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

onsemi MC74VHC1GT08DT1G

Name: MC74VHC1GT08DT1G
Brand: onsemi
SKU: MC74VHC1GT08DT1G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MC74VHC1GT08DT1G

Manufacturer:: onsemi

Category:: Gates and Inverters

Package:: SOT-23-5 Thin, TSOT-23-5

Datasheet:: MC74VHC1GT08DT1G.pdf

Description:: IC GATE AND 1CH 2-INP 5TSOP

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Product details

Overview

MC74VHC1GT08DT1G from onsemi is a single 2-input AND gate with TTL-level input thresholds, designed for 2.0 V to 5.5 V operation. It features 3.5 ns typical propagation delay at 5 V, ±8 mA output drive at 3.0 V, and over-voltage tolerant inputs/outputs up to 5.5 V - enabling robust 3 V/5 V mixed-signal interfacing in portable power management systems.

For engineers reviewing the MC74VHC1GT08DT1G datasheet, pinout, applications, or equivalent options, key selection considerations include input threshold compatibility (TTL vs. CMOS), I_OFF partial power-down support, SC-88A package footprint, and AEC-Q100 qualification for automotive subsystems.

Technical Context

The MC74VHC1GT08DT1G implements a standard 2-input AND logic function using advanced VHC CMOS technology. Its TTL-compatible input thresholds (VIH = 2.0 V min at VCC = 5.5 V; VIL = 0.8 V max) allow direct interfacing with legacy 5 V TTL outputs while operating from 3.3 V supplies.

Input and output structures tolerate voltages up to 5.5 V independent of VCC, supporting hot insertion and 5 V-to-3 V level translation. The I_OFF feature disables current flow when VCC = 0 V, preventing back-driving in partial-power-down states.

Key Specifications

Parameter	Value and Actual Design Meaning
VCC Range	2.0 V to 5.5 V - supports dual-supply systems and battery-powered designs with wide voltage tolerance.
tPD (Typ)	3.5 ns at VCC = 5 V, CL = 15 pF - enables high-speed signal conditioning in timing-critical control paths.
VIH / VIL	2.0 V / 0.8 V at VCC = 5.5 V - TTL-level thresholds ensure compatibility with standard 5 V logic families.
I_OH/I_OL	±8 mA at VCC = 3.0 V - sufficient drive strength for fan-out to multiple CMOS/TTL loads without buffering.
Input/Output Voltage Tolerance	Up to 5.5 V regardless of VCC - eliminates need for external level-shifters in mixed-voltage interfaces.
I_OFF	≤10 µA at VCC = 0 V - prevents back-current during power sequencing or battery backup scenarios.
Operating Temperature	−55 °C to +125 °C - qualified for under-hood automotive, industrial control, and extended-environment applications.

Pinout & Package

MC74VHC1GT08DT1G is packaged in SC-88A (Case 419A), a 5-pin surface-mount package measuring 2.1 mm × 2.0 mm × 1.0 mm with 0.65 mm pitch. Pin 1 is marked by a dot or beveled edge; orientation follows JEDEC standard tape-and-reel configuration (Q2).

Pin	Circuit Role	Design Meaning
1	B Input	Second logic input terminal; accepts TTL- or CMOS-level signals up to 5.5 V.
2	A Input	Primary logic input terminal; electrically identical to Pin 1, fully over-voltage tolerant.
3	GND	Ground reference for all internal circuitry and I/O structures; must be connected to system ground plane.
4	Y Output	AND-gated output; actively driven high/low or high-impedance (if tri-state variant - not applicable here).
5	VCC	Positive supply rail; powers internal logic and defines output voltage levels and input thresholds.

Key Features

Feature	Design Value
TTL-level input thresholds	Enables direct interface with legacy 5 V TTL outputs while operating from 3.3 V or lower supplies.
Over-voltage tolerant I/O (up to 5.5 V)	Eliminates external clamping diodes or level translators in mixed-voltage board designs.
I_OFF partial power-down protection	Prevents destructive back-current flow when VCC is removed but input/output nodes remain active.
SC-88A ultra-small footprint	2.1 × 2.0 mm outline saves PCB area in space-constrained modules like sensor hubs and wearables.
AEC-Q100 qualified (Grade 1)	Validated for automotive applications including body electronics, infotainment, and ADAS subsystems.

