PI3B16211KE Equivalent & Substitute Parts

Part Overview

The PI3B16211KE is a 12 x 1:1 bus switch logic IC manufactured by Diodes Incorporated in a 56-TVSOP package. This component is classified as obsolete, making substitute parts necessary for new designs and ongoing production requirements. The part operates as a single-supply bus switch with 2 independent circuits, suitable for signal routing and multiplexing applications in logic systems.

Key Parameters

Parameter	Value
Type	Bus Switch
Circuit Configuration	12 x 1:1
Independent Circuits	2
Voltage Supply Source	Single Supply
Voltage - Supply Range	3V ~ 3.6V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	56-TFSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PI3B16211KE is determined by the following critical parameters:

Circuit Configuration: 12 x 1:1 topology with 2 independent circuits
Voltage Supply Range: Minimum 2.3V to 3.6V (substitute parts support extended lower voltage)
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package Compatibility: 56-pin SOP variants (TVSOP, TSSOP, SSOP)
Compliance: ROHS3 Compliant, MSL 1

Substitute parts are grouped by package type and manufacturer. All listed substitutes maintain the 12 x 1:1 bus switch configuration and 2 independent circuits. Voltage supply compatibility is extended in active substitutes (2.3V minimum vs. 3V minimum for the original), providing broader application flexibility. Package variants (TVSOP, TSSOP, SSOP) differ in physical dimensions but maintain electrical equivalence for the bus switch function.

Parameter Comparison

Part Number	Manufacturer	Circuit Config	Voltage Supply	Temp Range	Package Type	Package Width	Status	Inventory
PI3B16211KE	Diodes Incorporated	12 x 1:1	3V ~ 3.6V	-40°C ~ 85°C	56-TVSOP	0.173" (4.40mm)	Obsolete	895 Pcs
QS3VH16211PAG	Renesas Electronics	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-TSSOP	0.240" (6.10mm)	Active	1196 Pcs
QS3VH16211PAG8	Renesas Electronics	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-TSSOP	0.240" (6.10mm)	Active	3763 Pcs
SN74CB3Q16211DGGR	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-TSSOP	0.240" (6.10mm)	Active	6300 Pcs
SN74CB3Q16211DGVR	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-TVSOP	0.173" (4.40mm)	Active	1137 Pcs
SN74CB3Q16211DL	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-SSOP	0.295" (7.50mm)	Active	1002 Pcs
SN74CB3Q16211DLR	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-SSOP	0.295" (7.50mm)	Active	905 Pcs
SN74CBTLV16211DGG	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-TSSOP	0.240" (6.10mm)	Active	962 Pcs
SN74CBTLV16211DL	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-SSOP	0.295" (7.50mm)	Active	999 Pcs
SN74CBTLV16211DLR	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-SSOP	0.295" (7.50mm)	Active	2426 Pcs
SN74CBTLV16211GR	Texas Instruments	12 x 1:1	2.3V ~ 3.6V	-40°C ~ 85°C	56-TSSOP	0.240" (6.10mm)	Active	5061 Pcs

Engineering Selection Recommendations

All substitute parts listed maintain active product status with ROHS3 compliance and MSL 1 rating, ensuring long-term availability and regulatory alignment. The PI3B16211KE's obsolete status necessitates migration to active alternatives.

For direct package compatibility with the original 56-TVSOP form factor, SN74CB3Q16211DGVR is the primary equivalent. This Texas Instruments part maintains the narrow 0.173" (4.40mm) width while providing extended voltage supply range (2.3V minimum) and active product support.

For applications where package footprint flexibility exists, Renesas QS3VH16211PAG and QS3VH16211PAG8 offer 56-TSSOP packaging with higher inventory availability (1196 and 3763 units respectively). Texas Instruments SN74CBTLV16211GR provides the largest inventory (5061 units) in the same TSSOP package.

For designs accommodating wider 56-SSOP packaging (0.295" width), Texas Instruments SN74CB3Q16211DLR and SN74CBTLV16211DLR offer substantial inventory (905 and 2426 units) with tape & reel packaging options.

Frequently Asked Questions (FAQ)

Q: Can I use a 56-TSSOP package substitute in place of the original 56-TVSOP?

A: No. While both are 56-pin SOP variants, TSSOP (0.240" width) and TVSOP (0.173" width) have different physical footprints. PCB layout and solder reflow profiles differ. Use SN74CB3Q16211DGVR for direct TVSOP compatibility, or redesign the PCB layout if switching to TSSOP variants.

Q: What is the voltage supply difference between the original and substitutes?

A: The PI3B16211KE operates at 3V ~ 3.6V. All active substitutes support 2.3V ~ 3.6V, providing extended lower voltage capability. This is backward compatible; designs operating at 3V ~ 3.6V function identically with substitute parts.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 rating, matching the original part's environmental and regulatory specifications.

Q: Which substitute has the best inventory availability?

A: SN74CBTLV16211GR (Texas Instruments, 56-TSSOP) has the highest inventory at 5061 units. For SSOP packaging, SN74CBTLV16211DLR provides 2426 units.

Q: Can I mix different substitute part numbers in the same design?

A: All substitutes maintain identical electrical function (12 x 1:1 bus switch, 2 independent circuits, -40°C ~ 85°C operation). However, package differences require separate PCB layouts. Use a single part number per design to maintain consistency.

Q: What is the difference between tape & reel and tube packaging?

A: Packaging affects supply format and handling. Tape & reel (TR) is standard for automated assembly; tube packaging is for manual handling or lower-volume applications. Electrical performance is identical.

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