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PC16552DV/NOPB Equivalent & Substitute Parts
Part Overview
The PC16552DV/NOPB is a dual UART interface IC with 16-byte FIFO, manufactured by Texas Instruments in a 44-PLCC surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs. The part operates at 5V supply voltage and supports data rates up to 1.5 Mbps with modem control and false start bit detection capabilities.
Substiute Parts
Key Parameters
| Parameter | PC16552DV/NOPB |
|---|---|
| Manufacturer | Texas Instruments |
| Number of Channels | 2 (DUART) |
| FIFO Size | 16 Byte |
| Data Rate (Max) | 1.5 Mbps |
| Voltage Supply | 5V |
| Package / Case | 44-LCC (J-Lead) |
| Supplier Device Package | 44-PLCC (16.58x16.58) |
| Modem Control | Yes |
| False Start Bit Detection | Yes |
| Product Status | Obsolete |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 3 (168 Hours) |
Substitute Part Grouping Explanation
Substitution for the PC16552DV/NOPB is determined by the following critical parameters:
- Channel Configuration: 2 DUART channels (mandatory match)
- FIFO Capacity: 16-byte FIFO (mandatory match)
- Package Type: 44-PLCC (16.58x16.58 or 16.59x16.59) with 44-LCC J-Lead case (mandatory match)
- Mounting Type: Surface mount (mandatory match)
- Modem Control Support: Yes (mandatory match)
- False Start Bit Detection: Yes (mandatory match)
Substitute parts are grouped into two categories based on voltage supply compatibility:
Category A - Direct 5V Operation: Parts with fixed 5V supply or compatible 1.8V-5V range that maintain the original operating voltage.
Category B - Extended Voltage Range: Parts with wider voltage supply ranges (2.97V-5.5V or 2.25V-5.5V) that exceed the original 5V specification but remain backward compatible.
Parameter Comparison
| Part Number | Manufacturer | Channels | FIFO | Data Rate (Max) | Voltage Supply | Package | Modem Control | False Start Bit Detection | Product Status | RoHS Status | MSL |
|---|---|---|---|---|---|---|---|---|---|---|---|
| PC16552DV/NOPB | Texas Instruments | 2 DUART | 16 Byte | 1.5 Mbps | 5V | 44-PLCC (16.58x16.58) | Yes | Yes | Obsolete | ROHS3 | 3 |
| TL16C2552IFN | Texas Instruments | 2 DUART | 16 Byte | 1.5 Mbps | 1.8V ~ 5V | 44-PLCC (16.58x16.58) | Yes | Yes | Active | ROHS3 | 3 |
| TL16C2552FNR | Texas Instruments | 2 DUART | 16 Byte | 1.5 Mbps | 1.8V ~ 5V | 44-PLCC (16.58x16.58) | Yes | Yes | Active | ROHS3 | 3 |
| TL16C2552IFNR | Texas Instruments | 2 DUART | 16 Byte | 1.5 Mbps | 1.8V ~ 5V | 44-PLCC (16.58x16.58) | Yes | Yes | Active | ROHS3 | 3 |
| TL16C2552FN | Texas Instruments | 2 DUART | 16 Byte | 1.5 Mbps | 1.8V ~ 5V | 44-PLCC (16.58x16.58) | Yes | Yes | Active | ROHS3 | 3 |
| ST16C2552IJ44-F | MaxLinear, Inc. | 2 DUART | 16 Byte | 4 Mbps | 2.97V ~ 5.5V | 44-PLCC (16.59x16.59) | Yes | Yes | Active | ROHS3 | 1 |
| ST16C2552CJ44-F | MaxLinear, Inc. | 2 DUART | 16 Byte | 4 Mbps | 2.97V ~ 5.5V | 44-PLCC (16.59x16.59) | Yes | Yes | Active | ROHS3 | 1 |
| ST16C2552CJ44TR-F | MaxLinear, Inc. | 2 DUART | 16 Byte | 4 Mbps | 2.97V ~ 5.5V | 44-PLCC (16.59x16.59) | Yes | Yes | Active | RoHS | 1 |
| XR16L2552IJTR-F | MaxLinear, Inc. | 2 DUART | 16 Byte | 3.125 Mbps | 2.25V ~ 5.5V | 44-PLCC (16.59x16.59) | Yes | Yes | Active | RoHS | 1 |
Engineering Selection Recommendations
All substitute parts listed maintain the mandatory functional parameters: dual UART channels, 16-byte FIFO, 44-PLCC package configuration, modem control, and false start bit detection. All substitute parts are in active production status, addressing the obsolescence of the original PC16552DV/NOPB.
