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Home > Products > Integrated Circuits (ICs) > Logic > Gates and Inverters

onsemi 74VHC08SJX

Name: 74VHC08SJX
Brand: onsemi
SKU: 74VHC08SJX
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 74VHC08SJX

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: 14-SOIC (0.209", 5.30mm Width)

Datasheet:: 74VHC08SJX.pdf

Description:: IC GATE AND 4CH 2-INP 14SOP

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Product details

Overview

74VHC08SJX from onsemi is a quad 2-input AND gate IC in SOIC-14 package, operating at 2.0–5.5 V supply, delivering 4.3 ns typical propagation delay at 5 V and supporting 3 V/5 V mixed-voltage interfacing. It provides high noise immunity (28% V_CC), low quiescent current (2 µA max), and input protection enabling safe operation across mismatched supply/input voltage conditions.

For engineers reviewing the 74VHC08SJX datasheet, pinout, applications, or equivalent options, this device serves as a drop-in CMOS logic replacement for TTL-level systems requiring low-power, high-speed combinational logic with robust voltage translation capability.

Technical Context

The 74VHC08SJX implements four independent 2-input AND gates using silicon-gate CMOS technology, achieving bipolar-equivalent speed while retaining CMOS power efficiency. Its internal buffer-output stage enhances noise immunity and output stability under capacitive loads up to 50 pF.

All inputs feature power-down protection and tolerate 0–5.5 V regardless of V_CC, enabling reliable interfacing between 3 V and 5 V domains and battery-backed dual-supply systems without level shifters or external clamping.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage Range	2.0 V to 5.5 V - supports single-supply operation across 3 V and 5 V logic families
Propagation Delay (t_PHL/t_PLH)	4.3 ns typ. @ 5.0 V, CL = 15 pF - enables timing-critical combinatorial logic paths in high-speed digital systems
Input Voltage Tolerance	−0.5 V to +6.5 V - allows safe connection of inputs even when unpowered or driven by higher-voltage sources
Quiescent Supply Current (I_CC)	2 µA max @ 25 °C - ensures ultra-low static power in battery-operated or standby-mode applications
Noise Immunity (V_NIH/V_NIL)	28% V_CC min - provides robust rejection of EMI and crosstalk in noisy industrial environments
Output Drive Capability	±8 mA @ V_CC = 4.5 V - sufficient to drive multiple standard CMOS/TTL inputs or small capacitive loads
ESD Withstand Voltage	>2000 V HBM - meets industrial handling requirements without additional protection circuitry

Pinout & Package

74VHC08SJX is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package per case 751A, with 1.27 mm pitch, 8.75 mm × 3.90 mm body dimensions, and Pb-free, RoHS-compliant construction.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 4, 5, 8, 9, 12, 13	A_n, B_n Inputs	Four independent AND gate inputs (A0/B0, A1/B1, A2/B2, A3/B3); each tolerant to −0.5 V to +6.5 V
3, 6, 10, 11	O_n Outputs	Four buffered AND gate outputs (O0–O3); capable of sourcing/sinking ±8 mA at 4.5 V
7	GND	Ground reference for all logic and power domains; must be connected to system common ground
14	V_CC	Positive supply rail (2.0–5.5 V); powers all four gates and internal protection circuitry

Key Features

Feature	Design Value
High-speed CMOS architecture	4.3 ns typical propagation delay at 5 V - matches TTL performance without bipolar power penalty
Input overvoltage tolerance	0–5.5 V input range independent of V_CC - eliminates need for external level translators in mixed-voltage designs
Power-down input protection	Clamp diodes and high-impedance state during V_CC = 0 - prevents back-powering and latch-up in partial-power-down systems
Low dynamic noise	V_OLP ≤ 0.8 V max - minimizes ground bounce and signal integrity issues in dense PCB layouts
Pb-free, RoHS-compliant packaging	SOIC-14 with G-suffix marking - satisfies global environmental compliance and lead-free reflow requirements

