions in a notebook PC design?
Unlike discrete redriver implementations that require multiple passive and active components with careful layout and tuning, the TMDS1204IRNQR integrates all necessary amplification, equalization, and control logic into a single 40-WQFN package. This reduces board space, simplifies BOM management, and improves consistency across production units. Additionally, its I2C interface allows real-time configuration of gain and EQ settings, offering greater flexibility than fixed-gain discrete alternatives.
Can the TMDS1204IRNQR operate reliably in industrial temperature environments?
While the TMDS1204IRNQR does not have an extended industrial temperature rating (it is specified for commercial operation), it can still function within limited industrial ranges depending on system cooling and ambient conditions. However, for applications requiring guaranteed performance from -40°C to +85°C, additional thermal design considerations or alternative components with wider temperature specifications should be evaluated to avoid reliability risks.
What impact do supply voltage variations have on the TMDS1204IRNQR’s output swing and jitter performance?
The TMDS1204IRNQR operates over a narrow supply range of 3.135V to 3.465V, ensuring consistent output amplitude and minimized power supply noise sensitivity. Within this window, the device maintains tight control over output swing and deterministic jitter—critical for meeting HDMI 2.1 eye diagram masks. Deviations outside this range may lead to reduced headroom, increased susceptibility to EMI, or failure to meet protocol timing requirements.
How does the TMDS1204IRNQR handle impedance matching and termination in high-speed HDMI traces?
The TMDS1204IRNQR assumes proper system-level 100Ω differential impedance matching at the receiver side, typically implemented via series resistors near the connector or integrated termination inside the sink device. The redriver itself does not include internal termination but amplifies incoming TMDS pairs after external termination has occurred. Designers must ensure trace impedance continuity from source through redriver inputs to avoid reflections that degrade signal integrity.
In what scenarios would one choose the TMDS1204IRNQR over competing redriver ICs like the THS7319 or PI3HDX1204?
The TMDS1204IRNQR is optimized for HDMI 2.0b/2.1 compliance and offers integrated I2C-based configuration, making it ideal for consumer electronics such as TVs and notebooks requiring plug-and-play compatibility. In contrast, the THS7319 targets lower data rates (up to 6 Gbps) and lacks HDMI-specific features, while the PI3HDX1204 focuses more on signal buffering without advanced equalization. For designs demanding 12 Gbps operation with minimal footprint and protocol-aware behavior, the TMDS1204IRNQR provides a balanced solution.
What role does the I2C interface play in customizing TMDS1204IRNQR performance for specific cable lengths?
The I2C interface enables dynamic adjustment of redrive gain and pre-emphasis levels based on detected link quality or user-defined cable profiles. This allows system firmware to adapt automatically to varying cable lengths or quality without hardware changes—useful in mass-produced devices supporting diverse accessory ecosystems. However, I2C access requires pull-up resistors and proper addressing, adding minor implementation complexity compared to hardwired configurations.
Are there any known limitations regarding simultaneous use of multiple TMDS lanes with the TMDS1204IRNQR?
The TMDS1204IRNQR processes all four TMDS channels (Clock plus three data lines) independently but shares common power, ground, and control interfaces. As long as each channel meets individual rise/fall time and skew requirements (<0.15 UI per lane), simultaneous operation is supported. However, crosstalk between adjacent channels can increase if routing is not carefully managed, especially in dense PCB layouts.
How does package size influence the TMDS1204IRNQR’s thermal performance in compact form factors?
The 40-pin WQFN (6x4 mm) package features an exposed pad for improved heat dissipation, but its small footprint limits absolute thermal resistance compared to larger packages. In high-throughput modes with sustained 12 Gbps traffic, localized self-heating may occur; thus, adequate copper pour on adjacent layers and minimal vias under the die enhance thermal conductivity. Still, peak junction temperatures must remain below specification to preserve linearity and jitter budgets.
What precautions should be taken when integrating the TMDS1204IRNQR into a legacy HDMI 1.4 design?
Although the TMDS1204IRNQR supports backward compatibility down to HDMI 1.4 speeds, its default settings may optimize for higher bandwidth. To ensure stable operation at lower data rates, the I2C interface should be used to disable unnecessary pre-emphasis or set conservative gain levels. Additionally, clock recovery circuitry must remain functional across all supported modes, so firmware should gracefully transition between speed grades without causing link resets.
Does the TMDS1204IRNQR require external biasing or reference circuits for normal operation?
