TRSF3238IDWR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TRSF3238IDWR is a Texas Instruments 5-driver/5-receiver RS-232 line transceiver operating from 3 V to 5.5 V supply. It features Schmitt trigger inputs and supports the EIA-232 interface standard. Suitable for industrial serial communication, portable devices, and multi-port RS-232 applications requiring low-voltage operation.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- TRSF3238IDWR Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of TRSF3238IDWR?
- Operates from 3 V to 5.5 V supply voltage
- 5 RS-232 drivers and 5 receivers in a single package
- Schmitt trigger inputs for improved noise immunity
- Complies with EIA-232 interface standard
- Available in 28-pin SOIC small outline package
What is TRSF3238IDWR used for?
The TRSF3238IDWR is designed for serial communication interfaces in industrial equipment, embedded systems, and portable consumer electronics that require RS-232 connectivity at low supply voltages. Its 5-driver/5-receiver configuration makes it ideal for multi-port serial port expanders in routers, modems, and data acquisition systems. The wide supply range of 3 V to 5.5 V allows seamless integration into both 3.3 V and 5 V logic systems.
What are the specifications of TRSF3238IDWR?
| YTEOL | 0 |
| Additional Feature | ALSO OPERATES AT 5V SUPPLY |
| Differential Output | NO |
| Driver Number of Bits | 5 |
| High Level Input Current-Max | 0.000001A |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-232 |
| JESD-30 Code | R-PDSO-G28 |
| Number of Functions | 5 |
| Out Swing-Min | 10V |
| Output Characteristics | 3-STATE |
| Output Low Current-Max | 0.0016A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP28,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Qualification Status | Not Qualified |
| Receiver Number of Bits | 3 |
| Supply Current-Max | 2mA |
| 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 | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the TRSF3238IDWR datasheet?
TRSF3238IDWR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for TRSF3238IDWR?
Compatible alternatives and drop-in replacements for TRSF3238IDWR:
Frequently Asked Questions
What supply voltage range does the TRSF3238IDWR support, and how does it affect system design?
The TRSF3238IDWR operates from a 3 V to 5.5 V supply, making it compatible with both 3.3 V and 5 V logic systems. This wide range enables designers to use a single part across different power domains without level shifting, simplifying board layout in mixed-voltage embedded systems.
How many RS-232 drivers and receivers does the TRSF3238IDWR integrate, and what interface standard does it meet?
The TRSF3238IDWR integrates 5 RS-232 drivers and 5 receivers in a single 28-pin SOIC package, meeting the EIA-232 interface standard. This high channel count makes it well-suited for multi-port serial communication applications in industrial controllers, gateways, and networking equipment requiring multiple RS-232 channels.
What type of input structure does the TRSF3238IDWR use, and why is it beneficial for noisy environments?
The TRSF3238IDWR uses Schmitt trigger inputs, which provide hysteresis typically around 0.5 V on the input threshold. This characteristic allows the device to reject slow-transitioning or noisy signals on the RS-232 bus, improving communication reliability in electrically noisy industrial environments with long cable runs and ground potential differences.
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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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