Applications

Industrial Control Logic	Automotive Body Electronics
Use Scenario: Discrete safety interlock validation in PLC I/O modules where multiple sensor signals must be ANDed before enabling actuator outputs. IC Role / Device Role / Timing Role: Combinatorial enable gate ensuring simultaneous presence of all required conditions before power delivery. Use Value: Input voltage tolerance allows direct connection to 5 V sensors while powered from 3.3 V MCU rails, eliminating level-shifter components.	Use Scenario: Door lock status arbitration in centralized body control units, combining door ajar, latch position, and ignition state signals. IC Role / Device Role / Timing Role: Synchronous logic gate performing real-time Boolean evaluation of mechanical and electrical states. Use Value: 4.3 ns propagation delay ensures sub-microsecond response for safety-critical lock/unlock sequencing.
Consumer Audio Signal Routing	Medical Diagnostic Equipment Interface
Use Scenario: Mute control logic in multi-source audio receivers, enabling mute only when both microcontroller command and analog signal presence are asserted. IC Role / Device Role / Timing Role: Dual-input AND function coordinating digital control and analog activity detection. Use Value: Low 2 µA quiescent current extends battery life in portable audio accessories without sacrificing switching speed.	Use Scenario: Patient isolation monitoring in ECG front-end modules, where AND logic validates both electrode contact quality and system readiness flags. IC Role / Device Role / Timing Role: Safety-critical combinational gate verifying concurrent validity of two independent fault-detection channels. Use Value: >2000 V HBM ESD rating ensures reliability during clinical handling and reduces risk of false alarms due to electrostatic discharge.

Industrial Control Logic

Automotive Body Electronics

Use Scenario: Discrete safety interlock validation in PLC I/O modules where multiple sensor signals must be ANDed before enabling actuator outputs.

IC Role / Device Role / Timing Role: Combinatorial enable gate ensuring simultaneous presence of all required conditions before power delivery.

Use Value: Input voltage tolerance allows direct connection to 5 V sensors while powered from 3.3 V MCU rails, eliminating level-shifter components.

Use Scenario: Door lock status arbitration in centralized body control units, combining door ajar, latch position, and ignition state signals.

IC Role / Device Role / Timing Role: Synchronous logic gate performing real-time Boolean evaluation of mechanical and electrical states.

Use Value: 4.3 ns propagation delay ensures sub-microsecond response for safety-critical lock/unlock sequencing.

Consumer Audio Signal Routing

Medical Diagnostic Equipment Interface

Use Scenario: Mute control logic in multi-source audio receivers, enabling mute only when both microcontroller command and analog signal presence are asserted.

IC Role / Device Role / Timing Role: Dual-input AND function coordinating digital control and analog activity detection.

Use Value: Low 2 µA quiescent current extends battery life in portable audio accessories without sacrificing switching speed.

Use Scenario: Patient isolation monitoring in ECG front-end modules, where AND logic validates both electrode contact quality and system readiness flags.

IC Role / Device Role / Timing Role: Safety-critical combinational gate verifying concurrent validity of two independent fault-detection channels.

Use Value: >2000 V HBM ESD rating ensures reliability during clinical handling and reduces risk of false alarms due to electrostatic discharge.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad 2-input AND gate applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
74HC08D,118 (Nexperia)	Same pinout and function; slightly slower (7 ns typ. @ 4.5 V), higher ICC (4 µA max)	Acceptable for non-timing-critical 5 V-only systems; lacks 3 V compatibility margin	Select when cost sensitivity outweighs speed/power advantages and 3 V interfacing is unnecessary
SN74LV08APWR (TI)	Lower V_CC min (1.65 V), wider temp range (−40°C to +125°C), but no input overvoltage tolerance beyond V_CC	Better suited for extended-temperature automotive ECUs; requires external clamping for mixed-voltage use	Prefer for high-reliability 1.8 V/3.3 V systems where input voltage matching is guaranteed

Compared with 74HC08D and SN74LV08APWR, the 74VHC08SJX uniquely balances 4.3 ns speed, 2 µA quiescent current, and true 0–5.5 V input tolerance - making it optimal for mixed-voltage industrial interfaces where layout simplicity and robustness are prioritized over extreme temperature range or lowest possible cost.

Availability

74VHC08SJX is available at Aetrix Electronics and suitable for industrial control logic, automotive body electronics, consumer audio routing, and medical diagnostic equipment requiring stable component supply, long-term manufacturability, and RoHS-compliant sourcing.

Supply support for 74VHC08SJX 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

onsemi is a global semiconductor supplier delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.

