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Home > Products > Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers > TRSF23243IDLR
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TRSF23243IDLR

Manufacturer Part Number:
TRSF23243IDLR
Manufacturer / Brand
Texas Instruments
Part of Description:
IC TRANSCEIVER FULL 3/5 48SSOP
Datasheets:
TRSF23243IDLR.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 2100 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number TRSF23243IDLR
Manufacturer / Brand Texas Instruments
Stock Quantity 2100 pcs Stock
Category Integrated Circuits (ICs) > Interface - Drivers, Receivers, Transceivers
Description IC TRANSCEIVER FULL 3/5 48SSOP
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ TRSF23243IDLR Datasheets TRSF23243IDLR Details PDF
TRSF23243IDLR Details PDF for FR.pdf
TRSF23243IDLR Details PDF for KR.pdf
TRSF23243IDLR Details PDF for ES.pdf
TRSF23243IDLR Details PDF for DE.pdf
TRSF23243IDLR Details PDF for IT.pdf
Voltage - Supply 3V ~ 5.5V
Type Transceiver
Supplier Device Package 48-SSOP
Series -
Receiver Hysteresis 500 mV
Protocol RS232
Package / Case 48-BSSOP (0.295", 7.50mm Width)
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C
Number of Drivers/Receivers 3/5
Mounting Type Surface Mount
Duplex Full
Data Rate 250kbps
Base Product Number TRSF2

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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TRSF23243IDLR Product Details:

The TRSF23243IDLR is a high-performance, full-duplex RS232 transceiver IC manufactured by Luminary Micro/Texas Instruments. This device is part of the Interface - Drivers, Receivers, Transceivers category of integrated circuits, designed to address the need for efficient and reliable serial data communication in a wide range of applications.

The key features of the TRSF23243IDLR include its ability to operate across a wide range of supply voltages, from 3V to 5.5V, making it suitable for use in various electronic systems. It is a 3/5 transceiver, meaning it has three drivers and five receivers, providing a versatile interface for diverse communication requirements.

One of the design challenges addressed by this product is the need for robust and noise-resistant serial data transmission. The TRSF23243IDLR incorporates a 500mV receiver hysteresis, which helps to ensure reliable data reception even in the presence of electrical noise or signal disturbances.

The product is RoHS-compliant and lead-free, making it environmentally friendly and suitable for use in a wide range of applications, including industrial, medical, and consumer electronics. The device is packaged in a 48-SSOP (Small Outline Plastic) enclosure, which provides a compact and space-efficient solution for surface mount integration.

The primary advantages of the TRSF23243IDLR include its high data rate of up to 250kbps, its operating temperature range of -40°C to 85°C, and its compatibility with the RS232 protocol, which is widely used in serial communication systems.

This product is suitable for applications that require efficient and reliable serial data communication, such as industrial automation, medical equipment, consumer electronics, and various other systems that require serial interfaces.

Regarding equivalent or alternative models, there are several similar transceiver ICs available from Texas Instruments and other manufacturers that may offer comparable functionality and specifications. These include the TRSF3223E, MAX3223, and SN65HVD23 series, which provide similar features and performance characteristics.

TRSF23243IDLR Key Technical Attributes

- Type: Transceiver

- Duplex: Full

- Protocol: RS232

TRSF23243IDLR Packing Size

- Type and Material: SSOP48

- Pin Configuration: 48 pin

- Thermal Characteristics: Operating Temperature -40°C ~ 85°C

- Electrical Properties: Voltage - Supply 3 V ~ 5.5 V

TRSF23243IDLR Application

Designed for use in telecommunication and data communication systems.

TRSF23243IDLR Features

The TRSF23243IDLR from Luminary Micro / Texas Instruments is a full duplex RS232 transceiver encapsulated in a 48-SSOP package. It supports a data rate up to 250kbps. This integrated circuit is designed to meet the rigorous demands of interfacing with drivers and receivers in communication systems. Its supply voltage ranges from 3 V to 5.5 V, making it versatile for various operating environments. The receiver hysteresis of 500mV provides improved noise performance. The device can handle multiple drivers and receivers (3/5 configuration), enhancing its functionality in complex designs.

TRSF23243IDLR Quality and Safety Features

This product complies with RoHS (Restriction of Hazardous Substances) standards, ensuring that it is lead-free and ecologically safe. The Moisture Sensitivity Level is rated at 1 (Unlimited), indicating excellent durability and reliability under environmental stresses. The surface mount technology used for this IC helps in achieving a compact and efficient layout on circuit boards.

TRSF23243IDLR Compatibility

Compatible with various microprocessors and microcontroller systems requiring RS232 communication.

TRSF23243IDLR Datasheet PDF

For detailed technical specifications and application notes, the most authoritative datasheet PDF for TRSF23243IDLR is available on our website. We strongly recommend downloading it directly from the current page to ensure you have the most accurate and comprehensive information.

Quality Distributor

IC-Components is a premium distributor of Luminary Micro / Texas Instruments products. As a trusted partner, we assure the availability of authentic and high-quality IC components. For competitive pricing and unbeatable service, get a quote from our website today, and experience the best in electronic component distribution.

