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Diodes Incorporated 74AHC1G02W5-7
- Part No.:
- 74AHC1G02W5-7
- Manufacturer:
- Diodes Incorporated
- Category:
- Gates and Inverters
- Package:
- SC-74A, SOT-753
- Datasheet:
-
74AHC1G02W5-7.pdf
- Description:
- IC GATE NOR 1CH 2-INP SOT25
- Quantity:
- Payment:
- Shipping:
Inventory:3,101
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Product details
Overview
74AHC1G02W5-7 from Diodes Incorporated is a single 2-input positive NOR gate in SOT25 package, operating from 2.0V to 5.5V supply, delivering ±8 mA output drive at 5.0 V, with propagation delay as low as 3.2 ns (typ.) at 5V/15pF, and Schmitt-trigger inputs for noise-immune signal conditioning in digital logic interfacing.
For engineers reviewing the 74AHC1G02W5-7 datasheet, 74AHC1G02W5-7 pinout, 74AHC1G02W5-7 application, or 74AHC1G02W5-7 equivalent, this device serves as a compact, low-power, rail-to-rail compatible logic gate for level translation, signal inversion, and enable/disable control in space-constrained embedded systems.
Technical Context
The 74AHC1G02W5-7 implements the Boolean function Y = A + B (positive NOR), with push-pull CMOS output stage and Schmitt-trigger input thresholds that tolerate slow-rising/falling edges. It supports dual-voltage domain interfacing across 2.0–5.5 V operation.
Its input clamp current rating (±20 mA), latch-up immunity (>100 mA per JESD78 Class II), and ESD robustness (2 kV HBM, 1 kV CDM) ensure reliability in noisy industrial and consumer environments where transient immunity and I/O integrity are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Positive NOR (Y = A + B): active-low output when either input is high; used for reset arbitration or disable logic. |
| Supply Voltage Range | 2.0 V to 5.5 V: enables interoperability with 3.3 V and 5 V logic families without level shifters. |
| Propagation Delay | 3.2 ns (typ.) at VCC = 5 V, CL = 15 pF: supports >100 MHz toggle rates in short-path combinational logic. |
| Output Drive | ±8 mA at VCC = 5 V: sufficient to drive multiple 74AHC inputs or small capacitive loads (<30 pF). |
| Input Thresholds | Schmitt-trigger hysteresis: VIH ≈ 3.85 V / VIL ≈ 1.65 V at VCC = 5.5 V - rejects noise up to ~400 mV on slow edges. |
| Power Dissipation | 13 pF typical Cpd at 1 MHz: draws <1 µA ICC (quiescent) at 5.5 V - suitable for battery-backed logic states. |
Pinout & Package
SOT25 (5-pin SC-74A) surface-mount package: 2.8 mm × 2.9 mm footprint, 1.1 mm height, lead-free and RoHS-compliant, optimized for automated placement and reflow.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A | Data Input | First NOR operand; accepts 0–VCC logic levels with Schmitt-trigger hysteresis for noise margin. |
| B | Data Input | Second NOR operand; electrically identical to Pin 1, enabling symmetric logic tree construction. |
| GND | Ground Reference | Return path for all internal currents; must be low-impedance to maintain noise immunity and timing accuracy. |
| Y | Data Output | Push-pull CMOS output driving high/low to rail; fan-out ≥10 to same-family gates at 5 V. |
| VCC | Supply Voltage | Primary power rail (2.0–5.5 V); decoupling capacitor (100 nF) required within 5 mm for stable switching. |
Key Features
| Feature | Design Value |
|---|---|
| Schmitt-trigger inputs | Enables reliable operation with slow or noisy signals (e.g., mechanical switch debouncing, sensor outputs). |
| Wide VCC range (2.0–5.5 V) | Eliminates need for external voltage translators between 3.3 V microcontrollers and 5 V peripherals. |
| ±8 mA output drive @ 5 V | Directly drives LEDs (with series resistor), small MOSFET gates, or multiple downstream logic inputs. |
| ESD protection (2 kV HBM) | Reduces risk of field failure during handling or in-system hot-plug scenarios without added TVS diodes. |
| Low ICC (1 µA typ.) | Supports always-on logic monitoring in ultra-low-power wake-up circuits without significant battery drain. |
Applications
| Industrial Control Interface | USB Device Power Management |
|---|---|
|
Use Scenario: Isolating fault signals from multiple sensors before feeding into a microcontroller interrupt line. IC Role / Device Role / Timing Role: NOR gate combines independent overtemperature and overcurrent alerts into a single active-low shutdown signal. Use Value: Eliminates need for discrete diode-OR wiring; Schmitt inputs prevent chatter from noisy analog sensor outputs. |
Use Scenario: Enabling/disabling VBUS power to USB peripheral ports based on host enumeration status and port activity. IC Role / Device Role / Timing Role: Logic-level combiner generating controlled power-enable pulse using USB suspend and port-select signals. Use Value: Ensures clean, glitch-free power sequencing with sub-10 ns propagation delay and rail-compatible voltage margins. |
| Portable Audio Signal Routing | Automotive Body Controller Logic |
|
