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HomeProductsIntegrated Circuits (ICs)PMIC - Display DriversICM7232AFIPL
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ICM7232AFIPL - Harris Corporation

Manufacturer Part Number
ICM7232AFIPL
Manufacturer
Harris Corporation
Allelco Part Number
98D-ICM7232AFIPL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
39,105 pcs available, New & Original
Parts Description
ALPHANUMERIC LCD DISPLAY DRIVER
Package
40-PDIP
Data sheet
-
RoHs Status
 
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Our certification
In stock: 39105
  • Unit Price: $9.472
  • Subtotal: $0.00

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Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity Unit Price Ext. Price
1+ $9.472 $9.47
200+ $3.666 $733.20
500+ $3.538 $1,769.00
1000+ $3.473 $3,473.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ICM7232AFIPL Tech Specifications
Harris Corporation - ICM7232AFIPL technical specifications, attributes, parameters and parts with similar specifications to Harris Corporation - ICM7232AFIPL

Product Attribute Attribute Value
Manufacturer Harris Corporation
Voltage - Supply 4.5V ~ 5.5V
Supplier Device Package 40-PDIP
Series -
Package / Case 40-DIP (0.600", 15.24mm)
Package Bulk
Operating Temperature -25°C ~ 85°C (TA)
Product Attribute Attribute Value
Mounting Type Through Hole
Interface -
Display Type LCD
Digits or Characters 10 Digits
Current - Supply 30 µA
Configuration 7 Segment
Base Product Number ICM7232

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status RoHS non-compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status Vendor Undefined
ECCN EAR99
HTSUS 8542.39.0001

