My Inquiry
My Account
STMicroelectronics HCF4093BEY
- Part No.:
- HCF4093BEY
- Manufacturer:
- STMicroelectronics
- Category:
- Gates and Inverters
- Package:
- 14-DIP (0.300", 7.62mm)
- Datasheet:
-
HCF4093BEY.pdf
- Description:
- IC GATE NAND 4CH 2-INP 14DIP
- Quantity:
- Payment:
- Shipping:
Inventory:2,740
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
HCF4093BEY from STMicroelectronics is a quad 2-input NAND Schmitt trigger IC in 14-pin DIP package, operating from 3V to 20V supply, featuring 0.9V typical hysteresis at 5V, >50% VDD noise immunity, and symmetrical output drive (±1.36mA at 5V). It enables robust signal conditioning in noisy industrial control interfaces.
For engineers reviewing the HCF4093BEY datasheet, HCF4093BEY pinout, HCF4093BEY application, or HCF4093BEY equivalent, key selection criteria include hysteresis voltage vs. supply, input leakage (<100nA at 18V), propagation delay (380ns max at 5V), and DIP-14 package compatibility with legacy through-hole PCBs.
Technical Context
The HCF4093BEY implements four independent Schmitt-trigger NAND gates, each with dual hysteresis thresholds (VP and VN) on both inputs-enabling reliable edge detection of slow-rising or noisy digital signals without external RC components. Its B-series CMOS architecture ensures rail-to-rail input tolerance and low quiescent current (≤30µA at 5V).
Each gate switches at distinct positive (VP) and negative (VN) thresholds-e.g., VP = 2.9V / VN = 1.9V at VDD = 5V (a-input condition)-yielding VH = 1.0V hysteresis. Output stages deliver standardized VOH ≥4.95V and VOL ≤0.05V at 5V, supporting TTL/CMOS interfacing across 3–20V operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 3V to 20V - supports wide-battery and industrial rail designs without level-shifting |
| Hysteresis Voltage (VH) | 0.9V typ. at VDD = 5V - rejects noise spikes up to ~18% of rail without false triggering |
| Input Leakage Current | ±100nA max. at VDD = 18V - preserves high-impedance sensor node integrity |
| Propagation Delay | 380ns max. at VDD = 5V, CL = 50pF - suitable for <2.6MHz clock conditioning or debouncing |
| Output Drive | ±1.36mA at VDD = 5V - directly drives LEDs, small relays, or CMOS/TTL fan-out of 10 |
| Operating Temperature | -55°C to +125°C - qualified for automotive under-hood and industrial motor-control environments |
| Input Capacitance | 7.5pF - minimizes loading on high-frequency or high-Z source signals |
Pinout & Package
Package: Plastic DIP-14 (dual in-line package), 0.3" body width, through-hole mounting compatible with standard 0.1" grid PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 5, 6, 8, 9, 12, 13 | Data Inputs (A/B/C/D/E/F/G/H) | Eight Schmitt-trigger inputs grouped as four NAND pairs (1&2, 5&6, 8&9, 12&13) |
| 3, 4, 10, 11 | Data Outputs (J/K/L/M) | Four NAND outputs - active-low logic with hysteresis on both inputs |
| 7 | VSS | Negative supply reference (GND) - must be connected for proper CMOS biasing |
| 14 | VDD | Positive supply rail - sets logic threshold and hysteresis magnitude |
Key Features
| Feature | Design Value |
|---|---|
| No external components required for Schmitt action | Integrated hysteresis eliminates RC networks, reducing BOM count and board space |
| Unlimited input rise/fall time tolerance | Accepts arbitrarily slow edges (e.g., thermistor or potentiometer wipers) without metastability |
| 100% tested quiescent current | Guarantees ≤30µA ICC at 5V - critical for battery-powered remote sensors |
| JEDEC JESD13B compliant | Meets industry-standard B-series CMOS electrical and reliability requirements |
| Symmetrical output characteristics | Matched VOH/VOL and IOH/IOL enable predictable timing in feedback or oscillation circuits |
Applications
| Industrial Pushbutton Debouncing | AC Mains Zero-Crossing Detection |
|---|---|
Use Scenario: Mechanical pushbuttons in PLC I/O modules generate multi-millisecond contact bounce. IC Role / Device Role / Timing Role: Quad NAND Schmitt trigger configured as RS latch + input filter - each gate pair conditions one button channel. Use Value: Eliminates need for discrete RC filters or firmware debouncing; operates reliably from 5V to 15V rails common in DIN-rail power supplies. | Use Scenario: Isolated AC line sensing via resistive divider feeding into zero-cross comparator. IC Role / Device Role / Timing Role: Single gate used as hysteresis comparator - input tied to scaled AC waveform, output drives microcontroller interrupt pin. Use Value: 0.9V hysteresis at 5V suppresses noise-induced false triggers during voltage transients near zero crossing. |
| RC Oscillator for Clock Generation | Slow-Signal Level Translation |
Use Scenario: Low-cost non-crystal clock source for microcontroller watchdog or LED blink timing. IC Role / Device Role / Timing Role: One gate wired as inverting oscillator with external R-C network - Schmitt input ensures clean square wave. Use Value: Propagation delay (380ns @5V) and hysteresis define stable frequency range up to ~200kHz with minimal component count. | Use Scenario: Interfacing 3.3V logic sensors to 12V microcontroller inputs in automotive body control units. IC Role / Device Role / Timing Role: Gate biased at 12V VDD accepts 0–3.3V input swing - Schmitt thresholds adapt to VDD, enabling rail-flexible level shift. Use Value: Input voltage range (0 to VDD) and 2.3V hysteresis at 10V allow clean 3.3V→12V translation without external bias resistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schmitt-trigger NAND applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD4093BE | Same pinout and function; higher max VDD (18V vs. 20V); wider VP/VN spread at 15V (±0.5V) | Marginally lower noise margin at 15V; not rated for -55°C operation | Prefer for cost-sensitive consumer designs where extended temp or 20V operation is unnecessary |
| 74HC14D | Hex inverter (not NAND); 2V–6V supply only; 0.4V hysteresis at 5V; faster (105ns typ.) | Requires external gating for NAND logic; unsuitable for >6V or wide-temp industrial use | Choose only for 5V-only, high-speed digital logic where NAND function is implemented externally |
Compared with CD4093BE and 74HC14D, the HCF4093BEY offers superior supply range (3–20V), guaranteed -55°C operation, and higher hysteresis-making it the only choice for ruggedized industrial signal conditioning where voltage flexibility and temperature resilience are mandatory.
