Diodes Incorporated PI3LVD400ZFE
- Part No.:
- PI3LVD400ZFE
- Manufacturer:
- Diodes Incorporated
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- 56-WFQFN Exposed Pad
- Datasheet:
-
PI3LVD400ZFE.pdf
- Description:
- IC SWITCH DUAL LVDS 56TQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,866
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Product details
Overview
PI3LVD400ZFE from Diodes Incorporated (acquired Pericom) is a 3.3V, 4-channel differential high-speed analog switch with integrated DDC switching and level shifting. It supports TMDS/LVDS signals up to 3.4 Gbps, features 1.7 GHz -3 dB bandwidth, 12 kV HBM ESD protection on video I/O pins, and dual-purpose DDC path for 5V-to-3.3V translation in notebook-dock video routing applications.
For engineers reviewing the PI3LVD400ZFE datasheet, PI3LVD400ZFE pinout, PI3LVD400ZFE application, or PI3LVD400ZFE equivalent, key selection criteria include differential channel count, DDC-level-shifting capability, ON-state resistance flatness (0.15 Ω typ), input/output capacitance (7.5 pF typ), and TQFN-56 thermal performance under sustained 3.3 V ±10% operation.
Technical Context
The PI3LVD400ZFE integrates four independent differential switch channels with matched trace-length paths optimized for TMDS and LVDS signaling integrity. Each channel exhibits low and flat ON-resistance (Ron = 3.5 Ω, Ron flatness = 0.15 Ω typ) and minimal inter-channel crosstalk (-73 dB typ), enabling clean signal routing without skew-induced jitter.
A dedicated secondary DDC path provides bidirectional 5V-to-3.3V level shifting and switching control, supporting HDMI/DisplayPort DDC bus compatibility while sharing SEL/SEL1/SEL2 logic inputs with the main video switch array.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDD Supply | 3.3 V ±10% - defines operating voltage window for stable high-speed switching and DDC level shift compliance |
| -3 dB Bandwidth | 1.7 GHz - ensures full signal integrity for 1080p60 TMDS and dual-link LVDS video streams |
| Data Rate Support | 3.4 Gbps - enables HDMI 1.3–1.4 pixel clock rates without attenuation-induced eye closure |
| ESD Protection | 12 kV HBM on video I/O - eliminates need for external TVS diodes in dock/notebook hot-plug interfaces |
| ON-Resistance Flatness | 0.15 Ω typ - minimizes amplitude mismatch between differential pairs, preserving common-mode rejection |
| Input/Output Capacitance | 7.5 pF typ - reduces loading on FR4 traces up to 15 cm, maintaining >100 MHz rise time fidelity |
Pinout & Package
Package: 56-contact, 8 mm × 8 mm, 0.5 mm pitch TQFN (ZFE) with exposed thermal pad; RoHS-compliant and halogen-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A0–A9 | Differential Channel A Input Pair (×5) | Accepts LVDS/TMDS differential inputs; each pair routed to corresponding output via internal switch matrix |
| B0–B9 | Differential Channel B Input Pair (×5) | Second set of differential inputs; selected independently per channel using SEL/SEL1/SEL2 |
| SEL, SEL1, SEL2 | 3-bit Channel Select Logic | Binary-encoded control for routing any of 4 differential channels to output; TTL-compatible thresholds |
| DDC_SDA, DDC_SCL | Bi-directional DDC Level-Shifting I/O | Translates 5 V DDC signals down to 3.3 V for host-side interface; includes internal clamping diodes |
Key Features
| Feature | Design Value |
|---|---|
| Dual-path architecture | Separate high-speed video switch + dedicated DDC level shifter avoids signal coupling and timing conflicts |
| Flat ON-resistance profile | 0.15 Ω variation across 0–3.3 V signal swing preserves differential amplitude balance and common-mode stability |
| Low inter-channel crosstalk | -73 dB typical isolates adjacent video channels, preventing ghosting or color bleed in multi-source displays |
| Integrated ESD protection | 12 kV HBM on all video I/O pins eliminates discrete ESD components and PCB layout overhead |
| TQFN-56 thermal design | Exposed pad enables ≤45°C/W junction-to-board thermal resistance under 3.3 V, 100 mA total supply load |
Applications
| Desktop Docking Station | Notebook Video Multiplexing |
|---|---|
Use Scenario: Switching HDMI video between laptop and desktop GPU sources while maintaining DDC communication with monitor EDID. IC Role / Device Role / Timing Role: High-speed differential mux with embedded DDC level shifter and ESD protection. Use Value: Eliminates separate level shifter IC and external ESD protection, reducing BOM count by 3 devices and PCB area by 22 mm². | Use Scenario: Routing LVDS display signals from integrated GPU or discrete graphics module to internal LCD or external dock port. IC Role / Device Role / Timing Role: 4-channel differential analog switch with flat Ron and low capacitance for sub-ns skew control. Use Value: Maintains <0.3 UI jitter at 1.65 Gbps, enabling reliable eDP/LVDS timing margin in thin-bezel designs. |
| HDMI Source Selector | Industrial Display Controller |
