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HomeProductsIntegrated Circuits (ICs)Logic - Gates and Inverters - Multi-Function, ConfigurableHCF4019BEY
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HCF4019BEY - STMicroelectronics

Manufacturer Part Number
HCF4019BEY
Manufacturer
STMicroelectronics
Allelco Part Number
32D-HCF4019BEY
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
14,450 pcs available, New & Original
Parts Description
IC 2INPUT AND/OR QUAD 14DIP
Package
16-DIP
Data sheet
HCF4019BEY.pdf
RoHs Status
ROHS3 Compliant
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In stock: 14450

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Specifications

HCF4019BEY Tech Specifications
STMicroelectronics - HCF4019BEY technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - HCF4019BEY

Product Attribute Attribute Value
Manufacturer STMicroelectronics
Voltage - Supply 3V ~ 20V
Supplier Device Package 16-DIP
Series 4000B
Schmitt Trigger Input No
Package / Case 16-DIP (0.300', 7.62mm)
Package Tube
Output Type Single-Ended
Product Attribute Attribute Value
Operating Temperature -55°C ~ 125°C
Number of Inputs 2 Input (1, 1)
Number of Circuits 4
Mounting Type Through Hole
Logic Type AND/OR Gate
Current - Output High, Low 6.8mA, 6.8mA
Base Product Number HCF4019

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

HCF4019BEY Image
HCF4019BEY (1)

Manufacturer Part Number

HCF4019BEY

Manufacturer

stmicroelectronics

Introduction

The HCF4019BEY is a quad AND/OR gate with 2-input configurable logic gates. It is part of the 4000B CMOS logic series, providing high noise immunity and low power consumption for a wide range of digital applications.

Product Features and Performance

4 independent AND/OR gates with 2 inputs each

Configurable logic each gate can be individually programmed as AND or OR

Schmitt-trigger inputs not available

Single-ended output

Output current: 6.8mA high, 6.8mA low

Supply voltage: 3V to 20V

Operating temperature: -55°C to 125°C

Through-hole mounting in a 16-DIP package

Product Advantages

Flexible logic configuration allows customization for diverse applications

Low power consumption suitable for battery-powered devices

Wide supply voltage range for compatibility with different system requirements

Extended temperature range for use in harsh environments

Key Reasons to Choose This Product

Cost-effective multi-function logic gate solution

Proven reliability and performance of the 4000B CMOS logic series

Flexibility to tailor the logic function to specific design needs

Compact through-hole package saves board space

Quality and Safety Features

Manufactured to high quality standards by STMicroelectronics

Tested for reliability and compliance with industry safety requirements

Compatibility

The HCF4019BEY is compatible with other 4000B series CMOS logic devices.

Application Areas

Digital control and logic circuits

Analog signal processing

Industrial automation and control systems

Consumer electronics

Product Lifecycle

The HCF4019BEY is an obsolete product, meaning it is no longer in active production. However, there are equivalent or alternative models available from STMicroelectronics and other manufacturers. Customers are advised to contact our website's sales team for more information on current product options.

Frequently Asked Questions(FAQ)

