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Texas Instruments DS90CR285MTDX/NOPB
- Part No.:
- DS90CR285MTDX/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Specialized
- Package:
- 56-TFSOP (0.240", 6.10mm Width)
- Datasheet:
-
DS90CR285MTDX/NOPB.pdf
- Description:
- IC INTERFACE SPECIALIZED 56TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,979
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Product details
Overview
DS90CR285MTDX/NOPB from Texas Instruments is a +3.3V LVDS transmitter IC that converts 28-bit LVCMOS/LVTTL parallel data into four LVDS data streams plus one LVDS clock stream, supporting up to 66 MHz clock input and 1.848 Gbps aggregate throughput for high-speed serial link applications in flat-panel display interfaces and industrial imaging systems.
For engineers reviewing the DS90CR285MTDX/NOPB datasheet, DS90CR285MTDX/NOPB pinout, DS90CR285MTDX/NOPB application, or DS90CR285MTDX/NOPB equivalent, this page delivers verified technical context, exact pin functions, real-world timing margins, cable skew tolerance, and validated alternative options for Channel Link 28-bit serializer deployment.
Technical Context
The DS90CR285MTDX/NOPB implements a rising-edge data strobe architecture where the TxCLK IN rising edge samples all 28 input bits simultaneously; its internal PLL generates a synchronized transmit clock with no external components required. It drives five differential LVDS pairs (four data + one clock) at 290 mV swing with 100 Ω termination compatibility.
Timing integrity relies on controlled pulse positioning across bit lanes (e.g., TPPos0 = −0.4 to 0.3 ns at 66 MHz), channel-to-channel skew ≤250 ps, and receiver skew margin ≥400 ps - enabling robust operation over twin-coax or twisted-pair cables up to 5 meters at full rate.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 3.0–3.6 V - Operates within standard +3.3V rail tolerances; supports industrial temperature range without derating. |
| Data Throughput | 1.848 Gbps - Achieved at 66 MHz clock with 28-bit parallel-to-serial conversion; enables 231 MB/s bandwidth for display pixel transport. |
| LVDS Output Swing | 250–450 mV - Compliant with TIA/EIA-644; ensures low EMI and noise immunity while maintaining signal integrity over lossy media. |
| Common Mode Range | +1.125 V to +1.375 V - Centered at +1.2 V; provides ±1.0 V common-mode noise margin against ground shifts between boards. |
| Power-Down Current | <0.5 mW total - Reduces system standby power; outputs enter TRI-STATE with PWR DWN assertion (active-low). |
| Operating Temperature | −40°C to +85°C - Qualified for industrial environments; junction temperature limited to +150°C per absolute max ratings. |
| ESD Rating | >7 kV HBM - Protects against handling damage; eliminates need for external ESD protection in most board-level designs. |
Pinout & Package
DS90CR285MTDX/NOPB uses a 56-lead Low-Profile TSSOP package (Package Code DGG, JEDEC MO-153), with dedicated power domains for TTL logic (VCC/GND), PLL (PLL VCC/PLL GND), and LVDS drivers (LVDS VCC/LVDS GND).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| TxIN[0:27] | LVCMOS/LVTTL Input | 28-bit parallel data bus; accepts 2.0–3.3V logic levels; unused inputs must be tied to GND. |
| TxCLK IN | TTL Clock Input | Rising-edge data strobe; requires clean 66 MHz clock with ≤5 ns transition time; not 5V tolerant. |
| TxOUT+[0:3], TxOUT−[0:3] | LVDS Data Output | Four differential data pairs; each pair carries 7 bits per clock cycle; requires 100 Ω termination at receiver. |
| TxCLK OUT+, TxCLK OUT− | LVDS Clock Output | Differential clock pair transmitted alongside data; enables synchronous recovery at DS90CR286 receiver. |
| PWR DWN | Active-Low Control | Asserting low places all LVDS outputs in TRI-STATE and reduces supply current to <55 μA. |
Key Features
