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HomeProductsIntegrated Circuits (ICs)Interface - Drivers, Receivers, TransceiversICL3223ECA-T
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ICL3223ECA-T - Intersil

Manufacturer Part Number
ICL3223ECA-T
Manufacturer
Intersil (Renesas Electronics Corporation)
Allelco Part Number
32D-ICL3223ECA-T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
17,360 pcs available, New & Original
Parts Description
IC TRANSCEIVER FULL 2/2 20SSOP
Package
20-SSOP
Data sheet
-
RoHs Status
 
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In stock: 17360

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Specifications

ICL3223ECA-T Tech Specifications
Intersil - ICL3223ECA-T technical specifications, attributes, parameters and parts with similar specifications to Intersil - ICL3223ECA-T

Product Attribute Attribute Value
Manufacturer Intersil (Renesas Electronics Corporation)
Voltage - Supply 3V ~ 5.5V
Type Transceiver
Supplier Device Package 20-SSOP
Series -
Receiver Hysteresis 500 mV
Protocol RS232
Product Attribute Attribute Value
Package / Case 20-SSOP (0.209", 5.30mm Width)
Package Bulk
Operating Temperature 0°C ~ 70°C
Number of Drivers/Receivers 2/2
Mounting Type Surface Mount
Duplex Full
Data Rate 250kbps