Applications

Automotive Body Control Module	Industrial Sensor Interface
Use Scenario: Logic enable gating for door lock actuators triggered by CAN message decoding and local switch inputs. IC Role / Device Role / Timing Role: Single AND gate combining safety interlock signal and command pulse to prevent unintended actuation. Use Value: TTL-compatible inputs accept 5 V microcontroller GPIO; over-voltage tolerance protects against load-dump transients on shared harness lines.	Use Scenario: Signal conditioning between 5 V analog sensor output and 3.3 V ADC input in programmable logic controllers. IC Role / Device Role / Timing Role: Level-shifting AND gate ensuring valid logic assertion only when both sensor readiness and sampling window are active. Use Value: 5.5 V I/O tolerance allows direct connection to 5 V sensor rails; 3.5 ns tPD preserves timing integrity in fast-sampling loops.
Portable Medical Device Power Sequencing	Consumer IoT Button Debounce Circuit
Use Scenario: Coordinating power-up sequence of BLE SoC and display driver IC using battery voltage monitoring and reset assertion. IC Role / Device Role / Timing Role: Enables regulated 3.3 V rail only after battery voltage exceeds threshold and reset deasserts. Use Value: I_OFF prevents reverse current from display driver into powered-down SoC during brownout recovery.	Use Scenario: Hardware-based debounce for mechanical push-button inputs feeding low-power MCU wake-up pins. IC Role / Device Role / Timing Role: AND gate combining filtered button signal and system-ready flag to suppress spurious wake events. Use Value: SC-88A footprint minimizes layout area on compact wearable PCBs; 2.0–5.5 V operation matches diverse supply domains.

Automotive Body Control Module

Industrial Sensor Interface

Use Scenario: Logic enable gating for door lock actuators triggered by CAN message decoding and local switch inputs.

IC Role / Device Role / Timing Role: Single AND gate combining safety interlock signal and command pulse to prevent unintended actuation.

Use Value: TTL-compatible inputs accept 5 V microcontroller GPIO; over-voltage tolerance protects against load-dump transients on shared harness lines.

Use Scenario: Signal conditioning between 5 V analog sensor output and 3.3 V ADC input in programmable logic controllers.

IC Role / Device Role / Timing Role: Level-shifting AND gate ensuring valid logic assertion only when both sensor readiness and sampling window are active.

Use Value: 5.5 V I/O tolerance allows direct connection to 5 V sensor rails; 3.5 ns tPD preserves timing integrity in fast-sampling loops.

Portable Medical Device Power Sequencing

Consumer IoT Button Debounce Circuit

Use Scenario: Coordinating power-up sequence of BLE SoC and display driver IC using battery voltage monitoring and reset assertion.

IC Role / Device Role / Timing Role: Enables regulated 3.3 V rail only after battery voltage exceeds threshold and reset deasserts.

Use Value: I_OFF prevents reverse current from display driver into powered-down SoC during brownout recovery.

Use Scenario: Hardware-based debounce for mechanical push-button inputs feeding low-power MCU wake-up pins.

IC Role / Device Role / Timing Role: AND gate combining filtered button signal and system-ready flag to suppress spurious wake events.

Use Value: SC-88A footprint minimizes layout area on compact wearable PCBs; 2.0–5.5 V operation matches diverse supply domains.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
SN74LVC1G08DBVR	CMOS-level inputs (VIH = 70% VCC), slightly higher ICC (max 10 µA vs. 40 µA for MC74VHC1GT08DT1G), same SC-70-5 package.	LVC family optimized for 1.65–5.5 V operation with tighter VIH/VIL ratios; less tolerant of 5 V inputs at low VCC.	Select when strict CMOS threshold matching is required and 5 V input tolerance is not needed.
NC7SZ08P5X	Smaller SOT-953 (1.0 × 0.8 mm) package; identical TTL input thresholds; 3.2 ns tPD at 5 V (vs. 3.5 ns).	Higher density placement possible; same AEC-Q100 qualification; different pinout (A-GND-B-Y-VCC vs. B-A-GND-Y-VCC).	Choose for ultra-compact layouts where SC-88A spacing is constrained and pin reassignment is feasible.

Compared with SN74LVC1G08DBVR and NC7SZ08P5X, the MC74VHC1GT08DT1G provides superior 5.5 V over-voltage tolerance and guaranteed I_OFF behavior - critical for automotive and industrial systems with unpredictable supply sequencing or transient exposure.