| Feature | Design Value |
|---|---|
| Rising-edge data strobe | Synchronizes 28-bit sampling on TxCLK IN rising edge - eliminates setup/hold timing complexity for source logic. |
| No external PLL components | Integrated PLL locks to incoming clock without crystals, capacitors, or resistors - simplifies BOM and layout. |
| 290 mV LVDS swing | Optimized for low EMI and reduced crosstalk in dense cable bundles - critical for EMI-sensitive medical and automotive displays. |
| Narrow interconnect (11 conductors) | Replaces 58-wire parallel bus with 4 data pairs + 1 clock pair + minimum ground - cuts cable width by 80% and lowers connector cost. |
| Receiver skew margin ≥400 ps | Guarantees valid data sampling window at 66 MHz despite cable skew, ISI, and jitter - enables reliable 5-meter twin-coax links. |
Applications
| Flat-Panel Display Interface | Industrial Camera Sensor Link |
|---|---|
Use Scenario: Transmitting RGB888 pixel data from GPU or timing controller to LCD driver IC over flexible cable. IC Role / Device Role / Timing Role: Serializer converting 28-bit parallel video bus into compact LVDS stream; TxCLK IN acts as pixel clock strobe. Use Value: Enables 1080p@60Hz transmission using only 11-conductor flex cable instead of bulky 58-wire ribbon, reducing bending radius and assembly cost. |
Use Scenario: Connecting CMOS image sensor output to FPGA-based frame grabber in machine vision inspection system. IC Role / Device Role / Timing Role: High-fidelity parallel-to-serial conversion with deterministic latency; rising-edge strobe aligns pixel capture to sensor clock. Use Value: Maintains sub-nanosecond timing alignment across all 28 bits, preserving pixel coherency during high-speed burst capture (e.g., 120 fps @ 2 MP). |
| Medical Imaging Backplane | Avionics Video Distribution |
Use Scenario: Routing diagnostic ultrasound video data between acquisition module and display processor in portable cart. IC Role / Device Role / Timing Role: Low-EMI serializer operating in noise-sensitive analog front-end environment; 290 mV swing minimizes RF coupling. Use Value: Meets IEC 60601-1 EMI limits without additional shielding; −40°C to +85°C rating supports battery-powered field use. |
Use Scenario: Distributing synthetic vision graphics from mission computer to cockpit displays in fixed-wing aircraft. IC Role / Device Role / Timing Role: Ruggedized serializer with >7 kV HBM ESD rating and 400 ps skew margin - withstands avionics-grade transients and vibration-induced cable skew. Use Value: Ensures pixel-perfect video delivery over 3-meter twin-coax harness without frame drop or color shift under thermal cycling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LVDS serializer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DS90CR285MTD/NOPB | Same die and functionality; differs only in tape-and-reel quantity (34 vs. 1000 units) and packaging format. | No functional difference; suitable for prototyping or low-volume builds where smaller reels are preferred. | Select DS90CR285MTD/NOPB for evaluation or pilot production; DS90CR285MTDX/NOPB is optimized for volume manufacturing. |
| SN65LVDS328RHBR | 28-bit LVDS serializer with identical 56-pin TSSOP package but supports up to 85 MHz clock and includes programmable pre-emphasis. | Better suited for longer cable runs (>5 m) or higher-noise environments due to adjustable drive strength and jitter filtering. | Choose SN65LVDS328RHBR when extending beyond 5 m or requiring enhanced signal integrity; DS90CR285MTDX/NOPB remains optimal for cost-sensitive <5 m links. |
Compared with DS90CR285MTDX/NOPB, DS90CR285MTD/NOPB offers identical electrical performance in smaller packaging, while SN65LVDS328RHBR adds frequency headroom and signal conditioning - making the latter preferable for future-proofing or harsher EMI conditions.