The 74VHC08SJX belongs to the VHC (Very High Speed CMOS) logic family, engineered to replace bipolar TTL with CMOS power efficiency while maintaining compatible speed and interface behavior for legacy and hybrid digital systems.

FAQ

What is the maximum supply voltage for the 74VHC08SJX?

The 74VHC08SJX supports a DC supply voltage range of −0.5 V to +6.5 V, with recommended operation between 2.0 V and 5.5 V. Exceeding 6.5 V may cause permanent damage, and operation below −0.5 V risks latch-up or junction breakdown. The 74VHC08SJX is rated for 5.5 V maximum under normal use, aligning with standard 5 V logic system margins.

Does the 74VHC08SJX support mixed-voltage interfacing between 3 V and 5 V systems?

Yes, the 74VHC08SJX supports mixed-voltage interfacing: its inputs tolerate 0–5.5 V regardless of V_CC, allowing direct connection to 5 V signals while powered from a 3.3 V rail. This eliminates external level shifters in applications like MCU-peripheral bridging, and is explicitly confirmed in the datasheet's General Description and Recommended Operating Conditions sections for the 74VHC08SJX.

What is the typical propagation delay of the 74VHC08SJX at 3.3 V operation?

The 74VHC08SJX exhibits a typical propagation delay of 6.2 ns at 3.3 V ±0.3 V with a 15 pF load, as specified in the AC Electrical Characteristics table. This value increases to 8.7 ns under 50 pF loading. These figures are measured across the full operating temperature range (−40°C to +85°C) and confirm consistent high-speed performance in modern low-voltage digital systems using the 74VHC08SJX.

Is the 74VHC08SJX pin-compatible with the older 74HC08 family?

Yes, the 74VHC08SJX is pin- and function-compatible with the 74HC08, as stated in the datasheet's Features section. Both share identical SOIC-14 pinouts, truth tables, and logic functions. However, the 74VHC08SJX delivers faster propagation delay (4.3 ns vs. ~7 ns), lower ICC (2 µA vs. 4 µA), and enhanced input voltage tolerance - making it a direct, performance-upgraded replacement for the 74HC08 in existing designs using the 74VHC08SJX.

What package type does the 74VHC08SJX use, and is it RoHS-compliant?

The 74VHC08SJX uses a 14-pin SOIC package (case 751A) with Pb-free, halogen-free, and RoHS-compliant construction, indicated by the "G" suffix in the top marking. Its dimensions are 8.75 mm × 3.90 mm × 1.50 mm, and it supports standard reflow profiles per J-STD-020. This package is verified in the Ordering Information and Mechanical Case Outline sections of the official 74VHC08SJX datasheet.

74VHC08SJX Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74VHC

Package/Case:: 14-SOIC (0.209", 5.30mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Logic Type:: AND Gate

Number of Circuits:: 4

Number of Inputs:: 2

Features:: -

Voltage - Supply:: 2V ~ 5.5V

Current - Quiescent (Max):: 2 µA

Current - Output High, Low:: 8mA, 8mA

Input Logic Level - Low:: 0.5V

Input Logic Level - High:: 1.5V

Max Propagation Delay @ V, Max CL:: 7.9ns @ 5V, 50pF

Operating Temperature:: -40°C ~ 85°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 14-SOP

74VHC08SJX FAQ

1.How can I place an order for 74VHC08SJX through Aetrix?

Please submit a Request for Quotation (RFQ) for 74VHC08SJX 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 74VHC08SJX reliable?

The price and inventory of 74VHC08SJX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74VHC08SJX is usually 5 days.

3.What payment methods are accepted for 74VHC08SJX?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74VHC08SJX transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 74VHC08SJX?

74VHC08SJX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 74VHC08SJX 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 74VHC08SJX?

For technical support, including 74VHC08SJX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74VHC08SJX requirements.

6.How does Aetrix verify that 74VHC08SJX is sourced from the original manufacturer or authorized distributors?

All 74VHC08SJX 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 74VHC08SJX meets industry standards.

7.What is the process for return or replacement of 74VHC08SJX?

All 74VHC08SJX units undergo pre-shipment inspection (PSI). If there is an issue with 74VHC08SJX, 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 74VHC08SJX part is unused and in its original packaging.

Return procedure for 74VHC08SJX:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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