Availability

MC74VHC1GT08DT1G is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and portable medical device power sequencing requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MC74VHC1GT08DT1G 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 (formerly ON Semiconductor) is a global semiconductor supplier focused on energy-efficient electronics for automotive, industrial, cloud, medical, and IoT applications.

The MC74VHC1GT08DT1G belongs to the VHC logic family, engineered for high-speed, low-power, mixed-voltage interoperability in harsh-environment embedded systems - especially where reliability, small size, and AEC-Q100 compliance are mandatory.

FAQ

What is the input voltage threshold specification for MC74VHC1GT08DT1G?

The MC74VHC1GT08DT1G features TTL-level input thresholds: VIH is 2.0 V minimum and VIL is 0.8 V maximum at VCC = 5.5 V. This ensures reliable recognition of standard 5 V TTL logic levels even when operating from a 3.3 V supply, distinguishing it from CMOS-threshold variants like the MC74VHC1G08.

Does MC74VHC1GT08DT1G support partial power-down operation?

Yes, MC74VHC1GT08DT1G includes I_OFF circuitry that limits power-off leakage current to ≤10 µA when VCC = 0 V. This prevents back-current from live inputs or outputs into a powered-down system rail - a critical capability for automotive modules undergoing controlled power sequencing.

Which package does MC74VHC1GT08DT1G use, and what are its dimensions?

MC74VHC1GT08DT1G uses the SC-88A (Case 419A) package: a 5-pin, 2.1 mm × 2.0 mm × 1.0 mm surface-mount outline with 0.65 mm lead pitch. Pin 1 is identified by a dot or bevel; tape-and-reel orientation follows Q2 standard per onsemi's ordering documentation.

Is MC74VHC1GT08DT1G qualified for automotive applications?

Yes, MC74VHC1GT08DT1G is AEC-Q100 qualified (Grade 1, −40 °C to +125 °C ambient) and PPAP capable. The "−Q" suffix variant (e.g., MC74VHC1GT08DT1G−Q) meets additional automotive-specific change control and site requirements, though the base DT1G part shares the same qualification.

How does MC74VHC1GT08DT1G handle over-voltage conditions on inputs or outputs?

MC74VHC1GT08DT1G guarantees input and output voltage tolerance up to 5.5 V regardless of VCC level. This means inputs can safely accept 5 V signals while operating from 2.5 V, and outputs remain protected even if pulled above VCC - eliminating external protection components in mixed-voltage interfaces.

MC74VHC1GT08DT1G Specifications

Product attributes: Attribute value

Manufacturer:: onsemi

Series:: 74VHC

Package/Case:: SOT-23-5 Thin, TSOT-23-5

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Logic Type:: AND Gate

Number of Circuits:: 1

Number of Inputs:: 2

Features:: -

Voltage - Supply:: 3V ~ 5.5V

Current - Quiescent (Max):: 1 µA

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

Input Logic Level - Low:: 0.28V ~ 0.8V

Input Logic Level - High:: 1V ~ 2V

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

Operating Temperature:: -55°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 5-TSOP

MC74VHC1GT08DT1G FAQ

1.How can I place an order for MC74VHC1GT08DT1G through Aetrix?

Please submit a Request for Quotation (RFQ) for MC74VHC1GT08DT1G 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 MC74VHC1GT08DT1G reliable?

The price and inventory of MC74VHC1GT08DT1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74VHC1GT08DT1G is usually 5 days.

3.What payment methods are accepted for MC74VHC1GT08DT1G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74VHC1GT08DT1G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MC74VHC1GT08DT1G?

MC74VHC1GT08DT1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MC74VHC1GT08DT1G 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 MC74VHC1GT08DT1G?

For technical support, including MC74VHC1GT08DT1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74VHC1GT08DT1G requirements.

6.How does Aetrix verify that MC74VHC1GT08DT1G is sourced from the original manufacturer or authorized distributors?

All MC74VHC1GT08DT1G 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 MC74VHC1GT08DT1G meets industry standards.

7.What is the process for return or replacement of MC74VHC1GT08DT1G?

All MC74VHC1GT08DT1G units undergo pre-shipment inspection (PSI). If there is an issue with MC74VHC1GT08DT1G, 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 MC74VHC1GT08DT1G part is unused and in its original packaging.

Return procedure for MC74VHC1GT08DT1G:

1.Submit a request within 90 days.

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

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