PI5C3306LEX Equivalent & Substitute Parts

Part Overview

The PI5C3306LEX is a bus switch logic integrated circuit manufactured by Diodes Incorporated, designed for 1 x 1:1 switching applications in 8-TSSOP surface mount packaging. This part operates on single supply voltage between 4.5V and 5.5V with an operating temperature range of -40°C to 85°C. The device is currently in active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when sourcing from different manufacturers is preferred for supply chain optimization.

Key Parameters

Parameter	Value
Manufacturer Part Number	PI5C3306LEX
Manufacturer	Diodes Incorporated
Type	Bus Switch
Circuit Configuration	1 x 1:1
Independent Circuits	2
Voltage Supply Range	4.5V ~ 5.5V
Operating Temperature Range	-40°C ~ 85°C
Package / Case	8-TSSOP (0.173", 4.40mm Width)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the PI5C3306LEX are classified based on strict electrical and mechanical parameter matching. All substitute parts maintain identical specifications across the following critical parameters: bus switch type with 1 x 1:1 circuit configuration, 2 independent circuits, single supply voltage operation at 4.5V to 5.5V, operating temperature range of -40°C to 85°C, 8-TSSOP surface mount package with 0.173" width (4.40mm), ROHS3 compliance, and MSL 1 rating. Substitutes are grouped by manufacturer and product status to facilitate selection based on availability and supply chain requirements. Packaging format variations (Tape & Reel, Tube, Cut Tape) do not affect electrical or mechanical compatibility and represent logistical differences only.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Circuit Configuration	Voltage Supply	Operating Temperature	Package	Product Status	Packaging Format	Inventory (Pcs)
PI5C3306LEX	Diodes Incorporated	-	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel (TR)	17450
SN74CBT3306CPW	Texas Instruments	74CBT	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tube	1398
SN74CBT3306PW	Texas Instruments	74CBT	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Last Time Buy	Tube	3990
CBT3306PW,118	Nexperia USA Inc.	74CBT	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel (TR)	3700
CBTD3306PW,118	Nexperia USA Inc.	74CBTD	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel (TR)	808
SN74CBT3305CPWR	Texas Instruments	74CBT	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel (TR)	3300
SN74CBT3306CPWR	Texas Instruments	74CBT	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel (TR)	9419
SN74CBT3306PWR	Texas Instruments	74CBT	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Last Time Buy	Cut Tape (CT) & Digi-Reel®	2300
SN74CBT3306PWRG4	Texas Instruments	74CBT	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Obsolete	-	6496
SN74CBTD3305CPWR	Texas Instruments	74CBTD	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel (TR)	3473
SN74CBTD3306CPWR	Texas Instruments	74CBTD	1 x 1:1	4.5V ~ 5.5V	-40°C ~ 85°C	8-TSSOP	Active	Tape & Reel (TR)	13216

Engineering Selection Recommendations

Selection of substitute parts should prioritize active product status to ensure long-term availability and supply chain stability. The PI5C3306LEX is currently active; therefore, parts with active status such as SN74CBT3306CPWR, CBT3306PW,118, SN74CBT3305CPWR, SN74CBT3306CPWR, SN74CBTD3305CPWR, and SN74CBTD3306CPWR are preferred for new designs and ongoing production. Parts designated as Last Time Buy (SN74CBT3306PW, SN74CBT3306PWR) or Obsolete (SN74CBT3306PWRG4) should be used only when existing inventory must be consumed or when legacy system maintenance requires exact part matching. All listed substitutes maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory and environmental compatibility. Packaging format selection depends on assembly process requirements; Tape & Reel format is standard for automated pick-and-place operations, while Tube packaging is suitable for manual assembly or lower-volume applications.

Frequently Asked Questions (FAQ)

Q: What electrical parameters must match for a part to be considered a true substitute for the PI5C3306LEX?

A: The substitute must maintain identical bus switch type (1 x 1:1 configuration), 2 independent circuits, single supply voltage operation at 4.5V to 5.5V, and operating temperature range of -40°C to 85°C. All listed substitutes meet these requirements.

Q: Does packaging format affect electrical compatibility?

A: No. Packaging format variations (Tape & Reel, Tube, Cut Tape) are logistical differences only and do not affect electrical or mechanical performance. Selection should be based on assembly process requirements and inventory management practices.

Q: Can I use SN74CBT3306PWRG4 in a new design?

A: SN74CBT3306PWRG4 is marked as obsolete and should not be used in new designs. Active alternatives such as SN74CBT3306CPWR or SN74CBTD3306CPWR are recommended for new applications.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (unlimited) moisture sensitivity level, matching the PI5C3306LEX specifications.

Q: What is the difference between 74CBT and 74CBTD series parts?

A: Both series maintain identical electrical and mechanical parameters specified for this application. Series designation represents manufacturer product line classification and does not affect functional compatibility for this bus switch application.

Q: Which substitute has the highest current inventory availability?

A: SN74CBTD3306CPWR has the highest inventory at 13,216 pieces, followed by PI5C3306LEX at 17,450 pieces. For supply chain optimization, either part provides substantial availability.

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