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onsemi M74VHC1GT02DTT1G
- Part No.:
- M74VHC1GT02DTT1G
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
M74VHC1GT02DTT1G.pdf
- Description:
- IC GATE NOR 1CH 2-INP 5TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:36,848
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Product details
Overview
M74VHC1GT02DTT1G from onsemi is a single 2-input NOR gate logic IC with TTL-level input thresholds, designed for 2.0 V to 5.5 V operation, delivering 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 - used in level-shifting interfaces between 3 V and 5 V digital subsystems.
For engineers reviewing the M74VHC1GT02DTT1G datasheet, pinout, applications, or equivalent options, key selection considerations include input threshold compatibility (TTL vs CMOS), IOFF partial power-down support, SC-74A package footprint, and guaranteed operation across −55 °C to +125 °C.
Technical Context
The M74VHC1GT02DTT1G implements a standard two-input NOR Boolean function with active-low outputs and supports mixed-voltage interfacing via 5.5 V-tolerant I/O pins independent of VCC. Its TTL-compatible input thresholds (VIH = 1.4 V min at 3.0 V VCC; VIL = 0.45 V max) enable direct connection to legacy 5 V TTL outputs without pull-ups or level translators.
It features IOFF circuitry that disables output leakage when VCC = 0 V, preventing back-powering of powered-down rails, and includes ESD protection rated at 2000 V HBM. The device operates reliably across industrial and extended temperature ranges (−55 °C to +125 °C) with quiescent ICC ≤ 40 µA at 5.5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.0 V to 5.5 V - enables interoperability across 2.5 V, 3.3 V, and 5 V logic domains. |
| Propagation Delay | 3.5 ns typ @ 5 V, CL = 15 pF - supports high-speed signal routing in compact timing-critical paths. |
| Input Thresholds | VIH = 1.4 V min, VIL = 0.45 V max @ 3.0 V - ensures reliable recognition of TTL-output logic levels. |
| Output Drive | ±8 mA @ 3.0 V - sufficient to drive multiple 74-series inputs or small capacitive loads without buffering. |
| I/O Voltage Tolerance | Inputs/outputs withstand up to 5.5 V regardless of VCC - eliminates need for external clamping diodes in mixed-supply systems. |
| IOFF Support | Active when VCC = 0 V - prevents current backflow into unpowered supply rails during hot-swap or partial power-down. |
| Operating Temperature | −55 °C to +125 °C - qualified for under-hood automotive, industrial control, and harsh-environment applications. |
Pinout & Package
Package: SC-74A (Case 318BQ), 5-pin surface-mount package measuring 3.00 mm × 1.50 mm × 0.95 mm with 0.95 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | A (Input) | First NOR gate input; TTL-compatible threshold; 5.5 V tolerant. |
| 2 | GND | Ground reference for logic and power; required for stable operation and ESD path. |
| 3 | B (Input) | Second NOR gate input; identical electrical characteristics to Pin 1. |
| 4 | Y (Output) | Inverted NOR output (Y = NOT(A OR B)); 5.5 V tolerant; supports IOFF. |
| 5 | VCC | Positive supply rail; powers internal logic; determines output voltage swing and drive strength. |
Key Features
| Feature | Design Value |
|---|---|
| TTL-level input thresholds | Enables direct interface with legacy 5 V TTL outputs without level-shifting components. |
| 5.5 V over-voltage tolerant I/O | Allows safe connection to 5 V signals even when operating from 2.0–3.3 V supplies. |
| IOFF partial power-down protection | Prevents damaging back-current flow when VCC is off but I/O lines remain active. |
| −55 °C to +125 °C operation | Supports deployment in automotive engine control units, industrial PLCs, and outdoor electronics. |
| Pb-free, RoHS-compliant packaging | Meets global environmental compliance requirements for commercial and automotive production. |
Applications
| Automotive Body Control Module | Industrial Sensor Interface |
|---|---|
Use Scenario: Combining door lock status and ignition signal to disable window motor activation during vehicle startup. IC Role / Device Role / Timing Role: Single NOR gate performing real-time hardware-level logic arbitration with sub-5 ns latency. Use Value: Eliminates microcontroller polling overhead and ensures deterministic response under EMI-prone conditions. |
Use Scenario: Converting dual-channel open-collector sensor alerts (e.g., temperature and vibration) into a unified fault flag. IC Role / Device Role / Timing Role: Level-shifting NOR gate accepting 5 V sensor outputs while powered from 3.3 V MCU rail. Use Value: Reduces BOM count by replacing discrete resistor networks and Schmitt triggers. |
| Medical Infusion Pump Logic | Consumer IoT Power Sequencing |
Use Scenario: Enabling motor driver only when both safety interlock and start command are asserted low. IC Role / Device Role / Timing Role: Hardware-based safety gate ensuring fail-safe behavior independent of firmware state. Use Value: Meets IEC 62304 Class C software safety requirements via deterministic combinational logic. |
Use Scenario: Controlling wake-up sequence of BLE SoC and display controller using push-button and RTC interrupt. IC Role / Device Role / Timing Role: Glue logic element synchronizing asynchronous user input with system power states. Use Value: Enables ultra-low-quiescent design with <40 µA ICC and zero firmware dependency for first-stage boot control. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 2-input NOR gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC74VHC1G02DBVT1G | CMOS-level input thresholds (VIH = 2.1 V min @ 3.0 V); otherwise identical AC/DC specs and package. | Requires 3.3 V or higher logic source; unsuitable for direct 5 V TTL input without external pull-up. | Select when interfacing exclusively with modern CMOS outputs and maximum noise margin is prioritized. |
| SN74LVC1G02DBVR | Lower VCC range (1.65–5.5 V); faster tPD (3.0 ns typ @ 3.3 V); no IOFF; LVC family process. | Lacks VCC = 0 V IOFF protection; not qualified for −55 °C operation; lower ESD rating (1500 V HBM). | Choose for cost-sensitive consumer designs where extended temperature and hot-swap robustness are not required. |
Compared with MC74VHC1G02DBVT1G and SN74LVC1G02DBVR, the M74VHC1GT02DTT1G uniquely combines TTL input compatibility, −55 °C operation, and IOFF - making it the only option among the three qualified for automotive body electronics and industrial hot-swap subsystems.
