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HomeProductsIntegrated Circuits (ICs)Specialized ICsHCF40182BE
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HCF40182BE - SGS

Manufacturer Part Number
HCF40182BE
Manufacturer
SGS
Allelco Part Number
32D-HCF40182BE
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
5,290 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 5290

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Specifications

HCF40182BE Tech Specifications
SGS - HCF40182BE technical specifications, attributes, parameters and parts with similar specifications to SGS - HCF40182BE

Product Attribute Attribute Value
Part Number HCF40182BE
Package DAC91001
Description DAC91001
Stock Condition Get 5290 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer SGS
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the HCF40182BE's operating voltage range compare to other CMOS logic families in SGS's 4000 series, and what design implications does this have for power supply planning in mixed-voltage systems?
The HCF40182BE operates across a wide voltage range from 3 V to 15 V, which aligns with standard CMOS 4000-series specifications. However, its input high voltage threshold of 3.5 V at VDD = 10 V is notably lower than some newer low-power logic families, requiring careful consideration when interfacing with 3.3 V systems. This characteristic means that while it can interface directly with 5 V and 12 V supplies, level-shifting may be necessary when driving loads from 3.3 V domains unless the output high voltage (typically 9.5 V at VDD = 15 V) can be scaled down through resistive dividers or buffer stages.
What are the typical propagation delays and how do they vary with supply voltage for the HCF40182BE, and why would this impact timing-sensitive designs?
At VDD = 15 V, the HCF40182BE exhibits propagation delays around 75 ns, decreasing to approximately 20 ns at VDD = 5 V. This inverse relationship between delay and supply voltage arises from reduced charge carrier transit times at higher voltages. In synchronous systems where clock frequencies exceed 1 MHz, these delays become significant when cascading multiple gates. For example, four stages of HCF40182BE logic could introduce up to 300 ns of cumulative delay at 15 V, potentially violating setup times in high-speed counters or state machines unless compensated through clock skew management or pipeline staging.
Can the HCF40182BE be used as a direct replacement for TTL-compatible 74HC161 counters in legacy designs, and what compatibility issues should be evaluated?
While both devices serve as 4-bit binary counters, the HCF40182BE cannot directly replace 74HC161 in TTL-level systems without modification. The HCF40182BE uses CMOS input thresholds incompatible with standard TTL high-level inputs (typically 2.0 V), risking undetected logic transitions. Additionally, its output drive characteristics differ significantly—maximum sink current is limited to 1.3 mA, whereas 74HC161 provides 4 mA minimum. This mismatch may cause excessive loading on downstream TTL inputs or require buffer insertion, increasing board complexity and power consumption.
What is the maximum clock frequency achievable by the HCF40182BE in practical applications, and how is this influenced by load capacitance and supply conditions?
The HCF40182BE supports reliable operation up to approximately 8 MHz under ideal conditions at VDD = 15 V and zero load capacitance. However, each additional picofarad of fan-out capacitance increases propagation delay by roughly 2–3 ps per stage, effectively reducing maximum toggle frequency. For instance, driving a total load of 20 pF across two cascaded stages limits usable frequency to under 2 MHz. Real-world implementations must account for PCB trace capacitance (~10–30 pF per meter) and connector parasitics, often necessitating derating below datasheet specifications to ensure timing margins in production environments.
How does the HCF40182BE handle asynchronous clear functionality compared to synchronous enable signals, and what initialization sequence ensures deterministic startup behavior?
The HCF40182BE features an active-low asynchronous clear (CLR) pin that overrides all other inputs immediately upon assertion, independent of the clock signal. Unlike synchronous counters, this allows immediate reset without waiting for a clock edge. To guarantee predictable initialization, designers should apply power before asserting CLR, hold CLR low for at least one full clock cycle post-power-up, then release it synchronously with the first clock pulse. Failure to follow this sequence risks metastability if CLR is released near rising edges, especially at lower operating frequencies where internal node stabilization times increase.
What precautions are required when using the HCF40182BE in battery-powered applications due to its leakage current characteristics?
Although CMOS devices like the HCF40182BE exhibit extremely low quiescent current (typically < 1 µA), input leakage currents under 1 nA can still affect precision analog circuits or high-impedance sensor interfaces over time. In coin-cell powered systems lasting months, even microampere-scale currents from adjacent components or PCB contamination can accumulate. Designers should avoid leaving unused inputs floating; instead, tie them to VDD or GND via appropriate resistors (≥ 10 kΩ) to prevent oscillation and minimize static power drain during sleep modes.
Is it feasible to cascade multiple HCF40182BE counters without additional buffering, and what performance degradation should be expected?
Direct cascading of HCF40182BE units is possible but introduces cumulative timing errors and increased skew. Each gate adds ~75 ns of propagation delay at 15 V, so three cascaded stages yield ~225 ns total latency. More critically, output-to-input voltage mismatches between stages degrade noise margins. For example, the second stage receives a 9.5 V high-level signal while interpreting logic highs relative to its own VDD. If both stages share the same supply, this remains manageable, but supply variations cause inconsistent threshold crossings. Buffering with Schmitt-trigger devices improves signal integrity but adds component count and cost—trade-offs must be weighed against system timing budgets.
How does temperature variation affect the HCF40182BE’s counting accuracy, and what compensation techniques are recommended for industrial environments?
The HCF40182BE maintains robust counting integrity across commercial (-40°C to +85°C) and extended (-40°C to +125°C) temperature ranges thanks to CMOS process stability. However, extreme thermal cycling induces package stress that may alter internal transistor matching, slightly skewing propagation delays. While not affecting basic counting function, such shifts become relevant in precision timing applications. For mission-critical systems, designers should implement external crystal oscillators rather than relying solely on internal RC networks, and perform burn-in testing under thermal extremes to validate long-term reliability before deployment.

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Delivery Method

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Common Countries Logistic Time Reference
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.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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  • ISO 9001: 2015
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HCF40182BE

SGS
32D-HCF40182BE

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