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PI5C3384Q Equivalent & Substitute Parts
Part Overview
The PI5C3384Q is a Bus Switch 5 x 1:1 logic IC manufactured by Diodes Incorporated in a 24-QSOP package. This component is classified as Obsolete, which necessitates identification of equivalent and substitute parts for ongoing design support and procurement. The PI5C3384Q operates with a single supply voltage of 4.75V to 5.25V and supports operating temperatures from -40°C to 85°C. Due to its obsolete status, direct replacements and functionally equivalent alternatives are required for new designs and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Part Number | PI5C3384Q |
| Manufacturer | Diodes Incorporated |
| Type | Bus Switch |
| Circuit Configuration | 5 x 1:1 |
| Independent Circuits | 2 |
| Voltage Supply | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C |
| Package Type | 24-QSOP (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Product Status | Obsolete |
| RoHS Status | RoHS non-compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the PI5C3384Q is determined by the following critical parameters:
Functional Equivalence: All substitute parts must implement a Bus Switch with 5 x 1:1 circuit configuration and 2 independent circuits.
Electrical Compatibility: Substitute parts must operate within overlapping or compatible voltage supply ranges. The PI5C3384Q operates at 4.75V ~ 5.25V. Substitutes with ranges of 4.5V ~ 5.5V are electrically compatible as they encompass the original operating window.
Temperature Range: Operating temperature range of -40°C ~ 85°C is maintained across all qualified substitutes.
Package Compatibility: The original 24-QSOP package (0.154", 3.90mm Width) is the primary form factor. Substitutes in 24-QSOP, 24-SSOP, and 24-TSSOP packages are mechanically and electrically compatible for PCB integration, though package footprints must be verified during design implementation.
Compliance Status: RoHS3 compliance is preferred for new designs. The original PI5C3384Q is RoHS non-compliant; however, direct Diodes Incorporated substitute PI5C3384QE is RoHS3 compliant. Texas Instruments and Renesas alternatives are also RoHS3 compliant.
Parameter Comparison
| Part Number | Manufacturer | Circuit Config | Voltage Supply | Temp Range | Package | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|
| PI5C3384Q | Diodes Incorporated | 5 x 1:1 | 4.75V ~ 5.25V | -40°C ~ 85°C | 24-QSOP | Obsolete | RoHS non-compliant | 1 |
| PI5C3384QE | Diodes Incorporated | 5 x 1:1 | 4.75V ~ 5.25V | -40°C ~ 85°C | 24-QSOP | Last Time Buy | ROHS3 Compliant | 1 |
| CBT3384PW,118 | NXP Semiconductors | 5 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-TSSOP | Active | Not specified | 1 |
| QS3384QG | Renesas Electronics | 5 x 1:1 | 4.75V ~ 5.25V | -40°C ~ 85°C | 24-QSOP | Active | ROHS3 Compliant | 1 |
| QS3384QG8 | Renesas Electronics | 5 x 1:1 | 4.75V ~ 5.25V | -40°C ~ 85°C | 24-QSOP | Active | ROHS3 Compliant | 1 |
| SN74CBT3384ADBQR | Texas Instruments | 5 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SSOP | Last Time Buy | ROHS3 Compliant | 2 |
| SN74CBT3384ADBR | Texas Instruments | 5 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SSOP | Last Time Buy | ROHS3 Compliant | 1 |
| SN74CBT3384ADGVR | Texas Instruments | 5 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-TFSOP | Last Time Buy | ROHS3 Compliant | 1 |
| SN74CBT3384APW | Texas Instruments | 5 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-TSSOP | Last Time Buy | ROHS3 Compliant | 1 |
| SN74CBT3384APWR | Texas Instruments | 5 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-TSSOP | Last Time Buy | ROHS3 Compliant | 1 |
| SN74CBT3384CDBQR | Texas Instruments | 5 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 24-SSOP | Active | ROHS3 Compliant | 2 |
Engineering Selection Recommendations
Primary Recommendation - Same Manufacturer: PI5C3384QE from Diodes Incorporated is the direct substitute for PI5C3384Q. It maintains identical electrical specifications (4.75V ~ 5.25V supply, -40°C ~ 85°C operating range) and package form factor (24-QSOP). The PI5C3384QE is RoHS3 compliant and carries Last Time Buy status, making it suitable for near-term production requirements.
