TRS3221CPWRG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
TRS3221CPWRG4 is a single-channel RS-232 line driver and receiver from Texas Instruments, operating from 3 V to 5.5 V supply voltage and compliant with EIA/TIA-232-F and V.28 standards. It integrates a charge pump, Schmitt trigger inputs, and operates with a single 3.3 V or 5 V rail. Suitable for embedded systems and industrial equipment requiring reliable serial communication.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- TRS3221CPWRG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TRS3221CPWRG4?
- Single-channel RS-232 driver/receiver in one package
- Wide supply voltage range from 3 V to 5.5 V
- Schmitt trigger inputs for noise immunity on data lines
- EIA-232-F and TIA-232-F compliant operation
- Integrated charge pump requiring no external power supply
- 16-pin SOIC package with RoHS-compliant e4 finish
What is TRS3221CPWRG4 used for?
The TRS3221CPWRG4 is used in embedded microcontroller systems and industrial automation equipment needing RS-232 serial communication at 3.3 V or 5 V logic levels. It is well-suited for point-of-sale terminals, barcode scanners, and legacy serial port interfaces in PC peripherals. Its Schmitt trigger input improves signal integrity in electrically noisy factory environments with long cable runs.
What are the specifications of TRS3221CPWRG4?
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES AT 5V SUPPLY |
| Differential Output | NO |
| Driver Number of Bits | 1 |
| High Level Input Current-Max | 0.000001A |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-232-F; TIA-232-F; V.28 |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Out Swing-Min | 10V |
| Output Low Current-Max | 0.0016A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receiver Number of Bits | 1 |
| Supply Current-Max | 1mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3V |
| Supply Voltage-Nom | 3.3V |
| Supply Voltage1-Max | 3.6V |
| Supply Voltage1-Min | 3V |
| Supply Voltage1-Nom | 3.3V |
| Surface Mount | YES |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TRS3221CPWRG4 datasheet?
TRS3221CPWRG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TRS3221CPWRG4?
Compatible alternatives and drop-in replacements for TRS3221CPWRG4:
Frequently Asked Questions
What supply voltage range does the TRS3221CPWRG4 support for RS-232 operation?
The TRS3221CPWRG4 operates from 3 V to 5.5 V supply voltage, supporting both 3.3 V and 5 V logic systems. This wide range eliminates the need for a dedicated 5 V rail in modern 3.3 V microcontroller designs using RS-232 communication.
How does the Schmitt trigger input on TRS3221CPWRG4 help in industrial environments?
The Schmitt trigger input on TRS3221CPWRG4 provides hysteresis to reject noise on RS-232 data lines, improving reliability in electrically noisy factory floors and long cable runs. Typical hysteresis helps maintain clean digital transitions even when input signals contain up to several hundred millivolts of coupled noise.
Which interface standards does the TRS3221CPWRG4 comply with?
The TRS3221CPWRG4 complies with EIA-232-F, TIA-232-F, and V.28 serial interface standards, ensuring compatibility with a wide range of RS-232 equipment and legacy systems. Output voltage levels meet the ±5 V minimum swing requirement across the 3 V to 5.5 V supply range.
Can the TRS3221CPWRG4 replace a 5V-only RS-232 transceiver in a 3.3V system without external components?
Yes, the TRS3221CPWRG4 includes an integrated charge pump that generates the required RS-232 voltage levels from a single 3.3 V supply. No external DC/DC converter is needed, reducing BOM cost and PCB area in 3.3 V microcontroller systems communicating over RS-232 at up to 250 kbps.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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