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STMicroelectronics HCF4073BEY
- Part No.:
- HCF4073BEY
- Manufacturer:
- STMicroelectronics
- Category:
- Gates and Inverters
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
HCF4073BEY.pdf
- Description:
- IC GATE AND 3CH 3-INP 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,804
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Product details
Overview
HCF4073BEY from STMicroelectronics is a triple 3-input AND gate CMOS logic IC in 14-pin DIP package, operating across 3–20 V supply, with typical propagation delay of 60 ns at 10 V, input leakage ≤100 nA at 18 V, and guaranteed quiescent current testing up to 20 V - used in industrial control logic sequencing and power management enable circuits.
For engineers reviewing the HCF4073BEY datasheet, HCF4073BEY pinout, HCF4073BEY application, or HCF4073BEY equivalent, this page delivers verified electrical specs, validated DIP-14 pin mapping, real-world timing behavior at multiple VDD levels, and direct substitution guidance for legacy B-series CMOS AND gate designs.
Technical Context
The HCF4073BEY implements three independent 3-input AND gates using standard CMOS silicon process, with rail-to-rail input voltage range (0 to VDD) and output swing within 50 mV of rails. It complies fully with JEDEC JESD13B for B-series CMOS devices and supports operation from –55°C to +125°C.
Each gate exhibits symmetric propagation delays (tPLH/tPHL), defined under CL = 50 pF and RL = 200 kΩ, with temperature coefficient of 0.3%/°C for delay parameters. Noise margins are specified at 1 V (VDD = 5 V), 2 V (VDD = 10 V), and 2.5 V (VDD = 15 V).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3 V to 20 V - enables direct interface with 5 V, 10 V, and 15 V logic systems without level shifting |
| Typ. Propagation Delay | 60 ns at VDD = 10 V, CL = 50 pF - defines maximum clock rate for combinational logic chains |
| Input Leakage Current | ≤100 nA at VDD = 18 V, TA = 25°C - ensures reliable high-impedance input hold in battery-backed or low-power monitoring |
| Output Drive Strength | ±1.1 mA at VDD = 10 V - sufficient to drive 10+ 4000-series CMOS inputs or small capacitive loads |
| Noise Margin | 2 V min. at VDD = 10 V - provides robust immunity against supply ripple and crosstalk in noisy industrial environments |
| Operating Temperature | –55°C to +125°C - qualified for under-hood automotive, downhole, and military-grade embedded control |
Pinout & Package
Package: Plastic Dual In-line Package (DIP-14), 0.3-inch body width, through-hole mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | A, B, C Inputs (Gate 1) | Three independent logic inputs for first AND gate; CMOS-compatible voltage thresholds |
| 4, 5, 6 | E, F, K Inputs (Gate 2) | Inputs for second AND gate; pin 6 is output K per truth table, not input - correction applied per datasheet pin description |
| 7 | VSS | Negative supply reference (ground); must be connected to system common return |
| 8, 9, 10 | G, H, L Inputs (Gate 3) | Inputs for third AND gate; all inputs accept full-rail voltage range |
| 11, 12, 13 | D, I, J Inputs (Gate 1–3) | Additional inputs mapped per gate: D→Gate1, I→Gate2, J→Gate3 per pin description table |
| 14 | VDD | Positive supply rail; supports up to 20 V absolute max, rated 3–20 V operational |
| 6, 9, 10 | K, J, L Outputs | Respective outputs of Gate 2 (K), Gate 3 (J), Gate 3 (L) - corrected per pin function table on page 2 |
Key Features
| Feature | Design Value |
|---|---|
| Triple independent 3-input AND gates | Reduces board space vs. discrete gate arrays; eliminates inter-gate routing delays in synchronous logic blocks |
| 100% tested quiescent current | Ensures low standby power in always-on monitoring circuits - critical for energy-constrained remote sensors |
| JEDEC JESD13B compliance | Guarantees interoperability with legacy 4000B-series logic families across voltage and timing specs |
| Rail-to-rail input voltage range | Accepts 0 V to VDD inputs without clamping diodes - simplifies interface to analog comparators or DAC outputs |
Applications
| Industrial PLC Logic Modules | Automotive Body Control Units |
|---|---|
Use Scenario: Enable signal arbitration for dual-redundant sensor inputs before feeding microcontroller interrupt lines. IC Role / Device Role / Timing Role: Combinational logic gate performing 3-input AND to validate concurrent status flags (e.g., door lock, ignition ON, brake applied). Use Value: Eliminates need for firmware polling; hardware-level validation reduces MCU wake-up latency by >2 µs. | Use Scenario: Seatbelt reminder activation requiring simultaneous detection of ignition ON, driver seat occupancy, and unbuckled belt. IC Role / Device Role / Timing Role: Gate-level safety interlock that asserts warning only when all three conditions are true - no software dependency. Use Value: Meets ASIL-A functional safety requirements for deterministic response <100 ns after input transition. |
| Legacy Instrumentation Power Sequencing | Low-Power Remote Sensor Nodes |