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

How does the ICL3223ECA-T compare to newer RS232 transceiver alternatives in terms of data rate and supply voltage flexibility for legacy system upgrades?
The ICL3223ECA-T supports a maximum data rate of 250 kbps with a supply voltage range of 3 V to 5.5 V, which is sufficient for many industrial and embedded control applications. However, modern alternatives such as the MAX3232 or SP3232 offer comparable or higher data rates (up to 1 Mbps) and better noise immunity through improved receiver hysteresis and lower power consumption. While the ICL3223ECA-T’s 500 mV receiver hysteresis provides adequate noise filtering, newer devices often feature dynamic threshold adjustment and enhanced ESD protection, making them more suitable for high-noise environments. For systems requiring backward compatibility with older UART hardware but seeking improved reliability, newer ICs generally provide better long-term performance despite the ICL3223ECA-T’s acceptable current capabilities.
What are the key limitations of using the ICL3223ECA-T in modern PCB designs due to its obsolete status and environmental compliance?
As an obsolete part, the ICL3223ECA-T presents sourcing challenges, including limited availability, potential lead time risks, and lack of technical support from Intersil or its successors. Additionally, it is RoHS non-compliant, which may restrict use in commercial or EU-market products where regulatory compliance is mandatory. Designers must consider lifecycle management strategies, such as qualifying alternative parts early in development, to avoid production delays. While the device functions within a 0°C to 70°C operating range and uses standard 20-SSOP packaging, these advantages do not offset the logistical and regulatory drawbacks associated with discontinued components.
Can the ICL3223ECA-T be used in battery-powered applications, and what factors should be evaluated regarding power efficiency?
The ICL3223ECA-T operates across a 3 V to 5.5 V supply range, making it compatible with common single-cell lithium-ion or alkaline battery configurations. However, no specific quiescent current specification is provided in the available documentation, which limits precise power budget calculations. In contrast, contemporary RS232 transceivers like the LTC2854 offer sub-1 mA standby currents, significantly improving battery life. Without explicit power consumption data, designers risk overestimating runtime or underestimating heat generation in continuous transmit/receive modes. Therefore, empirical testing or supplemental manufacturer queries are recommended before committing the ICL3223ECA-T to energy-sensitive applications.
How does the full-duplex communication capability of the ICL3223ECA-T impact system architecture when interfacing with microcontrollers?
With two drivers and two receivers (2/2 configuration), the ICL3223ECA-T enables simultaneous bidirectional communication over RS232, eliminating half-duplex bottlenecks. This simplifies protocol implementation in UART-based systems where both endpoints need real-time response, such as in diagnostic tools or industrial sensors. The device interfaces directly with standard logic-level TTL inputs from most microcontrollers without level-shifting circuitry. However, because it lacks integrated charge pumps, external capacitors are required to generate the ±12 V RS232 swing—adding component count and board space. Designers must ensure proper capacitor selection and layout to maintain signal integrity at the 250 kbps data rate.
What design precautions should be taken when integrating the ICL3223ECA-T into a surface-mount assembly process?
The ICL3223ECA-T comes in a 20-pin SSOP package with a 5.30 mm width, requiring standard pick-and-place equipment and solder paste stencils calibrated for fine-pitch components. Due to its surface-mount nature, thermal profiling during reflow must avoid excessive dwell times above the solder melting point to prevent die damage. Additionally, the absence of wettable flank plating—common in some legacy packages—can complicate automated optical inspection (AOI). Manual rework may be necessary if defects arise, increasing labor costs. Given its obsolete status, maintaining adequate inventory of this specific package variant adds further complexity to manufacturing planning.
Is the ICL3223ECA-T suitable for automotive or extended-temperature environments, and how does its operating range affect reliability?
The ICL3223ECA-T is rated for 0°C to 70°C, which aligns with industrial and consumer electronics but falls short of automotive-grade requirements (typically -40°C to +125°C). Operating outside this range risks degraded performance or permanent failure, especially in outdoor or enclosed systems exposed to seasonal temperature swings. While the device itself may function briefly beyond these bounds, long-term reliability cannot be guaranteed without qualification testing. For non-automotive applications with stable ambient conditions, the ICL3223ECA-T remains viable, but engineers should account for thermal derating when selecting supporting passive components like charge pump capacitors.
How does receiver hysteresis of 500 mV in the ICL3223ECA-T influence noise immunity compared to tighter-threshold transceivers?
A 500 mV hysteresis window means the receiver changes state only after the input signal crosses a threshold by that margin, helping reject slow-moving noise or ground shifts near transition points. This improves robustness in electrically noisy environments such as near motor drives or switching regulators. However, it also increases susceptibility to slower edge transitions, potentially reducing effective data rate if signal integrity degrades. Modern RS232 transceivers often implement adaptive hysteresis or Schmitt-trigger inputs with narrower thresholds (e.g., 200–300 mV), offering sharper edges and higher speed margins. Thus, while the ICL3223ECA-T’s hysteresis provides reasonable noise rejection at 250 kbps, faster protocols might benefit from newer architectures.
What role does the ECCN classification (EAR99) play in global distribution and export considerations for the ICL3223ECA-T?
Classified under ECCN EAR99, the ICL3223ECA-T is subject to U.S. Export Administration Regulations (EAR) but is generally not controlled for international trade unless bundled with restricted technologies. This simplifies logistics for most commercial buyers, though exporters should verify end-use and destination country regulations. Unlike parts with higher ECCNs (e.g., 3A001 for certain semiconductors), EAR99 items rarely require licenses for shipment to allied nations. Still, distributors may impose internal restrictions due to obsolescence, affecting global availability regardless of export compliance status.

Parts with Similar Specifications

The three parts on the right have similar specifications to Intersil ICL3223ECA-T

Product Attribute ICL3223ECA-T ICL3223ECAZ-TS2490 ICL3223ECAZ-T ICL3223ECV-T
Part Number ICL3223ECA-T ICL3223ECAZ-TS2490 ICL3223ECAZ-T ICL3223ECV-T
Manufacturer Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc Renesas Electronics America Inc
Duplex - - - -
Data Rate - - - -
Voltage - Supply - - - -
Receiver Hysteresis - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Number of Drivers/Receivers - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Protocol - - - -

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Customer Reviews

Evaluation: 10 Articles

  • Arch***ct
    Jul 15, 2026

    Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

  • FPGA***lorer88
    Jul 7, 2026

    The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

  • Nath***oleman
    Jun 29, 2026

    Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

  • Emil***rperTech
    Jun 23, 2026

    Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

  • Liam***terTech
    Jun 15, 2026

    Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

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Note:
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ICL3223ECA-T Image

ICL3223ECA-T

Intersil
32D-ICL3223ECA-T

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