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PI5C16211A Bus Switch 12 x 1:1 Equivalent & Substitute Parts
Part Overview
The PI5C16211A is a 12 x 1:1 bus switch logic IC manufactured by Diodes Incorporated in a 56-TSSOP package. This component is classified as obsolete, indicating discontinued production and limited availability. The part operates with a single supply voltage between 4V and 5.5V and supports operating temperatures from -40°C to 85°C. Due to its obsolete status, equivalent substitute parts from active product lines are necessary for new designs and ongoing production requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Type | Bus Switch |
| Circuit Configuration | 12 x 1:1 |
| Independent Circuits | 2 |
| Voltage Supply Source | Single Supply |
| Voltage - Supply Range | 4V ~ 5.5V |
| Operating Temperature Range | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 56-TFSOP (0.240", 6.10mm Width) |
| Supplier Device Package | 56-TSSOP |
| RoHS Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution for the PI5C16211A is determined by strict equivalence across the following critical parameters:
- Circuit type and configuration (12 x 1:1 bus switch with 2 independent circuits)
- Voltage supply range compatibility (minimum 4V to 5.5V operation)
- Operating temperature range (-40°C to 85°C)
- Surface mount technology with 56-pin package variants
- Single supply voltage architecture
Substitute parts are grouped by package type: 56-TSSOP (0.240" width), 56-TVSOP (0.173" width), and 56-SSOP (0.295" width). All substitute parts maintain the same functional circuit topology and electrical specifications. Package selection depends on PCB layout requirements and available footprint space.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Circuit | Voltage Supply | Operating Temp | Package / Case | Device Package | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|
| PI5C16211A | Diodes Incorporated | 12 x 1:1 | 4V ~ 5.5V | -40°C ~ 85°C | 56-TFSOP (0.240", 6.10mm) | 56-TSSOP | Obsolete | RoHS non-compliant | 1 (Unlimited) |
| FST16211MTDX | onsemi | 12 x 1:1 | 4V ~ 5.5V | -40°C ~ 85°C | 56-TFSOP (0.240", 6.10mm) | 56-TSSOP | Obsolete | ROHS3 Compliant | 2 (1 Year) |
| SN74CBT16211ADGVR | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-TFSOP (0.173", 4.40mm) | 56-TVSOP | Last Time Buy | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBT16211ADL | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP (0.295", 7.50mm) | 56-SSOP | Last Time Buy | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBT16211ADLR | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP (0.295", 7.50mm) | 56-SSOP | Last Time Buy | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBT16211CDGGR | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-TFSOP (0.240", 6.10mm) | 56-TSSOP | Active | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBT16211CDGVR | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-TFSOP (0.173", 4.40mm) | 56-TVSOP | Active | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBT16211CDL | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP (0.295", 7.50mm) | 56-SSOP | Active | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBT16211CDLR | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-BSSOP (0.295", 7.50mm) | 56-SSOP | Active | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBTD16211DGGR | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-TFSOP (0.240", 6.10mm) | 56-TSSOP | Active | ROHS3 Compliant | 1 (Unlimited) |
| SN74CBTH16211DGGR | Texas Instruments | 12 x 1:1 | 4.5V ~ 5.5V | -40°C ~ 85°C | 56-TFSOP (0.240", 6.10mm) | 56-TSSOP | Last Time Buy | ROHS3 Compliant | 1 (Unlimited) |
Engineering Selection Recommendations
For new designs, select from Texas Instruments parts with Active product status to ensure long-term availability and supply chain stability. The SN74CBT16211CDGGR (56-TSSOP) and SN74CBT16211CDGVR (56-TVSOP) are recommended for applications requiring RoHS3 compliance and unlimited moisture sensitivity rating.
For existing designs currently using PI5C16211A, direct package-compatible substitutes include FST16211MTDX (onsemi, 56-TSSOP) and SN74CBT16211CDGGR (Texas Instruments, 56-TSSOP). Both maintain the 0.240" package width and 56-TSSOP footprint.
The voltage supply range for Texas Instruments substitutes (4.5V ~ 5.5V) is narrower than the original PI5C16211A (4V ~ 5.5V). Verify that system supply voltage remains above 4.5V before substitution.
All substitute parts maintain RoHS3 compliance, improving environmental and regulatory alignment compared to the non-compliant original part.
Frequently Asked Questions (FAQ)
Q: Can SN74CBT16211CDGVR replace PI5C16211A directly on the PCB?
A: No. The SN74CBT16211CDGVR uses a 56-TVSOP package with 0.173" width, while PI5C16211A uses 56-TSSOP with 0.240" width. The footprints are not compatible. Use SN74CBT16211CDGGR for direct footprint compatibility.
Q: What is the difference between 56-TSSOP, 56-TVSOP, and 56-SSOP packages?
A: These are different physical package variants with the same pin count but different body widths and heights. 56-TSSOP is 0.240" wide, 56-TVSOP is 0.173" wide (narrower), and 56-SSOP is 0.295" wide (wider). Package selection depends on available PCB space and design requirements.
Q: Is FST16211MTDX a suitable substitute for new production?
A: FST16211MTDX is classified as obsolete, similar to PI5C16211A. While it provides package compatibility and RoHS3 compliance, it is not recommended for new designs. Texas Instruments Active-status parts (SN74CBT16211CDGGR, SN74CBT16211CDGVR, SN74CBT16211CDL, SN74CBT16211CDLR) are preferred for long-term availability.
Q: What is the significance of the voltage supply range difference (4V vs. 4.5V minimum)?
A: The original PI5C16211A operates down to 4V, while most Texas Instruments substitutes require minimum 4.5V. Designs operating below 4.5V cannot use these substitutes. Verify your system supply voltage specification before selection.
Q: Do all substitute parts have the same moisture sensitivity level?
A: No. PI5C16211A and most Texas Instruments substitutes have MSL 1 (Unlimited). FST16211MTDX has MSL 2 (1 Year), requiring stricter moisture control during storage and handling.
Q: Which substitute offers the best long-term availability?
A: SN74CBT16211CDGGR and SN74CBT16211CDGVR from Texas Instruments are classified as Active products, indicating ongoing production and the longest availability window. These are the recommended choices for new designs.
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