MAX3222ECPWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock

The MAX3222ECPWG4 is a dual RS-232 line driver/receiver IC operating from 3V to 5V supplies. It features Schmitt trigger inputs, EIA-232-F / TIA-232-F compliance, and a 20-pin SOIC package for robust serial communication. Available from stock with competitive pricing and worldwide shipping.

OBSOLETEIntegrated CircuitVerified May 2026
Package / Visual Reference
MAX3222ECPWG4Small Outline Packages
Quick Facts
Manufacturer
Texas Instruments
Package
Small Outline Packages
Pin Count
20
Lifecycle
OBSOLETE
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 MAX3222ECPWG4?

  • Operates from 3V to 5V supply, enabling compatibility with both 3.3V and 5V system environments without additional level shifting
  • Schmitt trigger inputs provide hysteresis for improved noise immunity in electrically noisy industrial and embedded environments
  • Dual-channel RS-232 driver/receiver (2 drivers, 2 receivers) compliant with EIA-232-F, TIA-232-F, and V.28 standards
  • 20-pin SOIC (R-PDSO-G20) package with e4 JESD-609 code ensures easy PCB integration and RoHS-compatible assembly

What is MAX3222ECPWG4 used for?

The MAX3222ECPWG4 is commonly used in microcontroller and DSP systems that require RS-232 serial port interfaces to connect with legacy peripherals, modems, or industrial sensors. It is also employed in embedded computing platforms, networking equipment, and test instrumentation where 3.3V or 5V digital logic must communicate reliably over EIA-232 links. Its Schmitt trigger inputs make it particularly valuable in factory automation and harsh electrical environments.

What are the specifications of MAX3222ECPWG4?

YTEOL0
Additional FeatureALSO OPERATES AT 5V SUPPLY
Differential OutputNO
Driver Number of Bits2
High Level Input Current-Max0.000001A
Input CharacteristicsSCHMITT TRIGGER
Interface IC TypeLINE TRANSCEIVER
Interface StandardEIA-232-F; TIA-232-F; V.28
JESD-30 CodeR-PDSO-G20
JESD-609 Codee4
Number of Functions2
Out Swing-Min10V
Output Characteristics3-STATE
Output Low Current-Max0.0016A
Output PolarityINVERTED
Package Body MaterialPLASTIC/EPOXY
Package Equivalence CodeTSSOP20,.25
Package ShapeRECTANGULAR
Package StyleSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Cel)260
Qualification StatusNot Qualified
Receive Delay-Max300ns
Receiver Number of Bits2
Supply Current-Max1mA
Supply Voltage-Max3.6V
Supply Voltage-Min3V
Supply Voltage-Nom3.3V
Supply Voltage1-Max3.6V
Supply Voltage1-Min3V
Supply Voltage1-Nom3.3V
Surface MountYES
TechnologyBICMOS
Temperature GradeCOMMERCIAL
Terminal FinishNICKEL PALLADIUM GOLD
Terminal FormGULL WING
Terminal Pitch0.65mm
Terminal PositionDUAL
Time@Peak Reflow Temperature-Max (s)30
Transmit Delay-Max300ns
PackageSmall Outline Packages

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.60
Country of OriginMalaysia

Where can I find the MAX3222ECPWG4 datasheet?

MAX3222ECPWG4 Datasheet Download

Official datasheet from Texas Instruments

What are equivalent replacements for MAX3222ECPWG4?

Compatible alternatives and drop-in replacements for MAX3222ECPWG4:

MAX3222ECPWRG4Texas Instruments Line

Transceiver, 2 Func, 2 Driver, 2 Rcvr, PDSO20

View Part →

Frequently Asked Questions

What supply voltage range does the MAX3222ECPWG4 support?

The MAX3222ECPWG4 operates from a 3V to 5V supply voltage, allowing it to interface directly with 3.3V microcontrollers or 5V legacy systems without requiring additional level translators or discrete components.

How many drivers and receivers does the MAX3222ECPWG4 include?

The MAX3222ECPWG4 integrates 2 RS-232 drivers and 2 RS-232 receivers in a single package, making it suitable for full-duplex serial communication channels compliant with EIA-232-F, TIA-232-F, and V.28 interface standards.

What package is the MAX3222ECPWG4 available in?

The MAX3222ECPWG4 is housed in a 20-pin plastic small outline package (JESD-30 code R-PDSO-G20), which is widely available in standard PCB footprint libraries and compatible with automated SMT assembly processes.

Does the MAX3222ECPWG4 have Schmitt trigger inputs?

Yes, the MAX3222ECPWG4 features Schmitt trigger receiver inputs, which provide built-in hysteresis to reject noise and signal glitches on RS-232 lines, improving communication reliability in electrically noisy environments such as industrial plants or automotive systems.

What serial interface standards is the MAX3222ECPWG4 compliant with?

The MAX3222ECPWG4 is compliant with EIA-232-F, TIA-232-F, and V.28 serial interface standards, ensuring interoperability with a wide range of legacy and modern serial communication equipment including modems, PCs, and industrial controllers.

Related Guides

Why Buy from FindMyChip

Authorized Source
Verified supply chain with full traceability & inspection
Competitive Pricing
Factory-direct from China distributors, low MOQ
Fast Shipping
DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide
Quality Guaranteed
30-day replacement for defective parts, no questions asked

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.

AvailabilityIn Stock
Reference Price (USD)
Contact for Price
Buy from 1pc · Factory-direct pricing
pcs

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.

SK
Sarah Kim
VP Engineering, NovaBit Electronics, South Korea