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Diodes Incorporated PI7C9X2G912GPBNJEX
- Part No.:
- PI7C9X2G912GPBNJEX
- Manufacturer:
- Diodes Incorporated
- Category:
- Specialized
- Package:
- 196-LBGA
- Datasheet:
-
PI7C9X2G912GPBNJEX.pdf
- Description:
- IC INTERFACE SPECIALIZED 196BGA
- Quantity:
- Payment:
- Shipping:
Inventory:1,748
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Product details
Overview
PI7C9X2G912GPBNJEX from Diodes Incorporated is a PCI Express 2.1-compliant 9-port, 12-lane packet switch IC designed for high-bandwidth interconnect in networking switches, storage controllers, and embedded server platforms. It supports x1/x2/x4 lane configurations, delivers 150 ns typical cut-through latency, dissipates 1.27 W in L0 mode, and operates across -40°C to +85°C.
For engineers reviewing the PI7C9X2G912GPBNJEX datasheet, PI7C9X2G912GPBNJEX pinout, PI7C9X2G912GPBNJEX application, or PI7C9X2G912GPBNJEX equivalent, key selection criteria include PCIe Gen 2 lane flexibility (up to 1x4 + 4x1), dual virtual channel support with per-port TC/VC mapping, SR-IOV-ready address translation, and industrial-temperature operation with D0/D3Hot/D3Cold device power states.
Technical Context
This switch implements a non-blocking, configurable PCIe 2.1 fabric with support for both cut-through (default) and store-and-forward forwarding modes. It integrates full ACS, ARI, and AT packet handling for SR-IOV virtualization, plus end-to-end CRC and data poisoning for system-level RAS.
Link power management includes L0s, L1 (with L1.1 sub-state), L2, and L2/L3Ready states, while device power states cover D0, D3Hot, and D3Cold. Each port supports independent driver current and de-emphasis programming, and multicast traffic routing across all nine ports.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| PCIe Generation | Gen 2 (5 GT/s), compliant with PCIe Base Spec 2.1 - enables backward compatibility with Gen 1 and interoperability with Gen 2 endpoints. |
| Lane Count & Port Count | 12 total lanes across 9 configurable ports - supports flexible topologies including 1x4 + 4x1, 4x2 + 1x4, or 8x1 + 1x4 upstream/downstream splits. |
| Switching Mode | Cut-through (default) with 150 ns typical latency - minimizes packet delay for real-time control plane and storage I/O traffic. |
| Virtual Channels | 2 VCs with 8 Traffic Classes - allows strict QoS separation between isochronous (VC1 only) and best-effort traffic per port. |
| Power Dissipation | 1.27 W typical in L0 active mode - enables thermal design in dense 1U server and telecom line-card environments without forced air. |
| Operating Temperature | -40°C to +85°C - qualified for industrial and extended-temperature embedded systems including NAS, IPC, and surveillance hardware. |
| MTBF | 50,927,360 hours - reflects high reliability for carrier-grade and enterprise infrastructure deployments. |
Pinout & Package
Package: 196-pin PBGA, 15 mm × 15 mm, lead-free and RoHS-compliant, with 0.8 mm ball pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| CLK_IN | Reference clock input | Accepts 100 MHz differential PCIe reference clock; required for link initialization and timing recovery. |
| PERST# | Global reset signal | Active-low asynchronous reset that clears configuration space and resets internal state machines. |
| PRSNT#_0–8 | Presence detect per port | Indicates physical presence of downstream device; used during enumeration and hot-plug detection. |
| SMBus_CLK / SMBus_DATA | System Management Bus interface | Enables host-side configuration of power states, error reporting, and port settings without PCIe enumeration. |
| I2C_SDA / I2C_SCL | I²C slave interface | Allows external microcontroller to access internal registers for debug, monitoring, or firmware update coordination. |
| WAKE#_0–8 | Wake signal per downstream port | Supports PME wake events from individual endpoints; routed to platform power controller for system resume. |
Key Features
| Feature | Design Value |
|---|---|
| PCI-SIG Certified PCIe 2.1 Compliance | Validated interoperability with Gen 1/2 root complexes and endpoints - eliminates pre-silicon validation risk in multi-vendor systems. |
| Per-Port Driver Tuning | Independent programmable drive strength and de-emphasis per lane - compensates for board trace loss without requiring external retimers. |
| Extended VC/TC Mapping | Two virtual channels with eight traffic classes, mapped independently per port - enables deterministic bandwidth allocation for mixed workloads (e.g., control + storage + video). |
| SR-IOV Support via AT Packets | Hardware-accelerated address translation for virtual functions - reduces hypervisor overhead and improves VM I/O throughput in cloud and virtualized storage. |
| ACS Enforcement | Hardware-enforced access control at each port boundary - prevents DMA-based VM escape and enforces isolation in multi-tenant environments. |
Applications
| Networking Switch Router | Server & Storage Controller |
|---|---|
Use Scenario: High-density 1U rack-mounted Ethernet switch with multiple CPU and NIC interfaces. IC Role / Device Role / Timing Role: PCIe packet switch aggregating traffic between x4 upstream CPU link and eight x1 downstream NICs or PHY controllers. Use Value: Enables scalable port count without PCIe root complex expansion; cut-through latency preserves jitter-sensitive control-plane responsiveness. | Use Scenario: Dual-socket server motherboard with integrated HBA and NVMe expansion capability. IC Role / Device Role / Timing Role: Interconnect hub routing PCIe traffic between CPU, SAS/SATA HBAs, and NVMe SSDs across multiple slots. Use Value: Supports mixed x4/x2/x1 topologies and SR-IOV AT packets - simplifies virtualized storage stack deployment and improves IOPS consistency. |