No external biasing networks are needed beyond standard decoupling capacitors (typically 0.1 µF placed close to VCC pins). Internal bandgap references generate stable bias currents, enabling repeatable performance across process variations. However, analog ground and digital ground planes should be joined at a single point near the power entry to minimize digital switching noise coupling into sensitive analog paths.
How does the TMDS1204IRNQR compare to FPGA-based soft redriver implementations in terms of latency and power?
Dedicated silicon like the TMDS1204IRNQR offers deterministic low-latency processing with fixed propagation delays, whereas FPGA-based approaches introduce variable logic delays and consume significantly more power due to programmable interconnect overhead. For battery-powered systems such as notebooks, the integrated approach provides better energy efficiency and predictability, though FPGAs offer greater reconfigurability at the cost of increased NRE and complexity.
What are the implications of the TMDS1204IRNQR’s non-RoHS status for global market deployment?
The TMDS1204IRNQR is classified as RoHS non-compliant, primarily due to lead-free manufacturing exemptions tied to certain semiconductor processes. This affects export eligibility into regions with strict RoHS enforcement, such as the European Union. Designers considering this part must verify end-product compliance strategies, potentially selecting alternate parts or negotiating regulatory carve-outs if required for final system certification.
Can the TMDS1204IRNQR drive signals beyond standard HDMI cable lengths without additional assistance?
While capable of extending reach up to ~15 meters over high-quality HDMI cables, practical limits depend on cable construction, frequency content, and connector losses. Beyond these distances, even the TMDS1204IRNQR’s maximum boost may be insufficient, necessitating active optical converters or signal repeaters. Its internal equalizer helps mitigate ISI but cannot compensate for excessive attenuation above 12 GHz fundamental frequencies.
How does the TMDS1204IRNQR interact with EDID and HDCP handshaking protocols?
The TMDS1204IRNQR does not participate directly in EDID or HDCP negotiation—these occur over DDC (Display Data Channel) lines separate from TMDS. However, its presence must not interfere with DDC signaling, which typically runs at 100 kHz over I²C. Proper isolation between high-speed TMDS traces and DDC lines prevents capacitive coupling that could corrupt handshake packets during hot-plug events.
What design considerations apply when cascading multiple TMDS1204IRNQR devices along the signal path?
Cascading redrivers is generally discouraged unless absolutely necessary, as each stage introduces additional jitter, delay, and potential for mode mismatch. If required, both devices should operate identically, with matched gain settings and synchronized power sequencing. Moreover, total accumulated jitter must stay within HDMI 2.1 specifications (<0.15 UI RMS), limiting the number of stages to two or fewer in most cases.
Is there a difference in pinout or package compatibility between TMDS1204IRNQR and similar TI redriver models?
The TMDS1204IRNQR uses a unique 40-pin WQFN layout optimized for HDMI 2.1 signal integrity paths. Other TI redrivers, such as the SN75DP130, employ different pin assignments and package types (e.g., TSSOP), making direct substitution impossible. Always consult mechanical drawings and electrical characteristics before assuming interchangeability, even among manufacturer-part-number prefixes suggesting similarity.
How does the TMDS1204IRNQR support hot-plug detection (HPD) functionality in host-controlled displays?
The TMDS1204IRNQR includes HPD monitoring capability that reflects the state of the HPD line to the upstream source. When a display is connected, the source receives confirmation and initiates EDID reads and HDCP setup. The redriver ensures clean HPD transitions without glitches caused by simultaneous TMDS activity, preventing false disconnects or handshake failures during plug-in events.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments TMDS1204IRNQR

Product Attribute TMDS1204IRNQT TMDS1204RNQR TMDS1204RNQT TMDS141RHARG4
Part Number TMDS1204IRNQT TMDS1204RNQR TMDS1204RNQT TMDS141RHARG4
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Applications - - - -
Voltage - Supply - - - -
Interface - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Mounting Type - Surface Mount Through Hole Surface Mount

TMDS1204IRNQR Datasheet PDF

Download TMDS1204IRNQR pdf datasheets and Texas Instruments documentation for TMDS1204IRNQR - Texas Instruments.

Datasheets
TMDS1204.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Delivery Cost

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Delivery Method

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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TMDS1204IRNQR Image

TMDS1204IRNQR

Texas Instruments
98D-TMDS1204IRNQR

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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