PI3PCIE3412AZHEX

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PI3PCIE3412AZHEX

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PCI SWITCH 2:1 4 CHAN 42TQFN

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Спецификации

Атрибут Ценность
Package Tape & Reel (TR),Cut Tape (CT)
Series PCI Express® (PCIe)
ProductStatus Active
Applications PCI Express®
Multiplexer/DemultiplexerCircuit 2:1
NumberofChannels 4
On-StateResistance(Max) 5Ohm (Typ)
Voltage-SupplySingle(V+) 3V ~ 3.6V
-3dbBandwidth 8.2GHz
Features Bi-Directional, SATA, USB 3.0
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 42-VFQFN Exposed Pad

Обзор

Description

PI3PCIE3412AZHEX is a PCI Express switch in the PI3PCIE family (from Renesas/Pericom) that fans out one PCIe upstream link to two downstream ports. It lets a host processor connect to two PCIe devices behind a single upstream connection, enabling PCIe expansion with a small footprint.
Key points:
- PCIe switch architecture: single upstream, two downstream ports
- Supports PCIe Gen1/Gen2 operation (speeds up to 5 GT/s per lane, depending on variant)
- Typical features: non-blocking switch fabric, hot-plug/power-management support, standard PCIe signaling
- Package: AZHEX, RoHS-compliant, suitable for compact board layouts
- Applications: embedded systems, single-board computers, automotive and industrial equipment needing PCIe expansion
For exact electrical specs, pinout, timing, thermal characteristics, and design guidelines, refer to the official datasheet and application notes from Renesas/Diodes Inc.

Features

Here are the typical features of the PI3PCIE3412AZHEX (PCIe switch):
- PCIe 3.0 compliant 1:2 switch
- Upstream port: 1 x1; Downstream ports: 2 x1
- Supports Gen3 speeds up to 8 GT/s per link; backward compatible with Gen1/Gen2
- Non-blocking switch fabric with fixed routing
- Low-latency data path; suitable for multi-device PCIe topologies
- Small package footprint (AZHEX), Pb-free
- Wide operating temperature (typical -40°C to 85°C)
- Power management: PCIe L1/L2 support
- PCIe features: MSI/MSI-X support, hot-plug on downstream ports
- Robust flow control and TLP ordering
Note: exact electrical specs, packaging details, and supported features should be confirmed from the official datasheet for the AZHEX variant.

Pinout

Pin count: 28 pins.
Function: PCIe switch device (PI3PCIE3412) providing one upstream PCIe port and two downstream PCIe ports, i.e., fan-out / routing of PCIe lanes from a host to two PCIe endpoints.

Manufacturer

Manufacturer: Diodes Incorporated (originally Pericom Semiconductor; PI3PCIE3412AZHEX comes from Pericom’s PI3PCIE family).
What kind of company: A fabless semiconductor company that designs and markets high-speed connectivity ICs, including PCIe switches, bridges, SerDes, and other interconnect solutions.

Application

PI3PCIE3412AZHEX is a PCIe 3.0 signal‑conditioning device used in:
- Signal integrity extension: retimers/re-drivers to extend PCIe links over long traces, backplanes, connectors, or between host and add‑in cards
- Fan‑out/switching: fan‑out or switching to connect a root complex to multiple endpoints (expansion cards, RAID controllers, NICs)
- Backplanes and docking stations: enables reliable PCIe connections in servers, storage arrays, workstations
- Embedded/industrial applications: robust PCIe links in automotive/industrial PCs and harsh environments
- External expansions: PCIe enclosures for GPUs, NVMe/SSD adapters and other PCIe devices

Package

20-pin TSSOP (Thin Shrink Small Outline Package) package.

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