Frequently Asked Questions

What are the key design considerations when integrating the TRSF23243IDLR into a 3.3V industrial control system with mixed-voltage I/O?
When using the TRSF23243IDLR in a 3.3V system, ensure that the supply voltage (3 V to 5.5 V) is stable and within tolerance, as the internal charge pump generates ±5.5 V for RS232-compliant output levels. Since the receiver inputs tolerate up to ±25 V and have 500 mV hysteresis, they are robust against noise in industrial environments. However, confirm that external I/O signals do not exceed the absolute maximum ratings, and use series resistors or level-shifting circuitry if interfacing with non-RS232 logic. The TRSF23243IDLR supports full-duplex communication across all three driver/receiver channels, but proper PCB layout—especially grounding and decoupling—is critical to maintain signal integrity at 250 kbps.
Can the TRSF23243IDLR replace a MAX3232E in an existing 5V design without hardware changes?
The TRSF23243IDLR can often serve as a drop-in replacement for the MAX3232E in 5V applications due to compatible pinout, supply range (3 V to 5.5 V), and RS232 compliance. However, verify that the load capacitance on the RS232 lines matches the TRSF23243IDLR’s drive capability—its output swing may differ slightly under heavy capacitive loads. Also, confirm that the 48-SSOP package fits your PCB footprint, as it is larger than the MAX3232E’s 16-TSSOP. No firmware changes are needed, but revalidate signal rise/fall times and baud rate stability during testing.
What are the risks of operating the TRSF23243IDLR near its -40°C lower temperature limit in an outdoor enclosure?
The TRSF23243IDLR is rated for -40°C to 85°C, making it suitable for outdoor use, but performance near -40°C requires attention to capacitor selection and PCB thermal management. Electrolytic capacitors used in power supply filtering may exhibit increased ESR at low temperatures, potentially destabilizing the internal charge pump. Use ceramic or solid polymer capacitors for decoupling. Additionally, ensure the PCB material (e.g., FR4) and solder joints are rated for thermal cycling to prevent mechanical stress failures over time.
How does the 48-SSOP package of the TRSF23243IDLR affect high-density PCB designs, and what layout practices are recommended?
The 48-SSOP (7.50 mm width) package of the TRSF23243IDLR occupies more board space than smaller RS232 transceivers, which may challenge high-density layouts. Use a 4-layer PCB with dedicated ground and power planes to minimize noise coupling. Keep RS232 traces short and away from high-speed digital lines. Place 0.1 µF ceramic decoupling capacitors as close as possible to each VCC pin. Thermal vias under the package are unnecessary due to low power dissipation, but ensure adequate spacing for rework and inspection.
Is the TRSF23243IDLR suitable for battery-powered devices requiring low standby current?
The TRSF23243IDLR is not optimized for ultra-low-power applications. While it operates down to 3 V, its quiescent current (typically 300 µA) and active-mode consumption make it less ideal for long-life battery systems compared to specialized low-power RS232 transceivers like the MAX3221. If used in battery-powered designs, implement external power gating or enable/disable control via a microcontroller to shut down the device during sleep modes. Evaluate total system current budget carefully before selecting the TRSF23243IDLR for such applications.
What alternatives exist if the TRSF23243IDLR is unavailable, and how do they compare in terms of driver count and package compatibility?
If the TRSF23243IDLR is out of stock, consider pin-compatible alternatives such as the SP3232EEN-L or ADM3202ARUZ. The SP3232E offers two drivers/receivers in a 16-SOIC, requiring redesign but saving space. The ADM3202 provides two channels in a 16-TSSOP. Neither matches the TRSF23243IDLR’s 3-driver/5-receiver configuration, so channel count must be verified. For exact functional replacement, the TRSF23243IDLR remains unique in its 3/5 channel count within a 48-SSOP; migration may require firmware or schematic adjustments to accommodate different channel availability.
How should the TRSF23243IDLR be configured for reliable communication in electrically noisy factory environments?
To ensure reliability in noisy industrial settings, use shielded twisted-pair cables for RS232 connections and connect the shield to ground at one end only to avoid ground loops. The TRSF23243IDLR’s 500 mV receiver hysteresis provides inherent noise immunity, but add TVS diodes on RS232 I/O lines for ESD and surge protection. Ensure the local ground plane is solid and low-impedance, and avoid routing RS232 traces parallel to high-current or high-frequency signals. Baud rates up to 250 kbps are supported, but lower rates (e.g., 19.2 kbps) improve noise margin in harsh environments.
Can the TRSF23243IDLR support daisy-chained RS232 devices on a single UART interface?
The TRSF23243IDLR does not natively support multi-drop or daisy-chained RS232 configurations, as standard RS232 is point-to-point. However, its three independent drivers allow connection to multiple receivers if managed via software handshaking or time-division multiplexing. Each driver can drive one remote device, but collision and signal degradation risks increase with cable length and load. For true multi-drop systems, consider RS485 transceivers instead. The TRSF23243IDLR is best suited for connecting one host to up to three peripheral devices with careful protocol design.
What is the impact of using a 3.0V supply instead of 5V on the TRSF23243IDLR’s RS232 output voltage levels?
When powered at 3.0V, the TRSF23243IDLR’s internal charge pump still generates compliant RS232 output levels (typically ±5.5 V), ensuring interoperability with standard RS232 receivers. However, output swing may be slightly reduced under heavy load compared to 5V operation. Test with actual cable lengths and termination to confirm signal margins. The receiver thresholds remain valid across the full supply range, so communication reliability is maintained as long as the connected devices adhere to RS232 voltage standards.
How does moisture sensitivity level (MSL 1) of the TRSF23243IDLR affect storage and assembly processes?
With an MSL 1 rating (unlimited floor life), the TRSF23243IDLR can be stored and handled under normal ambient conditions without dry packing or bake-out procedures. This simplifies logistics and reduces production delays during SMT assembly. However, follow standard ESD precautions during handling. The 48-SSOP package is robust against moisture absorption, making the TRSF23243IDLR suitable for high-volume manufacturing with standard reflow profiles and no special moisture control requirements.

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