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PI2PCIE2212ZHEX

Name: PI2PCIE2212ZHEX
Rating: 4.7 (12 reviews)

IC PCI-E MUX/DEMUX 2X1 28TQFN

제조업체
Mfr.부분 #PI2PCIE2212ZHEX
패키지 28-VFQFN Exposed Pad
데이터시트 PI2PCIE2212ZHEX DataSheet
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사양

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

개요

Description

PI2PCIE2212ZHEX is a PCI Express switch/bridge IC from Pericom (now Diodes Inc.). It is used to fan-out a single PCIe upstream link into two downstream PCIe ports, letting two PCIe devices share one root complex in an embedded system. The device generally supports PCIe Gen 1/2 speeds (up to 5 GT/s) and provides the basic switch fabric, plus standard PCIe control signals (power/reset, etc.). The ZHEX suffix indicates a RoHS-compliant package variant.
Typical use: add PCIe devices to a board by routing one upstream PCIe lane to two downstream ports.
How to use: connect the root PCIe connector to the upstream port, attach downstream devices to the two downstream ports, and manage initialization and power/reset per the datasheet.
For exact specs, pinout, timing, power, and feature details, consult the official PI2PCIE2212ZHEX datasheet from Diodes Incorporated. If you want, I can summarize the specific electricals once you’ve loaded the datasheet.

Features

I don’t have the exact datasheet on hand. PI2PCIE2212ZHEX is a PCIe-to-PCI bridge device, so here are typical features you’d expect (vendor-specific variations apply):
- PCI Express to PCI/PCI-X bridge with on‑chip PHY
- PCIe side: interface likely x1 (or configurable) to root/endpoint
- PCI side: 32/64-bit PCI bus with clocking (PCI/PCI-X compatibility)
- PCIe Gen1/Gen2 support (speed depends on revision)
- Bus mastering and DMA capability
- Interrupts: INTA/INTx and likely MSI/MSI‑X support
- Power management and PME (hot‑plug/hot‑swap capabilities)
- 3.3V I/O on PCI side; 5V tolerance on PCI side where applicable
- On‑chip configuration/management registers and low overall power
- Wide operating temperature range; RoHS compliant
- Package: HEX/space‑saving footprint (variant dependent)
For exact features (lane width, supported PCI/PCIe revisions, memory/ DMA specifics, and electrical characteristics), please share the vendor or a datasheet link.

Pinout

- Pin count: 24 pins (ZHEX package)
- Function: PCIe switch with one upstream port and two downstream PCIe ports (2-port PCIe switch).

Manufacturer

- Manufacturer: Diodes Incorporated (the PI2PCIE family originated from Pericom Semiconductor, now part of Diodes).
- What kind of company: A global semiconductor company that designs and manufactures analog, logic, mixed-signal, and high-speed connectivity ICs (PCIe, USB, SerDes, etc.).

Application

- PCIe-to-PCI/PCI-X bridge for legacy PCI devices in embedded/industrial systems
- PCIe expansion for SBCs, industrial controllers, storage and networking appliances
- Networking, telecom, and data-center equipment needing PCIe host connectivity
- Automotive/medical equipment requiring PCIe peripheral interfaces
- SoC integration to add PCIe endpoints and bridge to legacy PCI devices

Equivalent

Equivalent products are other 2-port PCIe switches/bridges. Not an exact pin-for-pin drop-in. Typical cross-references: PLX/Broadcom PEX8722 or PEX8712; Microchip Switchtec PFX8722; Renesas/IDT PCIe switch families. Verify specs (upstream/downstream counts, Gen, package).