Texas Instruments TL16C2552 Series (TL16C2552IFN, TL16C2552FNR, TL16C2552IFNR, TL16C2552FN) provide direct functional equivalence with identical data rates and package dimensions. These parts support 1.8V-5V operation and maintain ROHS3 compliance with MSL 3 rating. Packaging options include tube and tape & reel formats.
MaxLinear ST16C2552 Series (ST16C2552IJ44-F, ST16C2552CJ44-F, ST16C2552CJ44TR-F) offer enhanced data rate capability at 4 Mbps with extended voltage range (2.97V-5.5V). These parts feature improved MSL rating of 1 (unlimited moisture exposure) and include configurable GPIO and timer/counter functionality. Package dimensions are 16.59x16.59, compatible with 44-PLCC footprints.
MaxLinear XR16L2552IJTR-F provides the widest voltage supply range (2.25V-5.5V) with 3.125 Mbps data rate capability. This part includes IrDA encoder/decoder support and internal oscillator with timer/counter features. MSL rating is 1 (unlimited).
All substitute parts maintain REACH compliance and are classified under HTSUS 8542.39.0001.
Frequently Asked Questions (FAQ)
Q: Can TL16C2552 series parts directly replace PC16552DV/NOPB in existing designs?
A: Yes. TL16C2552 parts maintain identical channel count, FIFO capacity, package type (44-PLCC 16.58x16.58), and all functional requirements including modem control and false start bit detection. The extended voltage range (1.8V-5V) is backward compatible with 5V-only designs.
Q: What is the difference between ST16C2552 and TL16C2552 substitutes?
A: ST16C2552 parts are manufactured by MaxLinear and support higher data rates (4 Mbps vs. 1.5 Mbps), wider voltage ranges (2.97V-5.5V), and include additional features such as configurable GPIO and timer/counter. Package dimensions are 16.59x16.59 instead of 16.58x16.58. Both maintain 44-PLCC form factor compatibility.
Q: Are packaging options (tube vs. tape & reel) interchangeable?
A: Packaging format (tube, cut tape, or tape & reel) affects handling and assembly processes but does not impact electrical or mechanical compatibility. Component selection should align with manufacturing assembly requirements.
Q: Does the XR16L2552IJTR-F IrDA capability affect compatibility?
A: No. IrDA encoder/decoder is an additional feature that does not interfere with standard UART operation. Systems not utilizing IrDA functionality operate identically to parts without this feature.
Q: What is the significance of MSL rating differences?
A: Moisture Sensitivity Level (MSL) indicates maximum exposure time to moisture before component degradation. PC16552DV/NOPB and TL16C2552 series have MSL 3 (168 hours). ST16C2552 and XR16L2552 series have MSL 1 (unlimited), providing superior moisture tolerance for storage and handling.
Q: Are all substitute parts RoHS compliant?
A: Yes. All substitute parts maintain RoHS compliance. PC16552DV/NOPB and TL16C2552 series are ROHS3 compliant. ST16C2552CJ44TR-F and XR16L2552IJTR-F are RoHS compliant. ST16C2552IJ44-F and ST16C2552CJ44-F are ROHS3 compliant.
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