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the ICM7232AFIPL that influence power consumption in low-voltage battery-powered applications?
The ICM7232AFIPL draws a maximum supply current of 30 µA, which is critical for extending battery life in portable devices. This ultra-low quiescent current enables reliable operation at supply voltages between 4.5V and 5.5V, making it suitable for single-cell alkaline or NiMH systems where voltage drops below 5V as the battery depletes. The device’s ability to maintain display functionality under these conditions reduces the need for frequent recharging or battery replacement.
How does the ICM7232AFIPL handle segment driving in multi-digit alphanumeric LCD configurations, and what design considerations apply when connecting multiple digits?
The ICM7232AFIPL supports up to 10 digits with a 7-segment character layout, using a multiplexed drive architecture. Each digit shares common cathodes controlled by an internal demultiplexer, while individual segments are driven through high-impedance outputs. When cascading multiple drivers, timing alignment must be ensured to prevent ghosting or flicker—this typically requires synchronizing the frame rate across stages. Additionally, external resistors are needed on the bias lines to set the proper contrast voltage across all segments, especially important as segment count increases with digit expansion.
Can the ICM7232AFIPL operate reliably in industrial environments with wide temperature variations, and how does its operating range compare to similar PMIC-based LCD drivers?
Yes, the ICM7232AFIPL is rated from -25°C to 85°C (TA), which exceeds typical consumer-grade components and aligns with industrial control panel requirements. Most alternative LCD drivers in this class—such as those from TI or Maxim—often specify ranges from 0°C to 70°C unless explicitly designed for harsh environments. The Harris part’s extended cold-start capability allows use in refrigeration units, outdoor signage, or automotive dashboards without supplemental heating circuits.
What are the implications of using the ICM7232AFIPL in RoHS-compliant designs, and are there functional or compliance risks associated with its non-RoHS status?
Since the ICM7232AFIPL is marked as RoHS non-compliant, it contains restricted substances such as lead in the die attach or solder balls, which may disqualify it from EU and California electronic waste regulations. While functionally unaffected, engineers designing for regulated markets must either obtain a compliant variant (if available) or justify its use through risk assessments. In some cases, temporary exemptions exist for legacy industrial equipment, but procurement teams should verify end-of-life timelines before committing to long-term production runs.
How does the package size of the ICM7232AFIPL impact PCB layout density compared to surface-mount alternatives like SOIC packages?
With a 40-pin PDIP in a 0.6-inch width (15.24mm), the ICM7232AFIPL occupies significantly more board space than equivalent SOIC-40 variants (typically 15.4mm x 10.3mm vs. 15.9mm x 10.3mm). However, through-hole mounting simplifies hand-soldering during prototyping and improves mechanical stability in vibration-prone environments. Engineers selecting this part must weigh signal integrity needs against footprint constraints—especially if space-sensitive enclosures are required.
What is the moisture sensitivity level (MSL) rating of the ICM7232AFIPL, and how does this affect storage and handling procedures during manufacturing?
The ICM7232AFIPL has an MSL rating of 3, indicating it can withstand up to 168 hours (7 days) at 30°C/60% RH before requiring dry packing. This means standard storage in sealed bags with desiccant is sufficient for most assembly facilities, but prolonged exposure to humid environments could lead to popcorning during reflow. Manufacturers must track bake cycles according to J-STD-033 if the part exceeds shelf life thresholds, unlike MSL 1 parts which require no special handling.
In what scenarios would replacing the ICM7232AFIPL with a modern IC like the MAX7232 offer advantages despite similar core functionality?
The MAX7232 offers comparable features but includes enhanced ESD protection, lower dropout voltage, and better thermal performance—advantages not present in the older Harris ICM7232AFIPL. If a project prioritizes future-proofing, reduced BOM risk, or stricter EMI compliance, migration may be warranted. However, the Harris version remains viable in cost-driven or legacy-compatible systems where pin compatibility and proven field reliability outweigh incremental improvements.
How does the ICM7232AFIPL manage segment output impedance, and what external components are necessary for stable contrast control across varying temperatures?
The ICM7232AFIPL provides high-impedance segment drivers ideal for direct connection to LCD glass without additional buffers. For contrast adjustment, a resistor divider network is connected to the VBIAS pin, typically generating a 1/3 to 1/4 duty cycle reference voltage. Because liquid crystal response varies with temperature, dynamic contrast compensation may require feedback circuitry or lookup tables in precision applications—something simpler implementations often omit, leading to visibility issues in extreme ambient conditions.
What role does the base product number (ICM7232) play in identifying compatible variants, and are there newer revisions with improved specifications?
The base product ICM7232 defines a family of LCD drivers sharing core architecture, including surface-mount versions like ICM7232AFSW. While all variants support 10-digit 7-segment displays, later iterations may feature reduced leakage current, wider temperature ranges, or tighter tolerance biasing networks. However, no major architectural changes have been reported post-Harris acquisition, so performance differences between suffixes (e.g., AFIPL vs. AFSW) remain minor, mostly related to packaging and compliance rather than electrical enhancement.
Given its through-hole mounting style, how does the ICM7232AFIPL perform under thermal cycling stress compared to ceramic-packaged alternatives?
