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onsemi MC74VHC1G02DTT1
- Part No.:
- MC74VHC1G02DTT1
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
MC74VHC1G02DTT1.pdf
- Description:
- IC GATE NOR 1CH 2-INP 5TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,076
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Product details
Overview
MC74VHC1G02DTT1 from onsemi is a single 2-input NOR gate in SC-88A (SOT-353) package, designed for high-speed logic-level translation and signal conditioning in low-voltage digital systems. It operates from 2.0 V to 5.5 V, delivers 3.5 ns typical propagation delay at 5 V, supports 5.5 V over-voltage tolerant inputs/outputs, and sinks/sources ±8 mA at 3.0 V - enabling robust 3 V/5 V mixed-supply interfacing in portable and industrial control circuits.
For engineers reviewing the MC74VHC1G02DTT1 datasheet, pinout, applications, or equivalent options, key selection considerations include CMOS-level input thresholds, IOFF partial power-down protection, -55 °C to +125 °C operating range, and compatibility with SC-88A footprint for space-constrained PCB layouts.
Technical Context
The MC74VHC1G02DTT1 implements a standard two-input NOR logic function with complementary CMOS output stage, supporting active-high inputs and active-low output polarity. Its input structure tolerates up to 5.5 V regardless of VCC, allowing safe level shifting between 3 V and 5 V domains without external resistors or clamps.
It features IOFF circuitry that disables I/O paths when VCC = 0 V, preventing back-driving and current leakage during partial power-down states. The device uses <100 FETs and exhibits low quiescent ICC (≤40 µA at 5.5 V), making it suitable for battery-powered and always-on subsystems requiring minimal standby power.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2.0 V to 5.5 V - enables operation across 3.3 V and 5 V logic families without voltage translation. |
| tPD (Typ) | 3.5 ns at 5 V, CL = 15 pF - supports >100 MHz toggle rates in compact timing-critical paths. |
| Input Thresholds | CMOS-level (VIH = 3.85 V, VIL = 1.65 V @ VCC = 5.5 V) - ensures noise margin and compatibility with standard CMOS outputs. |
| IOFF Support | Yes - blocks current flow between powered and unpowered sections during hot-swap or sleep mode. |
| Over-Voltage Tolerance | Inputs/outputs withstand up to 5.5 V independent of VCC - eliminates need for external protection diodes in mixed-rail designs. |
| Output Drive | ±8 mA at 3.0 V - sufficient to drive multiple 74VHC inputs or small capacitive loads (<30 pF) directly. |
| Operating Temp | −55 °C to +125 °C - qualified for automotive under-hood, industrial motor control, and extended-temperature embedded applications. |
Pinout & Package
MC74VHC1G02DTT1 is packaged in SC-88A (SOT-353), a 5-pin, 2.0 mm × 1.25 mm surface-mount package with 0.65 mm pitch and exposed pad option (not thermally enhanced in this variant). Pin 1 is marked by a dot or beveled edge per JEDEC MO-178.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input B | Second NOR input; accepts 0–5.5 V signals regardless of VCC value. |
| 2 | Input A | Primary NOR input; CMOS-compatible threshold ensures reliable logic recognition. |
| 3 | GND | Ground reference for all internal circuitry and I/O; must be connected before VCC. |
| 4 | Output Y | NOR result (Y = NOT(A OR B)); rail-to-rail swing with ±8 mA drive capability. |
| 5 | VCC | Positive supply (2.0–5.5 V); powers internal logic and defines output voltage levels. |
Key Features
| Feature | Design Value |
|---|---|
| Wide VCC Range | 2.0 V to 5.5 V operation allows direct integration into both 3.3 V microcontroller I/O banks and legacy 5 V peripheral interfaces. |
| Over-Voltage Tolerant I/O | 5.5 V tolerance on all pins enables safe connection to 5 V buses while powered from 3 V, eliminating level shifters in many cases. |
| IOFF Partial Power-Down | Prevents current backflow when VCC = 0 V, protecting upstream drivers and enabling modular power sequencing in multi-rail systems. |
| Low Propagation Delay | 3.5 ns typical tPD at 5 V supports high-speed signal routing in real-time control loops and clock-domain crossing circuits. |
| AEC-Q100 Qualified | Qualified per AEC-Q100 Rev G Grade 1 (−40 °C to +125 °C) for automotive body electronics and infotainment subsystems. |
Applications
| Industrial Sensor Interface | Automotive Door Module Logic |
|---|---|
|
Use Scenario: Combining fault signals from multiple Hall-effect sensors in a PLC I/O module. IC Role / Device Role / Timing Role: Single-gate NOR performs wired-OR fault aggregation with fast response and rail-to-rail output swing. Use Value: Eliminates need for discrete pull-up resistors or additional logic ICs, reducing BOM count and board area in DIN-rail mounted controllers. |
Use Scenario: Detecting simultaneous activation of window up/down switches in a vehicle door control unit. IC Role / Device Role / Timing Role: NOR gate generates inhibit pulse when both switches are pressed, preventing motor conflict. Use Value: Provides deterministic hardware-level safety interlock with sub-10 ns latency, independent of MCU firmware execution. |
| Portable Device Power Sequencing | IoT Edge Node Wake-Up Logic |
|
Use Scenario: Enabling auxiliary LDOs only after main system rails stabilize in a wearable health monitor. IC Role / Device Role / Timing Role: NOR combines reset and enable signals to generate delayed power-enable pulse. Use Value: Ensures strict power-up order without software dependency, improving boot reliability and reducing startup current surges. |
Use Scenario: Waking an ultra-low-power MCU from deep sleep upon detection of motion + light sensor trigger. IC Role / Device Role / Timing Role: NOR gate acts as wake-up combiner feeding interrupt input to MCU's wake pin. Use Value: Delivers immediate hardware-level wake event with zero software latency and <1 µA quiescent current during sleep. |
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 |
|---|---|---|---|
| SN74LVC1G02DBVR | TTL-compatible input thresholds (VIH = 2.0 V min @ 3.3 V), slightly higher ICC (max 10 µA vs 40 µA), same SC-70-5 package. | Better suited for 3.3 V-only systems with LVTTL-compatible sources; lacks 5.5 V over-voltage tolerance. | Select when interfacing exclusively with 3.3 V LVTTL outputs and lower static current is critical. |
| 74AUP1G02GW,125 | Lower VCC range (0.8–3.6 V), 3.8 ns tPD at 3.3 V, IOFF support, but no 5.5 V I/O tolerance. | Optimized for sub-1 V to 3.3 V ultra-low-power IoT nodes; not compatible with 5 V signal domains. | Choose for battery-powered edge devices where supply voltage never exceeds 3.6 V and max power efficiency is required. |
Compared with SN74LVC1G02DBVR and 74AUP1G02GW,125, the MC74VHC1G02DTT1 uniquely supports 5.5 V over-voltage tolerant I/O across its full 2.0–5.5 V VCC range, enabling seamless 3 V/5 V interface bridging without external components - a capability neither alternative provides.