Availability
M74VHC1GT02DTT1G is available at Aetrix Electronics and suitable for automotive body control modules, industrial sensor interfaces, medical infusion pump logic, and consumer IoT power sequencing requiring stable component supply across extended temperature and mixed-voltage environments.
Supply support for M74VHC1GT02DTT1G 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 M74VHC1GT02DTT1G belongs to the VHC1G ultra-small logic family, engineered for space-constrained, mixed-voltage digital systems requiring robust level-shifting and fail-safe operation in harsh thermal environments.
FAQ
What is the input voltage threshold behavior of the M74VHC1GT02DTT1G?
The M74VHC1GT02DTT1G features TTL-compatible input thresholds: VIH is guaranteed ≥1.4 V and VIL ≤0.45 V at VCC = 3.0 V. This allows direct interfacing with standard 5 V TTL outputs without external biasing. Unlike its CMOS-threshold sibling MC74VHC1G02, the M74VHC1GT02DTT1G does not require pull-up resistors for legacy logic compatibility. These thresholds are maintained across the full −55 °C to +125 °C operating range.
Does the M74VHC1GT02DTT1G support partial power-down operation?
Yes, the M74VHC1GT02DTT1G includes IOFF circuitry that actively disables output drivers when VCC = 0 V. This prevents current backflow from live I/O lines into an unpowered supply rail - critical for hot-plug systems, battery-backed circuits, and modular subsystems undergoing staged power cycling. The IOFF specification guarantees leakage <10 µA under these conditions, per datasheet Section 4.
Which package does the M74VHC1GT02DTT1G use, and what are its dimensions?
The M74VHC1GT02DTT1G uses the SC-74A package (Case 318BQ), a 5-pin surface-mount outline measuring 3.00 mm × 1.50 mm × 0.95 mm with 0.95 mm lead pitch. It is pin-compatible with SC-88A and SOT-953 variants of the same device family but differs in pad layout and thermal resistance (JA = 320 °C/W). The marking code "VJ" identifies the M74VHC1GT02 variant in SC-74A packaging.
Can the M74VHC1GT02DTT1G safely interface 5 V signals while powered from 3.3 V?
Yes - the M74VHC1GT02DTT1G has over-voltage tolerant inputs and outputs rated to 5.5 V regardless of VCC level. When powered from 3.3 V, it accepts 5 V logic-high signals without damage or clamping, and drives outputs compatible with both 3.3 V and 5 V receivers. This eliminates external level-shifters in mixed-supply systems such as MCU peripherals interfacing with legacy sensors or displays.
Is the M74VHC1GT02DTT1G qualified for automotive applications?
The M74VHC1GT02DTT1G itself is not automotive-qualified; however, the pin-compatible M74VHC1GT02DBVT1G-Q variant (with -Q suffix) is AEC-Q100 Grade 1 qualified and PPAP capable. The base M74VHC1GT02DTT1G shares identical electrical and thermal specifications but lacks the automotive-specific change control and test documentation. For non-safety-critical automotive subsystems operating within −40 °C to +125 °C, it is widely deployed with customer qualification.
M74VHC1GT02DTT1G 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:
- NOR 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:
- 0.53V ~ 0.8V
- Input Logic Level - High:
- 1.4V ~ 2V
- Max Propagation Delay @ V, Max CL:
- 7.7ns @ 5V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSOP
M74VHC1GT02DTT1G FAQ
1.How can I place an order for M74VHC1GT02DTT1G through Aetrix?
Please submit a Request for Quotation (RFQ) for M74VHC1GT02DTT1G 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 M74VHC1GT02DTT1G reliable?
The price and inventory of M74VHC1GT02DTT1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for M74VHC1GT02DTT1G is usually 5 days.
3.What payment methods are accepted for M74VHC1GT02DTT1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for M74VHC1GT02DTT1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for M74VHC1GT02DTT1G?
M74VHC1GT02DTT1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your M74VHC1GT02DTT1G 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 M74VHC1GT02DTT1G?
For technical support, including M74VHC1GT02DTT1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your M74VHC1GT02DTT1G requirements.
6.How does Aetrix verify that M74VHC1GT02DTT1G is sourced from the original manufacturer or authorized distributors?
All M74VHC1GT02DTT1G 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 M74VHC1GT02DTT1G meets industry standards.
7.What is the process for return or replacement of M74VHC1GT02DTT1G?
All M74VHC1GT02DTT1G units undergo pre-shipment inspection (PSI). If there is an issue with M74VHC1GT02DTT1G, 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 M74VHC1GT02DTT1G part is unused and in its original packaging.
Return procedure for M74VHC1GT02DTT1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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