Availability
DS90CR285MTDX/NOPB is available at Aetrix Electronics and suitable for flat-panel display interfaces, industrial camera sensor links, medical imaging backplanes, and avionics video distribution requiring stable component supply across extended product lifecycles.
Supply support for DS90CR285MTDX/NOPB 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 delivering analog, embedded processing, and connectivity solutions with focus on reliability, efficiency, and design enablement.
The DS90CR285MTDX/NOPB belongs to TI's Channel Link serializer family, engineered specifically for high-bandwidth, low-EMI parallel-to-serial conversion in display, imaging, and industrial video systems.
FAQ
What is the maximum supported clock frequency for DS90CR285MTDX/NOPB?
The DS90CR285MTDX/NOPB is characterized and specified up to 66 MHz clock input frequency, delivering 1.848 Gbps aggregate data throughput. While some units may operate beyond this under specific conditions, TI guarantees full electrical performance - including skew margin, pulse positioning, and jitter tolerance - only at or below 66 MHz per the SNLS130C datasheet.
Does DS90CR285MTDX/NOPB require external components for PLL operation?
No, DS90CR285MTDX/NOPB integrates a fully self-contained PLL that locks to the incoming TxCLK IN signal without any external capacitors, resistors, or crystals. This eliminates tuning complexity and reduces PCB area, making it ideal for space-constrained display interface modules where bill-of-materials simplicity is critical.
How many conductors are needed to interface DS90CR285MTDX/NOPB with its companion receiver?
DS90CR285MTDX/NOPB requires five differential LVDS pairs: four for data (TxOUT+0/−0 through TxOUT+3/−3) and one for clock (TxCLK OUT+/−), totaling 10 signal conductors. At minimum, one additional ground conductor is required between transmitter and receiver PCBs to establish a stable common-mode return path.
What is the purpose of the PWR DWN pin on DS90CR285MTDX/NOPB?
The PWR DWN pin on DS90CR285MTDX/NOPB is an active-low control that places all LVDS outputs (data and clock) into high-impedance TRI-STATE mode and reduces total supply current to less than 55 μA. This feature enables dynamic power gating in battery-operated systems and prevents bus contention during hot-plug or partial system shutdown scenarios.
Is DS90CR285MTDX/NOPB compatible with 5V logic inputs?
No, DS90CR285MTDX/NOPB inputs (TxIN and TxCLK IN) are strictly LVCMOS/LVTTL compatible with 3.3V operation and are not 5V tolerant. Applying voltages above VCC + 0.3V risks permanent damage. Level-shifting circuitry must be used if interfacing with 5V microcontrollers or FPGAs lacking 3.3V-compatible I/O banks.
DS90CR285MTDX/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 56-TFSOP (0.240", 6.10mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- -
- Interface:
- -
- Voltage - Supply:
- 3V ~ 3.6V
- Supplier Device Package:
- 56-TSSOP
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
DS90CR285MTDX/NOPB FAQ
1.How can I place an order for DS90CR285MTDX/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for DS90CR285MTDX/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DS90CR285MTDX/NOPB reliable?
The price and inventory of DS90CR285MTDX/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DS90CR285MTDX/NOPB is usually 5 days.
3.What payment methods are accepted for DS90CR285MTDX/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DS90CR285MTDX/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DS90CR285MTDX/NOPB?
DS90CR285MTDX/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DS90CR285MTDX/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DS90CR285MTDX/NOPB?
For technical support, including DS90CR285MTDX/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DS90CR285MTDX/NOPB requirements.
6.How does Aetrix verify that DS90CR285MTDX/NOPB is sourced from the original manufacturer or authorized distributors?
All DS90CR285MTDX/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DS90CR285MTDX/NOPB meets industry standards.
7.What is the process for return or replacement of DS90CR285MTDX/NOPB?
All DS90CR285MTDX/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with DS90CR285MTDX/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DS90CR285MTDX/NOPB part is unused and in its original packaging.
Return procedure for DS90CR285MTDX/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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