MAX3243CPWE4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The MAX3243CPWE4 is a multi-channel RS-232 line driver/receiver IC from Texas Instruments operating on 3V to 5.5V supply. It features 3 drivers, Schmitt trigger inputs, and EIA/TIA-232-F compliance in a 28-pin SOIC package. Available with worldwide shipping at competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 28
- Lifecycle
- OBSOLETE
- Datasheet
- MAX3243CPWE4 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 MAX3243CPWE4?
- Wide supply voltage range of 3V to 5.5V supports both 3.3V and 5V systems, simplifying RS-232 integration across multiple platform types
- Schmitt trigger inputs with hysteresis improve noise immunity and signal integrity in electrically noisy industrial and embedded environments
- Multi-channel design with 3 drivers and multiple receivers in a single 28-pin SOIC package reduces BOM count and board area for serial communication applications
What is MAX3243CPWE4 used for?
The MAX3243CPWE4 is commonly used in industrial equipment, embedded computers, and communication devices requiring RS-232 serial interface compliance per EIA/TIA-232-F and V.28 standards. Its wide 3V to 5.5V supply range makes it compatible with both 3.3V and 5V microcontroller platforms, enabling reliable UART-to-RS-232 level conversion without additional power rails. It is also found in modem interfaces, POS terminals, medical instruments, and legacy serial port expansion cards where robust multi-channel RS-232 transceiver functionality is required.
What are the specifications of MAX3243CPWE4?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | CAN ALSO OPERATE WITH 5V SUPPLY |
| Differential Output | NO |
| Driver Number of Bits | 3 |
| 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-G28 |
| JESD-609 Code | e4 |
| Number of Functions | 3 |
| Out Swing-Min | 5V |
| Output Low Current-Max | 0.0016A |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP28,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Receive Delay-Max | 150ns |
| Receiver Number of Bits | 5 |
| 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 | CMOS |
| 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 |
| Transmit Delay-Max | 150ns |
| 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 |
| Country of Origin | Malaysia, Taiwan |
Where can I find the MAX3243CPWE4 datasheet?
MAX3243CPWE4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for MAX3243CPWE4?
Compatible alternatives and drop-in replacements for MAX3243CPWE4:
Frequently Asked Questions
What interface standard does the MAX3243CPWE4 support?
The MAX3243CPWE4 supports EIA-232-F, TIA-232-F, and V.28 interface standards, making it fully compliant with the RS-232 serial communication protocol used in industrial, commercial, and legacy computing applications.
What supply voltage range does the MAX3243CPWE4 operate on?
The MAX3243CPWE4 operates from a supply voltage range of 3V to 5.5V and can also operate with a 5V supply, allowing it to interface with both 3.3V microcontrollers and traditional 5V systems without requiring dual power rails.
What package does the MAX3243CPWE4 come in?
The MAX3243CPWE4 is housed in a 28-pin SOIC (Small Outline IC) package (JESD-30 Code R-PDSO-G28), a widely used surface-mount package that is compatible with standard PCB assembly processes for industrial and commercial designs.
Does the MAX3243CPWE4 have Schmitt trigger inputs?
Yes, the MAX3243CPWE4 features Schmitt trigger inputs with hysteresis, which improve noise immunity and signal integrity by preventing false triggering from slow-rising or noisy input signals common in RS-232 communication environments.
How many drivers and receivers does the MAX3243CPWE4 have?
The MAX3243CPWE4 provides 3 RS-232 drivers along with multiple receivers in a single IC, enabling multi-channel serial communication for applications such as modem interfaces, embedded systems, and industrial equipment requiring several RS-232 channels simultaneously.
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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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