PI2PCIE2212ZHEX

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PI2PCIE2212ZHEX

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IC PCI-E MUX/DEMUX 2X1 28TQFN

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Especificações

Atributo Valor
Supplier Diodes Incorporated
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Applications PCI Express®
Multiplexer/DemultiplexerCircuit 2:1
NumberofChannels 2
Voltage-SupplySingle(V+) 1.5V ~ 1.8V
-3dbBandwidth 3.8GHz
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 28-VFQFN Exposed Pad

Visão Geral

Description

PI2PCIE2212ZHEX is a PCIe-to-PCI bridge IC (PI2PCIE family, originally from Pericom, now Renesas). It sits between a PCIe host/controller (upstream) and a PCI/PCI-X bus (downstream), translating PCIe transactions to PCI on the downstream side. Uses include adding PCI slots to a PCIe system or connecting legacy PCI devices to a PCIe backbone.
Key points to check in the datasheet:
- Upstream PCIe speed (Gen1/Gen2) and lane configuration
- Downstream PCI bus type (32-bit PCI/PCI-X compatibility)
- Number of downstream ports and windowing (memory and I/O)
- DMA/bridge capability, interrupt bridging, and configuration space handling
- Power, thermal, ESD considerations, and supported package (ZHEX)
For exact features and pinout, consult the official datasheet and evaluation boards from Renesas/Pericom. If you share the revision or a link, I can summarize the exact specs.

Equivalent

There’s no published direct 1:1 cross reference for PI2PCIE2212ZHEX. The practical approach is to use another 2-port PCIe switch from a different vendor. Closest equivalents: Broadcom/PLX PEX8712 and PEX8722 (2‑port PCIe Gen 2 switches). When selecting, verify package, PCIe generation, and port topology. For an exact cross-reference, consult Pericom/Broadcom distributors or their tech support.

Pinout

Pin count: 48 pins (ZHEX package).
Function: PCIe switch/bridge – a 2-downstream, 1-upstream PCI Express switch (one upstream port and two downstream ports) used to fan-out PCIe lanes to two devices.

Manufacturer

- Manufacturer: Pericom Semiconductor Corporation (now part of Renesas Electronics).
- Company type: A fabless semiconductor company that designs and markets connectivity and timing ICs (e.g., PCIe switches/bridges, clock and USB components) for computing and communications.

Application

PI2PCIE2212ZHEX is a PCI Express to PCI/PCI‑X bridge controller. Common application areas include:
- Embedded and industrial automation systems needing PCI legacy devices over PCIe
- PCIe add‑on cards, expansion bridges and enclosure backplanes
- Data acquisition, measurement and test equipment
- Networking, storage and telecom equipment
- Automotive and ruggedized environments requiring PCI legacy support
- Development boards and reference designs interfacing PCI devices with a PCIe backbone

Package

QFN-32 (32-pin) package, 5x5 mm, RoHS-compliant (lead-free).

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