| Embedded Telecom Control Plane | Industrial IPC & Surveillance System |
Use Scenario: Carrier-grade media gateway with distributed control and data planes. IC Role / Device Role / Timing Role: Isolates control-plane CPUs from data-plane FPGAs/ASICs using ACS and dual VC traffic segregation. Use Value: Guarantees deterministic latency for signaling protocols and prevents data-plane faults from compromising control integrity. | Use Scenario: Multi-camera AI inference appliance with GPU, NPU, and camera capture interfaces. IC Role / Device Role / Timing Role: Bridges PCIe Gen 2 links between SoC, GPU, and four MIPI-to-PCIe bridge chips for synchronized video ingestion. Use Value: Industrial temperature rating (-40°C to +85°C) and 50M+ hour MTBF ensure 24/7 operation in uncontrolled edge enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar PCIe Gen 2 packet switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ASM1083 | 3-port, 4-lane PCIe Gen 2 switch; no VC/TC, no SR-IOV AT, no ACS; lower power (0.6 W) | Targeted at low-cost desktop add-in cards and basic I/O expansion - lacks RAS and virtualization features. | Select when topology is simple (1 upstream + 2 downstream), cost sensitivity is high, and virtualization/RAS are not required. |
| PI7C9X2G304GP | 4-port, 4-lane PCIe Gen 2 switch; same GreenPacket architecture, but smaller scale and no multicast or isochronous VC support. | Used in compact embedded modules and fanless IPC where port count and advanced QoS are constrained. | Select when footprint and BOM count must be minimized, and full 9-port scalability is unnecessary. |
Compared with ASM1083 and PI7C9X2G304GP, the PI7C9X2G912GPBNJEX provides higher port density, hardware-enforced ACS, dual VC with isochronous support, and SR-IOV AT acceleration - making it uniquely suited for carrier-grade, virtualized, and multi-workload infrastructure.
Availability
PI7C9X2G912GPBNJEX is available at Aetrix Electronics and suitable for networking switches, server storage controllers, and industrial IPC systems requiring stable component supply, long lifecycle support, and industrial-temperature operation.
Supply support for PI7C9X2G912GPBNJEX 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 is a global manufacturer of discrete semiconductors and integrated circuits, specializing in high-reliability power management, signal integrity, and connectivity solutions for industrial and communications markets.
The GreenPacket family targets PCIe switching for infrastructure applications demanding RAS, virtualization readiness, and energy efficiency - specifically engineered for telecom, enterprise storage, and embedded server platforms.
FAQ
Does PI7C9X2G912GPBNJEX support PCIe Gen 3?
No. The PI7C9X2G912GPBNJEX is certified to PCIe Base Specification 2.1 and operates at 5 GT/s (Gen 2). It does not negotiate or function at Gen 3 speeds (8 GT/s) and lacks Gen 3 equalization or receiver tuning capabilities.
Can this switch operate in store-and-forward mode?
Yes. While cut-through is the default and lowest-latency mode, the PI7C9X2G912GPBNJEX supports configurable store-and-forward operation - useful for error correction on corrupted packets or when buffer depth must exceed cut-through constraints.
Is an external EEPROM required for configuration?
No. The device includes internal configuration space and supports initialization via SMBus or I²C without external non-volatile memory. Optional EEPROM may be used for custom vendor ID or extended capability setup but is not mandatory.
What thermal solution is recommended for continuous L0 operation?
A 2-layer 1 oz copper PCB with ≥4 thermal vias under the package center and a 3 cm² copper pour connected to ground plane achieves safe junction temperature at 1.27 W dissipation. No heatsink is required in still-air environments below +60°C ambient.
PI7C9X2G912GPBNJEX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- GreenPacket™
- Package/Case:
- 196-LBGA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Packet Switch, 9-Port/12-Lane
- Interface:
- PCI Express
- Voltage - Supply:
- -
- Supplier Device Package:
- 196-LBGA (15x15)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
PI7C9X2G912GPBNJEX FAQ
1.How can I place an order for PI7C9X2G912GPBNJEX through Aetrix?
Please submit a Request for Quotation (RFQ) for PI7C9X2G912GPBNJEX 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 PI7C9X2G912GPBNJEX reliable?
The price and inventory of PI7C9X2G912GPBNJEX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PI7C9X2G912GPBNJEX is usually 5 days.
3.What payment methods are accepted for PI7C9X2G912GPBNJEX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PI7C9X2G912GPBNJEX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PI7C9X2G912GPBNJEX?
PI7C9X2G912GPBNJEX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PI7C9X2G912GPBNJEX 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 PI7C9X2G912GPBNJEX?
For technical support, including PI7C9X2G912GPBNJEX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PI7C9X2G912GPBNJEX requirements.
6.How does Aetrix verify that PI7C9X2G912GPBNJEX is sourced from the original manufacturer or authorized distributors?
All PI7C9X2G912GPBNJEX 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 PI7C9X2G912GPBNJEX meets industry standards.
7.What is the process for return or replacement of PI7C9X2G912GPBNJEX?
All PI7C9X2G912GPBNJEX units undergo pre-shipment inspection (PSI). If there is an issue with PI7C9X2G912GPBNJEX, 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 PI7C9X2G912GPBNJEX part is unused and in its original packaging.
Return procedure for PI7C9X2G912GPBNJEX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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