How does the HCF4019BEY handle voltage compatibility in mixed-signal systems where 5V logic must interface with 3.3V microcontrollers?
The HCF4019BEY supports a supply voltage range of 3V to 20V, enabling direct interface between 5V and 3.3V systems without level shifting when used in compatible configurations. This wide tolerance allows it to operate reliably across common digital voltage rails encountered in legacy and modern designs. Its single-ended outputs can drive standard TTL or CMOS inputs within the specified thresholds, provided the receiving stage operates at or below 5V. However, care must be taken to ensure that input voltages do not exceed the maximum rated supply, which could compromise long-term reliability.
What is the typical propagation delay for the HCF4019BEY when switching at 10MHz, and how does this affect timing-critical AND/OR gate applications?
At a 10MHz switching frequency and typical conditions (VDD = 10V, CL = 50pF), the HCF4019BEY exhibits a propagation delay in the range of 70ns to 120ns depending on transition direction. This latency may introduce cumulative skew in cascaded logic stages, particularly when implementing complex combinational paths. For applications requiring sub-50ns response times, alternative families like 74HC or 74HCT may offer better performance, though at reduced voltage flexibility.
Can the HCF4019BEY be substituted directly with CD4019BE in high-reliability industrial control systems operating at elevated temperatures?
While the HCF4019BEY and CD4019BE share identical pinouts and basic functionality, the HCF variant offers improved noise immunity and tighter process control, making it more suitable for harsh environments. Both devices are functionally equivalent within the same series, but the HCF designation implies enhanced quality metrics and stricter parametric screening. In temperature-critical applications spanning -55°C to 125°C, using the HCF4019BEY may reduce failure risk due to its optimized design for extended thermal cycling.
How many independent logic functions can be implemented using a single HCF4019BEY package in a multi-stage comparator or data routing circuit?
The HCF4019BEY contains four independent AND/OR configurable circuits, each accepting two inputs. This allows implementation of up to four distinct Boolean expressions per device—for example, generating control signals for different sensor channels or managing parallel data selection paths. Each gate operates autonomously with isolated outputs, enabling flexible logic partitioning without external buffering in non-interfering domains.
Is Schmitt trigger input functionality available on any of the HCF4019BEY’s inputs, and what are the implications for noisy signal conditioning?
No, the HCF4019BEY does not incorporate Schmitt trigger inputs. Therefore, when interfacing with slow-changing or noisy signals near threshold levels, the device may exhibit metastable switching behavior or excessive glitching. For such applications, an additional buffer stage with hysteresis—such as a 40106-based Schmitt inverter—is recommended before routing signals into the HCF4019BEY’s logic paths.
What is the maximum allowable output current sourcing capability of the HCF4019BEY, and how should this influence fan-out calculations in driving multiple loads?
The HCF4019BEY provides a maximum output current of ±6.8mA under typical supply conditions (e.g., VDD = 10V). This limits fan-out to approximately five standard CMOS inputs or three TTL loads, assuming no capacitive loading. When driving higher capacitance loads or multiple destinations, output degradation and increased propagation delay occur. Designers should verify worst-case sink/source requirements against datasheet curves and consider using buffer ICs for expanded drive needs.
How does the operating temperature range of the HCF4019BEY impact its use in automotive-grade instrumentation compared to commercial-grade alternatives?
With an extended operating range from -55°C to 125°C, the HCF4019BEY meets stringent automotive and industrial requirements that exceed most commercial ICs limited to 0°C to 70°C. This enables deployment in engine compartments, HVAC controls, or rail signaling systems where thermal extremes are common. The wider junction temperature support ensures functional integrity during rapid ambient transients and sustained high-load operation, reducing derating concerns.
Can the HCF4019BEY be used in radiation-hardened space applications given its standard manufacturing process?
No, the HCF4019BEY is not qualified for radiation-hardened environments. It uses a conventional CMOS process without special hardening techniques such as epitaxial substrates or guard rings. While it performs adequately under normal terrestrial conditions, total ionizing dose (TID) effects and single-event upsets (SEUs) may cause erratic behavior in orbital or deep-space missions. Radiation-tolerant alternatives from specialized suppliers should be selected instead.
What packaging considerations arise when integrating the HCF4019BEY into a through-hole PCB design requiring conformal coating?
The HCF4019BEY comes in a standard 16-DIP (0.300", 7.62mm) package with through-hole leads. These are compatible with traditional wave soldering and manual assembly processes. However, conformal coating applied post-assembly may trap moisture under the epoxy-sealed chip if not carefully controlled. Since the MSL rating is Level 1 (unlimited floor life), storage and handling pose minimal risk, but coating application must avoid creating thermal barriers that affect long-term junction temperatures.
How does the HCF4019BEY compare to the 74LS151 multiplexers when implementing custom logic functions requiring both selection and gating operations?
Unlike the 74LS151, which is a fixed-function 8-to-1 multiplexer, the HCF4019BEY offers reconfigurable AND/OR logic per channel, allowing dynamic expression synthesis without external decoding networks. This makes the HCF4019BEY more efficient for applications requiring conditional gating based on two input variables rather than address-driven data routing. However, the 74LS151 excels in high-speed data distribution tasks where input multiplexing dominates over combinatorial logic flexibility.
Are there any known substitution risks when replacing the HCF4019BEY with a generic HCF4019 in production runs with tight lead time constraints?
Yes, substituting a generic HCF4019 part—even with the same base number—can introduce parametric drift in propagation delay, power consumption, or noise margins due to variations in fabrication batch and quality control. The HCF4019BEY specifically denotes a version meeting STMicroelectronics’ standardized performance criteria. Using non-BEY variants might result in inconsistent behavior across temperature or voltage boundaries, especially in safety-relevant designs.
What is the significance of the RoHS3 and REACH compliance status for the HCF4019BEY in global manufacturing environments?
RoHS3 and REACH compliance ensures the HCF4019BEY contains restricted substances below legal thresholds, facilitating use across international markets including EU, North America, and Asia. This simplifies supply chain logistics and avoids customs delays associated with non-compliant components. The "REACH Unaffected" designation further confirms absence of SVHCs (Substances of Very High Concern), reducing audit overhead in certified manufacturing facilities.
How should decoupling be applied when using the HCF4019BEY in densely populated PCBs with multiple nearby ICs drawing transient currents?
A 0.1μF ceramic capacitor should be placed within 2mm of the VDD pin of the HCF4019BEY, preferably on the same side as the component body. Given its moderate output slew rates (~5V/μs at 10V supply), rapid edge transitions can generate brief ground bounce. Local decoupling minimizes loop inductance and stabilizes supply impedance during simultaneous switching events from adjacent devices.
Can the HCF4019BEY be used to implement a priority encoder function, and what limitations would apply in such a configuration?
The HCF4019BEY alone cannot directly implement a full priority encoder due to its fixed AND/OR structure. However, by combining multiple instances or pairing it with simple inverters and OR gates, partial encoding logic can be constructed. For example, detecting which of two input lines is active among several candidates requires additional comparison circuitry. Pure priority encoding typically demands dedicated logic families like the 74HC148 for optimal speed and simplicity.
What are the typical standby current characteristics of the HCF4019BEY at 5V and 25°C, and how does this impact battery-powered monitoring systems?
At VDD = 5V and TA = 25°C, the quiescent supply current for the HCF4019BEY is typically less than 1μA per inactive gate, rising slightly with active switching. Across all four circuits, total static power remains well below 10μW, making it suitable for ultra-low-power embedded sensors or intermittent-logic controllers where energy efficiency outweighs response time requirements.
How does the output voltage swing of the HCF4019BEY compare between high and low states when powered at 3.3V versus 15V?
When supplied at 3.3V, the HCF4019BEY produces an output high near VDD - 0.5V (~2.8V) and a low close to 0.1V, yielding a nominal logic swing of ~2.7V. At 15V supply, the swing approaches 14.5V down to 0.1V, providing robust noise margins for interfacing with higher-voltage systems. This scalability ensures backward compatibility while supporting future voltage scaling in mixed-level architectures.
What precautions are necessary when hand-soldering the HCF4019BEY in field repair scenarios with limited equipment?
Hand soldering should use a fine-tip iron (<30W) and temperature-controlled station set to 320–350°C. Prolonged contact (>5 seconds) risks thermal damage to internal ESD structures. After reflow, inspect for cold joints or bridging between adjacent pins, particularly around the narrow pitch of the DIP package. Since the device is MSL 1 rated, it tolerates unlimited exposure time before soldering if stored properly.
How does the HCF4019BEY’s configuration flexibility compare to fixed-function quad NAND or NOR gates when designing programmable logic modules?
Unlike dedicated NAND or NOR variants, the HCF4019BEY allows each pair of inputs to be configured as either AND or OR via internal interconnects, offering greater adaptability in prototyping or field-programmable applications. This reduces BOM count compared to discrete implementations but lacks the speed advantage of dedicated fast-switching gates. For high-frequency applications, fixed-function parts remain preferable; for low-complexity, variable logic needs, the HCF4019BEY strikes a reasonable balance.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics HCF4019BEY

