PI3B16212A Bus FET Exchange Switch Equivalent & Substitute Parts

Part Overview

The PI3B16212A is a Bus FET Exchange Switch manufactured by Diodes Incorporated, designed for 12 x 2:2 switching applications in logic circuits. This component operates on a single 3V to 3.6V supply and is housed in a 56-TSSOP package. The part is currently classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations.

Substiute Parts

PI3B16212A

Diodes IncorporatedIn Stock: 2264PI3B16212A Datasheet

Current PartRFQ

QS3VH16212PAG

IDT, Integrated Device Technology IncIn Stock: 10825QS3VH16212PAG Datasheet

DirectRFQ

SN74CBTLV16212DL

Texas InstrumentsIn Stock: 1012SN74CBTLV16212DL Datasheet

MFR RecommendedRFQ

SN74CBTLV16212DLR

Texas InstrumentsIn Stock: 2044SN74CBTLV16212DLR Datasheet

MFR RecommendedRFQ

SN74CBTLV16212GR

Texas InstrumentsIn Stock: 3306SN74CBTLV16212GR Datasheet

MFR RecommendedRFQ

SN74CBTLV16212VR

Texas InstrumentsIn Stock: 3488SN74CBTLV16212VR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the PI3B16212A are qualified based on the following electrical and mechanical parameters:

• Circuit Configuration: All substitutes maintain the 12 x 2:2 switching topology
• Independent Circuits: Single circuit architecture preserved across all alternatives
• Operating Temperature Range: All substitutes support -40°C ~ 85°C operation
• Mounting Type: Surface mount technology maintained
• Supply Voltage Compatibility: Substitutes operate within 2.3V ~ 3.6V range, which encompasses the PI3B16212A requirement of 3V ~ 3.6V
• Package Compatibility: Substitutes are available in equivalent 56-pin packages (56-TSSOP, 56-SSOP, 56-TVSOP)

The PI3B16212A's obsolete status necessitates substitution. All identified alternatives are active products from established manufacturers, ensuring long-term availability and supply chain continuity.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation: SN74CBTLV16212GR

The SN74CBTLV16212GR from Texas Instruments is the optimal substitute for the PI3B16212A. This part maintains identical package geometry (56-TFSOP, 0.240" width), ensuring direct PCB compatibility without layout modifications. The SN74CBTLV16212GR is an active product with ROHS3 compliance, providing superior long-term availability and regulatory alignment compared to the obsolete PI3B16212A.

Secondary Recommendation: QS3VH16212PAG

The QS3VH16212PAG from IDT (Integrated Device Technology) provides an alternative with matching 56-TFSOP package dimensions. This part is actively manufactured and offers the same electrical performance envelope. Selection of this part may be preferred in applications where IDT component qualification is established.

Package-Variant Alternatives:

• SN74CBTLV16212DL / SN74CBTLV16212DLR: These Texas Instruments variants use a 56-BSSOP package (0.295" width), which is physically larger than the original PI3B16212A. PCB layout modification is required for implementation.

• SN74CBTLV16212VR: This variant employs a 56-TFSOP package with reduced width (0.173", 4.40mm), suitable for space-constrained applications. PCB footprint adjustment is necessary.

All recommended substitutes operate within the PI3B16212A's supply voltage range and maintain full functional equivalence for the 12 x 2:2 bus switching application.

Frequently Asked Questions (FAQ)

Q: Can the PI3B16212A be directly replaced with SN74CBTLV16212GR without PCB modifications?

A: Yes. The SN74CBTLV16212GR uses the same 56-TFSOP package with identical 0.240" (6.10mm) width, enabling direct pin-for-pin substitution on existing PCB layouts.

Q: What is the key difference between the Texas Instruments SN74CBTLV16212 variants?

A: The variants differ in package type and packaging format. SN74CBTLV16212GR and SN74CBTLV16212VR use 56-TFSOP packages with different widths (6.10mm and 4.40mm respectively). SN74CBTLV16212DL and SN74CBTLV16212DLR use the larger 56-BSSOP package (7.50mm width). All maintain identical electrical performance.

Q: Is the QS3VH16212PAG electrically compatible with the PI3B16212A?

A: Yes. The QS3VH16212PAG maintains the same 12 x 2:2 circuit configuration, operating temperature range, and supply voltage compatibility. The 56-TFSOP package matches the original part's footprint.

Q: Why do some substitutes have a lower minimum supply voltage (2.3V vs. 3V)?

A: The substitute parts are designed with extended voltage range capability. The PI3B16212A specifies 3V ~ 3.6V operation, while substitutes support 2.3V ~ 3.6V. This broader range does not affect compatibility; the substitutes function correctly within the original part's specified voltage window.

Q: Are all recommended substitutes RoHS compliant?

A: The Texas Instruments SN74CBTLV16212 series (all variants) are ROHS3 compliant. The IDT QS3VH16212PAG compliance status is not specified in available documentation. The original PI3B16212A is RoHS non-compliant.

Q: What packaging formats are available for the substitute parts?

A: Substitutes are available in multiple packaging formats: Bulk (QS3VH16212PAG), Tube (SN74CBTLV16212DL), and Tape & Reel (SN74CBTLV16212DLR, SN74CBTLV16212GR, SN74CBTLV16212VR). Selection depends on production volume and assembly requirements.