PI2PCIE2212ZHEX Equivalent & Substitute Parts

Part Overview

The PI2PCIE2212ZHEX is a PCI Express Switch IC manufactured by Diodes Incorporated, designed for 2-channel multiplexing and demultiplexing applications in PCI Express environments. This component operates with a single supply voltage of 1.5V to 1.8V and delivers -3dB bandwidth of 3.8GHz in a 28-TQFN (4.6x5.5mm) surface mount package.

The PI2PCIE2212ZHEX has reached obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this interface component.

Substiute Parts

PI2PCIE2212ZHEX

Diodes IncorporatedIn Stock: 8017PI2PCIE2212ZHEX Datasheet

Current PartRFQ

PI2DBS16212AZREX

Diodes IncorporatedIn Stock: 31154PI2DBS16212AZREX Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the PI2PCIE2212ZHEX is determined by the following critical parameters:

• Functional Equivalence: 2:1 multiplexer/demultiplexer configuration with 2-channel switch capability for PCI Express applications
• Electrical Compatibility: Supply voltage range, bandwidth performance, and operating temperature range
• Physical Compatibility: Surface mount technology and package form factor
• Regulatory Compliance: RoHS3 compliance and MSL rating

The PI2DBS16212AZREX qualifies as a substitute based on matching the 2:1 multiplexer/demultiplexer circuit topology, 2-channel configuration, compatible supply voltage (1.8V within the original range), surface mount construction, and identical regulatory compliance certifications. The substitute demonstrates enhanced bandwidth performance (14GHz versus 3.8GHz) and operates within the same temperature range.

Parameter Comparison

Engineering Selection Recommendations

The PI2DBS16212AZREX is the designated substitute for the obsolete PI2PCIE2212ZHEX. Selection of this substitute is supported by the following factors:

• Active Product Status: The PI2DBS16212AZREX maintains active product status with current manufacturing support, ensuring long-term availability and supply chain stability.
• Regulatory Compliance: Both components maintain ROHS3 compliance and identical MSL ratings, satisfying environmental and handling requirements.
• Functional Compatibility: Both components implement identical 2:1 multiplexer/demultiplexer topology with 2-channel configuration, maintaining functional equivalence in PCI Express switching applications.
• Electrical Parameters: The substitute operates at 1.8V, which falls within the original component's supply voltage range of 1.5V to 1.8V. Enhanced bandwidth performance (14GHz) exceeds the original specification (3.8GHz), providing performance margin.
• Thermal Compatibility: Identical operating temperature range (-40°C to 85°C) ensures thermal performance equivalence.

Frequently Asked Questions (FAQ)

Q: Can the PI2DBS16212AZREX directly replace the PI2PCIE2212ZHEX in existing designs?

A: The PI2DBS16212AZREX provides functional substitution based on matching 2:1 multiplexer/demultiplexer topology and 2-channel configuration. However, the package differs: PI2PCIE2212ZHEX uses 28-VFQFN while PI2DBS16212AZREX uses 24-WFQFN. PCB layout modifications are required to accommodate the different package footprint and pin count.

Q: What are the key differences between these two components?

A: The primary differences are product status (obsolete versus active), package type (28-TQFN versus 24-TQFN), and bandwidth performance (3.8GHz versus 14GHz). Both maintain identical supply voltage compatibility at 1.8V, operating temperature range, and regulatory compliance.

Q: Is the higher bandwidth of the PI2DBS16212AZREX a concern for compatibility?

A: No. Enhanced bandwidth performance represents a performance improvement and does not create compatibility issues. The substitute operates within the same electrical and thermal parameters as the original component.

Q: Are there any supply voltage considerations when substituting?

A: The original component specifies 1.5V to 1.8V supply range. The substitute operates at 1.8V, which is within this range. Designs operating at 1.5V require verification that the substitute's fixed 1.8V specification meets system requirements.

Q: What packaging considerations apply to this substitution?

A: The substitute uses a smaller 24-WFQFN (2.5x2.5mm) package compared to the original 28-VFQFN (4.6x5.5mm) package. PCB redesign is necessary to accommodate the different footprint, pin configuration, and exposed pad dimensions.