Product Attribute HCF4019BEY HCF4017M013TR HCF4020M013TR HCF4020
Part Number HCF4019BEY HCF4017M013TR HCF4020M013TR HCF4020
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Number of Circuits 4 - - -
Mounting Type Through Hole Surface Mount Surface Mount -
Schmitt Trigger Input No - - -
Voltage - Supply 3V ~ 20V 3 V ~ 20 V 3 V ~ 20 V -
Output Type Single-Ended - - -
Operating Temperature -55°C ~ 125°C -55°C ~ 125°C -55°C ~ 125°C -
Supplier Device Package 16-DIP 16-SO 16-SO -
Base Product Number HCF4019 HCF4017 HCF4020 -
Series 4000B 4000 4000 -
Package / Case 16-DIP (0.300', 7.62mm) 16-SOIC (0.154', 3.90mm Width) 16-SOIC (0.154', 3.90mm Width) -
Package Tube Tape & Reel (TR) Tape & Reel (TR) -
Number of Inputs 2 Input (1, 1) - - -
Current - Output High, Low 6.8mA, 6.8mA - - -
Logic Type AND/OR Gate Counter, Decade Binary Counter -

HCF4019BEY Datasheet PDF

Download HCF4019BEY pdf datasheets and STMicroelectronics documentation for HCF4019BEY - STMicroelectronics.

HTML Datasheet
Cylindrical Battery Holders.pdf

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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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Note:
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HCF4019BEY Image

HCF4019BEY

STMicroelectronics
32D-HCF4019BEY

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