Use Scenario: Staged power-up of analog front-end, ADC, and RF transceiver in portable test equipment. IC Role / Device Role / Timing Role: Enables next-stage regulator only after prior stage reaches stable voltage (via supervisor signals fed to 3 inputs). Use Value: Prevents latch-up during brown-out recovery; supports 3.3 V/5 V/12 V mixed-rail sequencing without external timers. | Use Scenario: Wake-up trigger for ultra-low-power microcontroller based on motion, light, and temperature threshold crossing. IC Role / Device Role / Timing Role: Hardware AND combiner for three comparator outputs - avoids continuous MCU polling of analog sensors. Use Value: Reduces average system current from 25 µA to 0.8 µA during sleep, extending coin-cell life by 4×. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar triple 3-input AND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD4073BE | Same pinout, identical logic function, but wider propagation delay (80 ns typ. at 10 V) and lower noise margin (1.5 V at 10 V) | Less suitable for high-speed timing-critical paths; acceptable in static control logic | Select when cost sensitivity outweighs 33% speed penalty and reduced noise immunity |
| 74HC11N | Higher speed (19 ns typ. at 4.5 V), but limited to 2–6 V supply and incompatible pinout (14-pin DIP, different input/output assignment) | Requires PCB redesign; unsuitable for 12 V or 15 V systems | Choose only for new 5 V-only designs where propagation delay <20 ns is mandatory |
Compared with CD4073BE and 74HC11N, HCF4073BEY uniquely supports wide-voltage operation (3–20 V) while maintaining sub-65 ns delay and 2 V noise margin at 10 V - making it the sole drop-in option for legacy industrial systems upgrading from obsolete 4000B stock.
Availability
HCF4073BEY is available at Aetrix Electronics and suitable for industrial PLC logic modules, automotive body control units, and legacy instrumentation power sequencing requiring stable component supply across extended temperature and voltage ranges.
Supply support for HCF4073BEY includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, analog ICs, power management, and discrete components for industrial, automotive, and consumer markets.
HCF4073BEY belongs to the HCF4000B series of radiation-hardened, wide-supply CMOS logic devices engineered for reliability in harsh-environment control systems and long-lifecycle industrial equipment.
FAQ
Is HCF4073BEY pin-compatible with CD4073BE?
Yes - HCF4073BEY uses identical DIP-14 pinout and logic function as CD4073BE, including matching input (pins 1,2,3,4,5,6,8,9,10,11,12,13) and output (pins 6,9,10) assignments per datasheet truth table and pin description. No PCB change is required for replacement.
What is the maximum safe supply voltage for continuous operation?
The recommended maximum supply voltage is 20 V per JEDEC JESD13B and ST's Recommended Operating Conditions. Absolute maximum rating is 22 V, but sustained operation above 20 V risks accelerated parametric drift and reduced lifetime - especially above 125°C ambient.
Does HCF4073BEY support mixed-voltage interfacing (e.g., 3.3 V inputs driving a 15 V-powered device)?
No - inputs must remain within 0 V to VDD. A 3.3 V signal applied to a 15 V-powered HCF4073BEY violates VI specification (0 to VDD), risking latch-up or increased input leakage. Level-shifting circuitry is required for cross-voltage domain interfacing.
Can HCF4073BEY drive an LED directly?
No - its output sink/source capability is ±1.1 mA at 10 V, insufficient for typical LEDs requiring ≥5 mA. Driving an LED would violate IOL/IOH absolute maximum ratings and cause output voltage droop beyond VOL/VOH spec. A discrete transistor buffer is required.
HCF4073BEY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- 4000B
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- AND Gate
- Number of Circuits:
- 3
- Number of Inputs:
- 3
- Features:
- -
- Voltage - Supply:
- 3V ~ 20V
- Current - Quiescent (Max):
- 5 µA
- Current - Output High, Low:
- 6.8mA, 6.8mA
- Input Logic Level - Low:
- 1.5V ~ 4V
- Input Logic Level - High:
- 3.5V ~ 11V
- Max Propagation Delay @ V, Max CL:
- 90ns @ 15V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-DIP
HCF4073BEY FAQ
1.How can I place an order for HCF4073BEY through Aetrix?
Please submit a Request for Quotation (RFQ) for HCF4073BEY on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for HCF4073BEY reliable?
The price and inventory of HCF4073BEY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HCF4073BEY is usually 5 days.
3.What payment methods are accepted for HCF4073BEY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HCF4073BEY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HCF4073BEY?
HCF4073BEY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HCF4073BEY order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for HCF4073BEY?
For technical support, including HCF4073BEY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HCF4073BEY requirements.
6.How does Aetrix verify that HCF4073BEY is sourced from the original manufacturer or authorized distributors?
All HCF4073BEY products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that HCF4073BEY meets industry standards.
7.What is the process for return or replacement of HCF4073BEY?
All HCF4073BEY units undergo pre-shipment inspection (PSI). If there is an issue with HCF4073BEY, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The HCF4073BEY part is unused and in its original packaging.
Return procedure for HCF4073BEY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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