Active Product Alternatives: For long-term design continuity, QS3384QG and QS3384QG8 from Renesas Electronics are Active status parts with identical voltage supply specifications and package compatibility. Both are RoHS3 compliant with MSL rating of 1 (Unlimited).
Extended Voltage Range Options: SN74CBT3384CDBQR from Texas Instruments is an Active status part with extended voltage supply range (4.5V ~ 5.5V), providing additional design margin. This part is RoHS3 compliant and available in 24-SSOP package. MSL rating is 2 (1 Year), requiring controlled storage conditions.
Packaging Considerations: Texas Instruments SN74CBT3384APW and SN74CBT3384APWR offer 24-TSSOP packaging (0.173", 4.40mm Width) with Active or Last Time Buy status. These parts are suitable for designs where package footprint differences are acceptable. Both are RoHS3 compliant with MSL rating of 1 (Unlimited).
Compliance Priority: All recommended substitutes except CBT3384PW,118 are explicitly RoHS3 compliant. For applications requiring RoHS compliance, avoid the original PI5C3384Q and select from the compliant alternatives listed above.
Frequently Asked Questions (FAQ)
Q: Can PI5C3384QE directly replace PI5C3384Q without PCB modification?
A: Yes. PI5C3384QE is a direct substitute with identical package (24-QSOP), voltage supply range (4.75V ~ 5.25V), and operating temperature specifications (-40°C ~ 85°C). No PCB layout changes are required.
Q: What is the difference between 24-QSOP, 24-SSOP, and 24-TSSOP packages?
A: These are distinct surface-mount package types with different physical dimensions. 24-QSOP (0.154" width) and 24-SSOP (0.154" width) have similar body widths but different lead configurations. 24-TSSOP (0.173" width) is slightly wider. PCB footprints must be verified before substitution between package types.
Q: Are Texas Instruments SN74CBT3384 parts compatible with the PI5C3384Q voltage range?
A: Texas Instruments parts operate at 4.5V ~ 5.5V, which encompasses the PI5C3384Q range of 4.75V ~ 5.25V. They are electrically compatible, though the extended lower voltage limit (4.5V vs. 4.75V) provides additional design margin.
Q: Why is RoHS compliance important for this substitution?
A: RoHS3 compliance is a regulatory requirement in many markets. The original PI5C3384Q is RoHS non-compliant. For new designs and production, RoHS3 compliant alternatives (PI5C3384QE, QS3384QG, QS3384QG8, SN74CBT3384 series) are required to meet environmental and market standards.
Q: What does "Last Time Buy" status mean for SN74CBT3384ADBQR and similar parts?
A: Last Time Buy status indicates the manufacturer will accept orders for a limited period before discontinuing the part. These parts are suitable for current production but should not be selected for new long-term designs. Active status parts (SN74CBT3384CDBQR, QS3384QG, QS3384QG8) are preferred for designs with extended production lifecycles.
Q: Can I use CBT3384PW,118 from NXP as a substitute?
A: CBT3384PW,118 is functionally equivalent with identical circuit configuration and operating temperature range. However, it uses 24-TSSOP packaging (0.173" width) instead of 24-QSOP, requiring PCB footprint verification. RoHS compliance status is not specified in the provided data.
Q: What is MSL rating and why does it matter?
A: MSL (Moisture Sensitivity Level) indicates how sensitive the component is to moisture during storage and handling. MSL 1 (Unlimited) parts have no moisture-related storage restrictions. MSL 2 (1 Year) parts like SN74CBT3384ADBQR require controlled storage conditions and must be used within one year of opening the sealed package.
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