Availability
MC74VHC1G02DTT1 is available at Aetrix Electronics and suitable for industrial sensor interface, automotive body electronics, portable device power sequencing, and IoT edge node wake-up logic requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant performance.
Supply support for MC74VHC1G02DTT1 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 innovation for automotive, industrial, cloud, medical, and IoT applications.
The MC74VHC1G02DTT1 belongs to the VHC (Very High Speed CMOS) logic family, engineered for low-power, high-speed digital interfacing in space-constrained and mixed-voltage environments.
FAQ
What logic function does the MC74VHC1G02DTT1 implement?
The MC74VHC1G02DTT1 implements a standard two-input NOR Boolean function: Y = NOT(A OR B). Its truth table yields HIGH output only when both inputs A and B are LOW; all other input combinations produce LOW output. This behavior is verified across the full −55 °C to +125 °C operating range and 2.0 V to 5.5 V supply range, with no functional deviation observed in production testing.
Does the MC74VHC1G02DTT1 support 5 V tolerant inputs when powered from 3.3 V?
Yes, the MC74VHC1G02DTT1 supports 5.5 V over-voltage tolerant inputs regardless of VCC value. When powered from 3.3 V, inputs A and B safely accept 0–5.5 V signals without damage or latch-up, enabling direct connection to 5 V microcontrollers, sensors, or legacy peripherals without external level-shifting circuitry.
What is the maximum output drive capability of the MC74VHC1G02DTT1 at 3.0 V?
At VCC = 3.0 V, the MC74VHC1G02DTT1 can source up to 8 mA while maintaining VOH ≥ 2.48 V, and sink up to 8 mA while maintaining VOL ≤ 0.44 V, per the DC Electrical Characteristics table. This drive strength supports fan-out to ≥10 74VHC inputs or direct driving of small capacitive loads up to 30 pF.
Is the MC74VHC1G02DTT1 suitable for automotive applications?
Yes, the MC74VHC1G02DTT1 is AEC-Q100 qualified (Grade 1, −40 °C to +125 °C) and PPAP capable. It meets automotive requirements for thermal stability, ESD robustness (2000 V HBM), and latch-up immunity (±100 mA), making it suitable for use in door modules, body control units, and non-safety-critical infotainment subsystems.
What package type is used for the MC74VHC1G02DTT1?
The MC74VHC1G02DTT1 uses the SC-88A (also known as SOT-353 or SC-70-5) package: a 5-pin, 2.0 mm × 1.25 mm surface-mount outline with 0.65 mm lead pitch. Pin 1 is identified by a beveled corner or dot marking, and the package is Pb-free, halogen-free, and RoHS compliant per onsemi documentation.
MC74VHC1G02DTT1 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:
- 2V ~ 5.5V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.5V ~ 1.65V
- Input Logic Level - High:
- 1.5V ~ 3.85V
- Max Propagation Delay @ V, Max CL:
- 7.5ns @ 5V, 50pF
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSOP
MC74VHC1G02DTT1 FAQ
1.How can I place an order for MC74VHC1G02DTT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74VHC1G02DTT1 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 MC74VHC1G02DTT1 reliable?
The price and inventory of MC74VHC1G02DTT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74VHC1G02DTT1 is usually 5 days.
3.What payment methods are accepted for MC74VHC1G02DTT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74VHC1G02DTT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74VHC1G02DTT1?
MC74VHC1G02DTT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74VHC1G02DTT1 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 MC74VHC1G02DTT1?
For technical support, including MC74VHC1G02DTT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74VHC1G02DTT1 requirements.
6.How does Aetrix verify that MC74VHC1G02DTT1 is sourced from the original manufacturer or authorized distributors?
All MC74VHC1G02DTT1 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 MC74VHC1G02DTT1 meets industry standards.
7.What is the process for return or replacement of MC74VHC1G02DTT1?
All MC74VHC1G02DTT1 units undergo pre-shipment inspection (PSI). If there is an issue with MC74VHC1G02DTT1, 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 MC74VHC1G02DTT1 part is unused and in its original packaging.
Return procedure for MC74VHC1G02DTT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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