PI3B16211A Equivalent & Substitute Parts

Part Overview

The PI3B16211A is a 12 x 1:1 bus switch logic integrated circuit manufactured by Diodes Incorporated in a 56-TSSOP package. This component is classified as obsolete, which necessitates identification of active equivalent and substitute parts for ongoing design requirements and production needs. The part operates with a single supply voltage range of 3V to 3.6V and supports operating temperatures from -40°C to 85°C. Due to its obsolete status, direct replacements from active product lines are essential for system continuity and component availability.

Key Parameters

Parameter	Value
Part Number	PI3B16211A
Manufacturer	Diodes Incorporated
Type	Bus Switch
Circuit Configuration	12 x 1:1
Independent Circuits	2
Voltage Supply Range	3V to 3.6V
Operating Temperature Range	-40°C to 85°C
Package Type	56-TSSOP (0.240", 6.10mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	RoHS non-compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the PI3B16211A is determined by the following critical parameters:

Functional Equivalence: All substitute parts maintain the identical 12 x 1:1 bus switch circuit configuration with 2 independent circuits, ensuring functional compatibility at the application level.

Voltage Supply Compatibility: The PI3B16211A operates at 3V to 3.6V. Substitute parts from Renesas Electronics (QS3VH series) and Texas Instruments (SN74CB and SN74CBTLV series) operate at 2.3V to 3.6V, providing backward compatibility with the original specification while extending the lower voltage operating range.

Package and Pinout: Substitutes are available in equivalent package types: 56-TSSOP, 56-TVSOP, and 56-SSOP. These packages maintain identical pinouts and mechanical compatibility for surface mount applications.

Operating Temperature Range: All substitute parts maintain the -40°C to 85°C operating temperature specification, ensuring thermal compatibility across the full operating envelope.

Compliance Status: Active substitute parts are RoHS3 compliant, addressing regulatory requirements that the obsolete PI3B16211A does not meet.

Parameter Comparison

Part Number	Manufacturer	Circuit Configuration	Voltage Supply Range	Operating Temperature	Package Type	Product Status	RoHS Status
PI3B16211A	Diodes Incorporated	12 x 1:1	3V to 3.6V	-40°C to 85°C	56-TSSOP	Obsolete	Non-compliant
QS3VH16211PAG	Renesas Electronics	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-TSSOP	Active	ROHS3 Compliant
QS3VH16211PAG8	Renesas Electronics	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-TSSOP	Active	ROHS3 Compliant
SN74CB3Q16211DGGR	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-TSSOP	Active	ROHS3 Compliant
SN74CB3Q16211DGVR	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-TVSOP	Active	ROHS3 Compliant
SN74CB3Q16211DL	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-SSOP	Active	ROHS3 Compliant
SN74CB3Q16211DLR	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-SSOP	Active	ROHS3 Compliant
SN74CBTLV16211DGG	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-TSSOP	Active	ROHS3 Compliant
SN74CBTLV16211DL	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-SSOP	Active	ROHS3 Compliant
SN74CBTLV16211DLR	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-SSOP	Active	ROHS3 Compliant
SN74CBTLV16211GR	Texas Instruments	12 x 1:1	2.3V to 3.6V	-40°C to 85°C	56-TSSOP	Active	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to the PI3B16211A and maintain compatibility across the specified electrical and mechanical parameters. Selection among substitutes should be based on the following criteria:

Product Status: All substitute parts carry active product status, ensuring long-term availability and manufacturer support. The PI3B16211A's obsolete status makes any of these substitutes suitable for new designs and production continuity.

Regulatory Compliance: All substitute parts are RoHS3 compliant, meeting current environmental and regulatory requirements. The original PI3B16211A is RoHS non-compliant and should be replaced in applications requiring regulatory adherence.

Packaging Considerations: Substitutes are available in three package variants: 56-TSSOP (0.240" width), 56-TVSOP (0.173" width), and 56-SSOP (0.295" width). Selection depends on PCB layout constraints and existing footprint compatibility. The 56-TSSOP variants provide the closest mechanical match to the original PI3B16211A.

Manufacturer Selection: Renesas Electronics QS3VH16211 series and Texas Instruments SN74CB3Q16211 and SN74CBTLV16211 series are all qualified substitutes. Manufacturer preference may be driven by supply chain relationships, inventory availability, or existing qualification documentation.

Voltage Supply Range: Substitute parts operate at 2.3V to 3.6V, extending the lower voltage boundary compared to the PI3B16211A specification of 3V to 3.6V. This provides additional design flexibility for lower-voltage applications while maintaining full compatibility with the original 3V to 3.6V range.

Frequently Asked Questions (FAQ)

Q: Can I directly replace PI3B16211A with any of the listed substitutes?

A: Yes. All listed substitutes maintain identical circuit configuration (12 x 1:1 bus switch with 2 independent circuits), operating temperature range (-40°C to 85°C), and voltage supply compatibility (3V to 3.6V operation is supported by all substitutes). Pinout compatibility is maintained across equivalent package types.

Q: What is the difference between 56-TSSOP, 56-TVSOP, and 56-SSOP packages?

A: These are surface mount package variants with different body widths. The 56-TSSOP is 0.240" (6.10mm) wide, the 56-TVSOP is 0.173" (4.40mm) wide, and the 56-SSOP is 0.295" (7.50mm) wide. All maintain identical pinout and electrical characteristics. Package selection depends on PCB layout space constraints and existing footprint design.

Q: Why do substitute parts have a lower voltage supply minimum of 2.3V compared to the PI3B16211A at 3V?

A: The substitute parts are designed with extended voltage operating ranges that encompass the original specification. The 2.3V to 3.6V range includes the original 3V to 3.6V range, ensuring backward compatibility while providing additional flexibility for lower-voltage applications.

Q: Are all substitute parts RoHS compliant?

A: Yes. All listed substitute parts are RoHS3 compliant. The original PI3B16211A is RoHS non-compliant. For applications requiring regulatory compliance, any of the listed substitutes is appropriate.

Q: What is the difference between QS3VH16211PAG and QS3VH16211PAG8?

A: Both are functionally identical Renesas Electronics parts with the same electrical specifications and 56-TSSOP package. The primary difference is packaging format: QS3VH16211PAG is supplied in Tube packaging, while QS3VH16211PAG8 is supplied in Cut Tape (CT) & Digi-Reel format. Selection depends on procurement and assembly requirements.

Q: Can I use SN74CB3Q16211 and SN74CBTLV16211 interchangeably?

A: Yes. Both Texas Instruments series maintain identical circuit configuration, voltage supply range (2.3V to 3.6V), and operating temperature specifications (-40°C to 85°C). They differ in series designation and may have different internal design characteristics, but are functionally equivalent for bus switch applications. Consult manufacturer datasheets for any application-specific performance considerations.

Q: What inventory levels are available for these substitutes?

A: Inventory varies by part number and packaging format. QS3VH16211PAG8 (Renesas) has 3763 units in stock, SN74CB3Q16211DGGR (Texas Instruments) has 6300 units, and SN74CBTLV16211GR (Texas Instruments) has 5061 units. Other variants range from 905 to 2426 units. Verify current availability with your supplier for production requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message