Availability
HCF4093BEY is available at Aetrix Electronics and suitable for industrial pushbutton debouncing, AC mains zero-crossing detection, and RC oscillator clock generation requiring stable component supply across extended temperature and voltage ranges.
Supply support for HCF4093BEY 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 analog, MCU, power, and sensor solutions for industrial, automotive, and consumer markets.
The HCF4093BEY belongs to ST's legacy B-series CMOS logic family-engineered for high-noise immunity, wide supply operation, and reliability in harsh environments like factory automation and energy metering.
FAQ
What is the maximum supply voltage rating for HCF4093BEY?
The absolute maximum supply voltage (VDD) is +22V, but the recommended operating range is 3V to 20V per JEDEC JESD13B. Operation above 20V risks exceeding safe power dissipation limits and may degrade long-term reliability-even if functional temporarily.
Can HCF4093BEY drive a 10mA LED directly?
No. Its output sink/source capability is ±1.36mA at 5V (±3.0mA at 15V), insufficient for standard 10mA LEDs. A series current-limiting resistor and external transistor buffer are required to avoid exceeding IOL/IOH ratings and ensure stable logic levels.
Is HCF4093BEY pin-compatible with CD4093BE?
Yes-both share identical DIP-14 pinout, truth table, and Schmitt NAND functionality. However, HCF4093BEY specifies full -55°C to +125°C operation and tighter hysteresis control at 15V, while CD4093BE is typically rated only to -40°C.
Does HCF4093BEY require pull-up resistors on inputs?
No. Its CMOS inputs have negligible leakage (≤100nA at 18V), so unused inputs can be tied directly to VDD or VSS. Pull-ups are unnecessary and may interfere with Schmitt threshold behavior when used with slow-rising sources.
HCF4093BEY Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Series:
- 4000B
- Package/Case:
- 14-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Logic Type:
- NAND Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- Schmitt Trigger
- Voltage - Supply:
- 3V ~ 20V
- Current - Quiescent (Max):
- 20 µA
- Current - Output High, Low:
- 6.8mA, 6.8mA
- Input Logic Level - Low:
- 0.9V ~ 4V
- Input Logic Level - High:
- 3.6V ~ 10.8V
- Max Propagation Delay @ V, Max CL:
- 130ns @ 15V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 14-DIP
HCF4093BEY FAQ
1.How can I place an order for HCF4093BEY through Aetrix?
Please submit a Request for Quotation (RFQ) for HCF4093BEY 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 HCF4093BEY reliable?
The price and inventory of HCF4093BEY are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HCF4093BEY is usually 5 days.
3.What payment methods are accepted for HCF4093BEY?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HCF4093BEY transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HCF4093BEY?
HCF4093BEY orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HCF4093BEY 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 HCF4093BEY?
For technical support, including HCF4093BEY datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HCF4093BEY requirements.
6.How does Aetrix verify that HCF4093BEY is sourced from the original manufacturer or authorized distributors?
All HCF4093BEY 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 HCF4093BEY meets industry standards.
7.What is the process for return or replacement of HCF4093BEY?
All HCF4093BEY units undergo pre-shipment inspection (PSI). If there is an issue with HCF4093BEY, 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 HCF4093BEY part is unused and in its original packaging.
Return procedure for HCF4093BEY:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HCF4093BEY Tags
-
SN74LVC1G14DBVR
Texas Instruments
-
SN74LVC1G14DCKR
Texas Instruments
-
SN74AHC1G14DBVR
Texas Instruments
-
SN74LVC1G08DBVR
Texas Instruments
-
SN74LVC1G08DCKR
Texas Instruments
-
SN74LVC1G32DCKR
Texas Instruments
-
SN74LVC1G04DBVR
Texas Instruments
.jpg)
-
74LVC1G08GW,125
Nexperia USA Inc.
-
SN74LVC1G04DCKR
Texas Instruments
-
SN74AHC1G08DBVR
Texas Instruments
-
SN74LVC1G32DBVR
Texas Instruments
-
SN74AHCT1G08DBVR
Texas Instruments
Tech Hub
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…
Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…
Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