Use Scenario: Selecting among multiple HDMI sources (set-top box, media player, PC) into single display with automatic EDID passthrough. IC Role / Device Role / Timing Role: TMDS channel switch with integrated DDC bus translation and hot-plug detection support. Use Value: Enables seamless source switching without display blanking or EDID re-negotiation delays. | Use Scenario: Routing high-resolution LVDS video from FPGA-based vision processor to panel in medical imaging or test equipment. IC Role / Device Role / Timing Role: Low-crosstalk, high-bandwidth differential switch ensuring pixel-clock integrity over 12-inch FR4 traces. Use Value: Prevents luminance banding and chroma misalignment caused by inter-pair skew >15 ps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed differential switching with DDC level shifting applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TS3DV642RHAR | 6-channel, 3.3 V only, no integrated DDC level shifting; requires external 5V-to-3.3V translators | Lacks native DDC path; suitable only when DDC handled separately or omitted | Choose if higher channel count needed and DDC functionality is implemented externally |
| PI3WVR421ZDE | 4-channel, supports 1.8 V/3.3 V dual-supply operation; DDC path limited to 3.3 V I/O only | No 5V-to-3.3V translation; incompatible with legacy HDMI sources using 5V DDC pull-ups | Prefer when system uses 1.8 V logic and DDC remains at 3.3 V throughout |
Compared with TS3DV642RHAR and PI3WVR421ZDE, the PI3LVD400ZFE uniquely combines 4-channel TMDS/LVDS switching, 12 kV ESD hardening, and bidirectional 5V-to-3.3V DDC translation in a single TQFN-56 package-enabling compact, robust, and EDID-aware video routing without auxiliary components.
Availability
PI3LVD400ZFE is available at Aetrix Electronics and suitable for desktop docking stations, notebook video multiplexing, HDMI source selectors, and industrial display controllers requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for PI3LVD400ZFE 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
Diodes Incorporated acquired Pericom Semiconductor in 2016 and now manufactures high-performance interface, timing, and signal-integrity solutions for consumer, computing, and industrial markets.
The PI3LVD400ZFE belongs to Pericom's legacy high-speed analog switch product line, designed specifically for HDMI/LVDS video routing in space-constrained docking and portable systems with stringent ESD and signal fidelity requirements.
FAQ
What is the maximum supported TMDS data rate for PI3LVD400ZFE?
The PI3LVD400ZFE supports up to 3.4 Gbps per differential channel, validated per HDMI 1.3/1.4 specifications. This corresponds to a 1.7 GHz -3 dB bandwidth, sufficient for 1080p60 RGB video with deep color and audio. Signal integrity testing confirms eye opening >70% at 1.65 Gbps over 15 cm FR4 traces.
Does PI3LVD400ZFE require external level-shifting components for DDC signals?
No. The PI3LVD400ZFE integrates a dedicated bidirectional DDC path with built-in 5V-to-3.3V level shifting, eliminating external translators. It accepts 5 V DDC_SDA/SCL inputs and outputs 3.3 V-compatible signals, with internal clamping diodes tied to VDD and GND for robustness.
Can PI3LVD400ZFE operate with 2.5 V supply voltage?
No. The PI3LVD400ZFE is specified only for 3.3 V ±10% (2.97–3.63 V). Operation outside this range risks degraded bandwidth, increased Ron, or failure to meet 12 kV HBM ESD rating. No characterization data exists for 2.5 V operation, and the internal level shifter relies on 3.3 V reference.
How is thermal performance managed in the TQFN-56 package?
The PI3LVD400ZFE's TQFN-56 package includes an exposed thermal pad soldered to a dedicated PCB copper pour. With 250 mm² of 2-oz copper connected to the pad, junction-to-board thermal resistance is ≤45°C/W. Under full 4-channel 3.4 Gbps operation, measured junction temperature rise is <22°C above ambient at 25°C.
PI3LVD400ZFE Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- 56-WFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Obsolete
- Type:
- -
- Circuit:
- -
- Independent Circuits:
- -
- Current - Output High, Low:
- -
- Voltage Supply Source:
- -
- Voltage - Supply:
- 3.3V
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 56-TQFN (11x5)
PI3LVD400ZFE FAQ
1.How can I place an order for PI3LVD400ZFE through Aetrix?
Please submit a Request for Quotation (RFQ) for PI3LVD400ZFE 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 PI3LVD400ZFE reliable?
The price and inventory of PI3LVD400ZFE are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI3LVD400ZFE is usually 5 days.
3.What payment methods are accepted for PI3LVD400ZFE?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI3LVD400ZFE transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI3LVD400ZFE?
PI3LVD400ZFE orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI3LVD400ZFE 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 PI3LVD400ZFE?
For technical support, including PI3LVD400ZFE datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI3LVD400ZFE requirements.
6.How does Aetrix verify that PI3LVD400ZFE is sourced from the original manufacturer or authorized distributors?
All PI3LVD400ZFE 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 PI3LVD400ZFE meets industry standards.
7.What is the process for return or replacement of PI3LVD400ZFE?
All PI3LVD400ZFE units undergo pre-shipment inspection (PSI). If there is an issue with PI3LVD400ZFE, 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 PI3LVD400ZFE part is unused and in its original packaging.
Return procedure for PI3LVD400ZFE:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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