MAX3243CPWR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

Name: MAX3243CPWR
Brand: Texas Instruments
SKU: MAX3243CPWR
Availability: InStock

MAX3243CPWR is a 3V to 5.5V multichannel RS-232 line driver/receiver from Texas Instruments, featuring ±15kV ESD protection, Schmitt trigger inputs, and 3 drivers with EIA-232-F compliance. From $0.57, in stock with worldwide shipping.

ACTIVEIntegrated CircuitVerified May 2026

Package / Visual Reference

MAX3243CPWRSmall Outline Packages

Quick Facts

Manufacturer: Texas Instruments
Package: Small Outline Packages
Pin Count: 28
Lifecycle: ACTIVE
Datasheet: MAX3243CPWR Datasheet PDF
Category: Integrated Circuit
Price: From $0.5668(MOQ 1)
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 MAX3243CPWR?

±15kV ESD (HBM) Protection on all RS-232 I/O pins for robust system reliability
Wide supply voltage range of 3V to 5.5V enabling use in both 3.3V and 5V systems
3 RS-232 drivers and 5 receivers with EIA-232-F / TIA-232-F / V.28 compliance
Schmitt trigger inputs on receiver side for improved noise immunity
28-pin TSSOP (R-PDSO-G28) small outline package for space-constrained designs

What is MAX3243CPWR used for?

The MAX3243CPWR is widely used in industrial automation equipment, embedded systems, and communication modules requiring reliable RS-232 serial interfaces. Its ±15kV ESD protection makes it ideal for harsh environments such as factory floors, medical devices, and test & measurement instruments. It is also commonly deployed in UART-to-RS232 bridges, PLC communication ports, and legacy serial port adapters.

What are the specifications of MAX3243CPWR?

Pbfree Code	Yes
YTEOL	15
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	10V
Output Low Current-Max	0.0016A
Output Polarity	TRUE
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
Receiver Number of Bits	5
Supply Current-Max	1.2mA
Supply Voltage-Max	5.5V
Supply Voltage-Min	3V
Supply Voltage-Nom	3.3V
Surface Mount	YES
Temperature Grade	COMMERCIAL
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
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	8542.39.00.90
Country of Origin	Malaysia, Taiwan

Where can I find the MAX3243CPWR datasheet?

MAX3243CPWR Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for MAX3243CPWR?

Compatible alternatives and drop-in replacements for MAX3243CPWR:

MAX3243CPWE4Texas Instruments

Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, CMOS, PDSO28

View Part →

MAX3243EIPWRTexas Instruments

Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28

View Part →

MAX3243ECPWTexas Instruments

Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28

View Part →

MAX3243EIPWTexas Instruments

Line Transceiver, 3 Func, 3 Driver, 5 Rcvr, PDSO28

View Part →

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the supply voltage range of the MAX3243CPWR?

The MAX3243CPWR operates over a wide supply voltage range of 3V to 5.5V, making it compatible with both 3.3V and 5V logic systems commonly found in modern microcontrollers and embedded designs.

How many RS-232 drivers and receivers does the MAX3243CPWR include?

The MAX3243CPWR integrates 3 RS-232 line drivers and 5 line receivers in a single 28-pin TSSOP package, supporting multi-channel serial communication compliant with EIA-232-F, TIA-232-F, and V.28 standards.

What ESD protection level does the MAX3243CPWR provide?

The MAX3243CPWR provides ±15kV ESD protection using the Human Body Model (HBM) on all RS-232 input/output pins, significantly reducing the risk of damage from electrostatic discharge in industrial and field-deployed applications.

What package type is the MAX3243CPWR available in?

The MAX3243CPWR is available in a 28-pin TSSOP (Thin Shrink Small Outline Package, JESD-30 code R-PDSO-G28), which is a compact surface-mount package suitable for PCBs with tight space constraints.

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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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AvailabilityIn Stock

Reference Price (USD)

From $0.5668

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$1.3602	$1.36
10+	$1.1700	$11.70
36+	$0.9672	$34.82
59+	$0.7800	$46.02
62+	$0.6348	$39.36
316+	$0.5668	$179.11

pcs

Unit price: $1.3602 · Total: $1.36

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Direct Contact

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Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

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MAX3243CPWR Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

What are the key features of MAX3243CPWR?

What is MAX3243CPWR used for?

What are the specifications of MAX3243CPWR?

Compliance & Regulatory

Where can I find the MAX3243CPWR datasheet?

What are equivalent replacements for MAX3243CPWR?

Frequently Asked Questions

What is the supply voltage range of the MAX3243CPWR?

How many RS-232 drivers and receivers does the MAX3243CPWR include?

What ESD protection level does the MAX3243CPWR provide?

What package type is the MAX3243CPWR available in?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About Texas Instruments

More from Texas Instruments

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