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PI3B3253QE Equivalent & Substitute Parts
Part Overview
The PI3B3253QE is a Multiplexer/Demultiplexer logic IC manufactured by Diodes Incorporated, configured as a 2 x 4:1 circuit in a 16-QSOP surface mount package. This component is currently in active production status with 8543 units available in stock. Substitute parts are identified based on matching functional specifications, electrical parameters, and mechanical compatibility to ensure direct replacement capability in existing designs.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Type | Multiplexer/Demultiplexer |
| Circuit Configuration | 2 x 4:1 |
| Independent Circuits | 1 |
| Voltage Supply Source | Single Supply |
| Voltage - Supply Range | 3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the PI3B3253QE are qualified based on the following criteria:
- Identical circuit configuration: 2 x 4:1 Multiplexer/Demultiplexer
- Matching package type: 16-SSOP surface mount with 0.154" width (3.90mm)
- Compatible voltage supply range: Single supply operation
- Overlapping operating temperature range: -40°C ~ 85°C minimum
- Equivalent functional classification: Logic category, Multiplexer/Demultiplexer type
- Compliance alignment: ROHS3 compliant status
All identified substitutes maintain electrical and mechanical compatibility within these defined parameters.
Parameter Comparison
| Parameter | PI3B3253QE (Diodes) | 74CBTLV3253QG (IDT) | SN74CB3Q3253DBQR (TI) | SN74CBTLV3253DBQR (TI) |
|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | IDT | Texas Instruments | Texas Instruments |
| Type | Multiplexer/Demultiplexer | Multiplexer/Demultiplexer | Multiplexer/Demultiplexer | Multiplexer/Demultiplexer |
| Circuit Configuration | 2 x 4:1 | 2 x 4:1 | 2 x 4:1 | 2 x 4:1 |
| Independent Circuits | 1 | 1 | 1 | 1 |
| Voltage Supply Range | 3V ~ 3.6V | 2.3V ~ 3.6V | 2.3V ~ 3.6V | 2.3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm) | 16-SSOP (0.154", 3.90mm) | 16-SSOP (0.154", 3.90mm) | 16-SSOP (0.154", 3.90mm) |
| Product Status | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | Not specified | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | Not specified | 2 (1 Year) | 2 (1 Year) |
| Inventory Availability | 8543 Pcs | 2528 Pcs | 3700 Pcs | 32800 Pcs |
Engineering Selection Recommendations
All three substitute parts maintain active production status and are functionally equivalent to the PI3B3253QE within the specified electrical and mechanical parameters. The following considerations apply:
SN74CBTLV3253DBQR (Texas Instruments) offers the highest inventory availability at 32800 units and maintains ROHS3 compliance with MSL 2 rating. This part is distributed in Cut Tape and Digi-Reel packaging formats.
SN74CB3Q3253DBQR (Texas Instruments) provides an alternative from the same manufacturer with 3700 units in stock, also ROHS3 compliant with MSL 2 rating, distributed in Tape & Reel format.
74CBTLV3253QG (IDT) offers 2528 units in stock with bulk packaging and represents an alternative manufacturer source for the same functional specification.
The PI3B3253QE maintains the lowest moisture sensitivity level (MSL 1) among all options, indicating superior moisture tolerance characteristics.
Frequently Asked Questions (FAQ)
Q: Can SN74CBTLV3253DBQR directly replace PI3B3253QE in existing PCB designs?
A: Yes. Both parts share identical 16-SSOP package dimensions (0.154" width, 3.90mm), matching pin count, and equivalent 2 x 4:1 multiplexer/demultiplexer functionality. Pin-to-pin compatibility is maintained.
Q: What is the voltage supply compatibility between PI3B3253QE and its substitutes?
A: The PI3B3253QE operates at 3V ~ 3.6V. The three substitute parts (74CBTLV3253QG, SN74CB3Q3253DBQR, SN74CBTLV3253DBQR) all support 2.3V ~ 3.6V, providing broader voltage range capability while remaining compatible with the original part's operating range.
Q: Are there packaging format differences among the substitute parts?
A: Yes. PI3B3253QE is supplied in Tube packaging. Substitutes are available in Bulk (74CBTLV3253QG), Tape & Reel (SN74CB3Q3253DBQR), and Cut Tape & Digi-Reel (SN74CBTLV3253DBQR) formats. Packaging selection depends on assembly process requirements and order quantities.
Q: What is the significance of Moisture Sensitivity Level differences?
A: PI3B3253QE carries MSL 1 (Unlimited), indicating no moisture-related storage restrictions. Substitute parts SN74CB3Q3253DBQR and SN74CBTLV3253DBQR carry MSL 2 (1 Year), requiring controlled storage conditions. This affects handling and shelf-life management in manufacturing environments.
Q: Do all parts meet ROHS3 compliance requirements?
A: PI3B3253QE, SN74CB3Q3253DBQR, and SN74CBTLV3253DBQR are confirmed ROHS3 compliant. RoHS status for 74CBTLV3253QG is not specified in available documentation.
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