The plastic DIP package of the ICM7232AFIPL exhibits moderate coefficient of thermal expansion mismatch with FR4 PCBs, increasing susceptibility to solder joint fatigue during repeated thermal cycling. While adequate for stationary applications within ±25°C to +85°C, continuous thermal stress near operational limits may accelerate failure. Ceramic packages reduce this risk but add cost and complexity; thus, selection depends on expected environmental severity and service lifetime expectations.
Is there a recommended method for testing the ICM7232AFIPL’s functionality without physical LCD hardware during early prototyping stages?
During development, a resistive load bank can simulate segment currents by replacing the LCD panel with precision resistors matched to expected capacitive load. By monitoring voltage drop across each segment path, basic continuity and drive strength can be verified. Alternatively, an oscilloscope can capture waveform integrity at the COM and SEG pins to confirm correct multiplexing timing—though full visual verification still requires actual display glass.
How does the ICM7232AFIPL’s supply current compare to competing solutions when displaying complex alphanumeric patterns versus blank screens?
Even when active, the ICM7232AFIPL consumes only 30 µA regardless of display content due to its static CMOS design. Unlike dynamic drivers that spike current during refresh cycles, this constant draw simplifies power budgeting. In contrast, older bipolar drivers or multiplexed ICs with higher leakage consume more current when segments are lit, making the ICM7232AFIPL more efficient for always-on applications like clocks or status indicators.
Are there any known limitations in interfacing the ICM7232AFIPL with microcontrollers lacking dedicated LCD controller peripherals?
The ICM7232AFIPL is a standalone driver with no native interface logic, meaning it requires manual control of digit select lines via discrete GPIOs or shift registers. Microcontrollers without built-in LCD modules (e.g., basic 8-bit MCUs) must implement software multiplexing, increasing CPU overhead. Modern SoCs with integrated LCD controllers avoid this burden but cannot use the ICM7232AFIPL directly, necessitating external logic for protocol translation.
What precautions should be taken when sourcing the ICM7232AFIPL due to its discontinued status, and how might counterfeiting risk manifest in this component?
As the ICM7232AFIPL appears to be obsolete, suppliers may stock remaining inventory or distribute refurbished units. Counterfeit risks include mislabeled packages, altered marking schemes, or degraded performance due to improper handling. Buyers should request full traceability documentation, conduct visual inspections for mold inconsistencies, and perform parametric tests (e.g., leakage current measurement) to verify authenticity before deployment in safety-critical systems.
How does the ICM7232AFIPL support custom character creation beyond standard 7-segment glyphs, and what trade-offs exist in memory allocation?
The ICM7232AFIPL allows user-defined characters by configuring specific segment combinations through its internal RAM mapped to display registers. However, each digit’s pattern occupies 7 bits, limiting flexibility for non-standard shapes like arrows or icons. Designers must balance custom glyphs against digit availability—using one digit for an icon reduces numeric capacity to nine. No on-chip ROM stores alternate fonts, so all customization occurs in real-time via MCU writes.
What is the significance of the ECCN code (EAR99) assigned to the ICM7232AFIPL, and does it restrict international distribution?
An ECCN of EAR99 indicates the ICM7232AFIPL is subject to U.S. export controls only if it incorporates encryption or serves national security applications—which it does not. Most commercial shipments fall under License Exception ENC or LVS, allowing global distribution without formal licensing. However, exporters must still comply with local regulations in destination countries, particularly regarding end-use verification for military or aerospace projects.
How does the ICM7232AFIPL’s bias voltage generation affect contrast uniformity across large LCD panels with long interconnect traces?
The internal bias generator produces fixed stepped voltages (typically 1/2, 1/3, or 1/4 VDD) intended for small-scale displays. On larger panels with long trace resistances, IR drop across wiring can skew effective bias levels at distant segments, causing uneven contrast. Engineers mitigate this by adding local bypass capacitors near the LCD connector and using thicker copper traces or conductive ink for critical paths, though these adjustments increase design complexity.
Can the ICM7232AFIPL drive both passive matrix and dot-matrix LCDs, or is it restricted to conventional 7-segment types?
The ICM7232AFIPL is optimized for passive-matrix 7-segment LCDs with static or low-duty-cycle multiplexing. It lacks the high-drive capability or addressable pixel logic required for dot-matrix or graphic LCDs, which demand higher peak currents and precise timing control. Attempting to use it with dot-matrix panels results in faint or illegible images due to insufficient segment drive strength and lack of column/row addressing support.

Parts with Similar Specifications

The three parts on the right have similar specifications to Harris Corporation ICM7232AFIPL

Product Attribute ICM7232BFIPL ICM7231BFIPL ICM7228CIPI ICM7228CIPIZ
Part Number ICM7232BFIPL ICM7231BFIPL ICM7228CIPI ICM7228CIPIZ
Manufacturer Harris Corporation Harris Corporation Renesas Electronics America Inc Renesas Electronics America Inc
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Mounting Type - Surface Mount Through Hole Surface Mount
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Configuration - - - S/H-ADC
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Supply - - - -
Digits or Characters - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Display Type - - - -
Interface - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Series - - - -
Voltage - Supply - - - -

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Customer Reviews

Evaluation: 10 Articles

  • Nord***mbedded
    Jul 20, 2026

    Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

  • 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.

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Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
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ICM7232AFIPL Image

ICM7232AFIPL

Harris Corporation
98D-ICM7232AFIPL

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