PI3C3306LEX Bus Switch Equivalent & Substitute Parts

Part Overview

The PI3C3306LEX is a bus switch IC manufactured by Diodes Incorporated, classified as a Logic component in the 1 x 1:1 bus switch category. This device operates as a single-supply bus switch with 2 independent circuits, housed in an 8-TSSOP surface mount package. The part is currently in Last Time Buy status, indicating end-of-life production. Identifying equivalent and substitute parts is necessary to ensure design continuity and maintain supply chain flexibility for applications requiring this bus switch functionality.

Key Parameters

Parameter	Value
Type	Bus Switch
Circuit Configuration	1 x 1:1
Independent Circuits	2
Voltage Supply Source	Single Supply
Voltage - Supply Range	2.3V ~ 3.6V
Operating Temperature Range	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	8-TSSOP (0.173", 4.40mm Width)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
REACH Status	REACH Unaffected

Substitute Part Grouping Explanation

Substitution of the PI3C3306LEX is determined by strict equivalence across the following parameters: bus switch type (1 x 1:1 configuration with 2 independent circuits), single-supply voltage operation (2.3V ~ 3.6V), operating temperature range (-40°C ~ 85°C), surface mount technology, and 8-TSSOP package form factor. All substitute parts listed maintain identical electrical specifications and mechanical compatibility. Substitutes are grouped by manufacturer and product status to facilitate selection based on availability and lifecycle considerations.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Circuit	Voltage Supply (V)	Operating Temp (°C)	Package	Product Status	Packaging Type	RoHS
PI3C3306LEX	Diodes Incorporated	1 x 1:1	2.3 ~ 3.6	-40 ~ 85	8-TSSOP	Last Time Buy	Tape & Reel (TR)	ROHS3
PI3C3305LEX	Diodes Incorporated	1 x 1:1	2.3 ~ 3.6	-40 ~ 85	8-TSSOP	Active	Tape & Reel (TR)	ROHS3
SN74CB3Q3306APW	Texas Instruments	1 x 1:1	2.3 ~ 3.6	-40 ~ 85	8-TSSOP	Last Time Buy	Tube	ROHS3
CCB3Q3306AMPWREP	Texas Instruments	1 x 1:1	2.3 ~ 3.6	-40 ~ 85	8-TSSOP	Active	Tape & Reel (TR)	ROHS3
SN74CB3Q3305PWR	Texas Instruments	1 x 1:1	2.3 ~ 3.6	-40 ~ 85	8-TSSOP	Active	Cut Tape (CT) & Digi-Reel®	ROHS3
SN74CB3Q3306APWR	Texas Instruments	1 x 1:1	2.3 ~ 3.6	-40 ~ 85	8-TSSOP	Active	Tape & Reel (TR)	ROHS3
SN74CB3Q3306APWRG4	Texas Instruments	1 x 1:1	2.3 ~ 3.6	-40 ~ 85	8-TSSOP	Discontinued at DiGi Electronics	Not Specified	ROHS3

Engineering Selection Recommendations

For new designs and long-term supply chain planning, SN74CB3Q3306APWR (Texas Instruments, Active status) and SN74CB3Q3305PWR (Texas Instruments, Active status) are preferred substitutes due to their Active product lifecycle status and continuous availability. Both parts maintain full electrical and mechanical compatibility with the PI3C3306LEX while offering supply security.

PI3C3305LEX (Diodes Incorporated, Active status) provides an alternative from the original manufacturer with equivalent specifications and active production status.

SN74CB3Q3306APW and SN74CB3Q3306APWRG4 are available but carry Last Time Buy or Discontinued status, limiting their suitability for new designs requiring long-term component availability.

All substitute parts are ROHS3 compliant and REACH unaffected, meeting regulatory requirements equivalent to the primary part.

Frequently Asked Questions (FAQ)

Q: Can SN74CB3Q3306APWR directly replace PI3C3306LEX in existing designs?

A: Yes. Both parts share identical electrical specifications (1 x 1:1 bus switch, 2.3V ~ 3.6V single supply, -40°C ~ 85°C operating range) and the same 8-TSSOP package form factor. Pin-to-pin compatibility is maintained.

Q: What is the difference between PI3C3305LEX and PI3C3306LEX?

A: Both are Diodes Incorporated bus switches with identical electrical and mechanical parameters. The primary distinction is product status: PI3C3305LEX is Active, while PI3C3306LEX is Last Time Buy. Electrical substitution is direct.

Q: Does packaging type affect substitution eligibility?

A: Packaging type (Tape & Reel, Tube, Cut Tape) does not affect electrical or mechanical compatibility. Selection should be based on procurement and assembly process requirements. All listed substitutes are available in compatible packaging options.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the PI3C3306LEX.

Q: Which substitute offers the best long-term availability?

A: SN74CB3Q3306APWR and SN74CB3Q3305PWR (both Texas Instruments, Active status) offer the strongest long-term availability outlook. PI3C3305LEX (Diodes Incorporated, Active status) provides an alternative from the original manufacturer.

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