Use Scenario: Selecting between internal DAC output and external line-in source in Bluetooth speaker firmware-controlled audio path. IC Role / Device Role / Timing Role: NOR-based enable gate controlling analog switch bias, synchronized to mute/unmute transitions. Use Value: Prevents pop/click artifacts via precise timing alignment and eliminates cross-conduction risk in analog switches. |
Use Scenario: Combining door-open, key-fob presence, and ignition status to activate interior lighting only when conditions align. IC Role / Device Role / Timing Role: Safety-critical logic arbiter ensuring lights activate only when vehicle is unlocked and doors are open. Use Value: Meets automotive EMC requirements via Schmitt inputs and latch-up immunity (>100 mA) under load dump transients. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NOR gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G02DBVR | Lower VCC range (1.65–5.5 V); 32 mA drive at 3.3 V; no Schmitt inputs. | Preferred for high-speed 3.3 V-only systems needing stronger drive; unsuitable for slow/noisy inputs. | Select when interfacing with fast FPGA I/O banks but add external RC filtering if input edges exceed 100 ns/V. |
| 74AUP1G02GW,125 | Ultra-low power (0.9 µA ICC); VCC = 0.8–3.6 V; 4 mA drive at 3.3 V; Schmitt inputs retained. | Optimized for coin-cell-powered IoT sensors; incompatible with 5 V domains. | Choose for battery life-critical designs below 3.6 V; avoid where 5 V compatibility or higher drive is needed. |
Compared with SN74LVC1G02DBVR and 74AUP1G02GW,125, the 74AHC1G02W5-7 uniquely balances 5 V tolerance, Schmitt noise immunity, and moderate drive strength - making it optimal for mixed-voltage industrial and consumer interfaces where robustness and voltage flexibility outweigh ultra-low-power or maximum speed needs.
Availability
74AHC1G02W5-7 is available at Aetrix Electronics and suitable for industrial control interface, USB device power management, portable audio signal routing, and automotive body controller logic requiring stable component supply and long-term manufacturability.
Supply support for 74AHC1G02W5-7 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and integrated circuits, specializing in high-reliability, application-optimized components for power management, signal integrity, and protection.
The 74AHC1G02W5-7 belongs to Diodes' AHC logic family - engineered for low-power, high-noise-immunity general-purpose logic in space-constrained consumer, computing, and industrial applications.
FAQ
Can 74AHC1G02W5-7 operate reliably at 2.0 V supply?
Yes. The device is fully specified down to 2.0 V: VOH ≥ 1.9 V and VOL ≤ 0.1 V at IOH/IOL = ±50 µA, with tPD ≤ 7.9 ns (max) at CL = 15 pF. This ensures functional compatibility with 2.0 V microcontrollers and battery-powered systems operating near end-of-life voltage.
Is unused input termination required?
Yes. Per datasheet Note 3, unused inputs must be tied to VCC or GND to prevent floating nodes that cause increased ICC, oscillation, or excessive power dissipation. Leaving an input unconnected risks undefined output states and thermal stress due to partial conduction in the input stage.
What is the thermal resistance of the SOT25 package?
The SOT25 package has θJA = 195 °C/W (JEDEC-standard FR-4 board, 2 oz copper, minimum pad layout). At 8 mA output current and 5 V supply, junction temperature rise remains under 15 °C above ambient - well within the -40 °C to +125 °C operating range.
Does 74AHC1G02W5-7 support hot-swap insertion?
No. While ESD-rated (2 kV HBM), the device lacks bus-hold or Ioff protection. Inserting while powered may cause back-driving of VCC or GND through inputs/outputs, risking latch-up or damage. Always power-cycle the system before replacing.
74AHC1G02W5-7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- 74AHC
- Package/Case:
- SC-74A, SOT-753
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-25
74AHC1G02W5-7 FAQ
1.How can I place an order for 74AHC1G02W5-7 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHC1G02W5-7 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 74AHC1G02W5-7 reliable?
The price and inventory of 74AHC1G02W5-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHC1G02W5-7 is usually 5 days.
3.What payment methods are accepted for 74AHC1G02W5-7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHC1G02W5-7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHC1G02W5-7?
74AHC1G02W5-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHC1G02W5-7 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 74AHC1G02W5-7?
For technical support, including 74AHC1G02W5-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHC1G02W5-7 requirements.
6.How does Aetrix verify that 74AHC1G02W5-7 is sourced from the original manufacturer or authorized distributors?
All 74AHC1G02W5-7 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 74AHC1G02W5-7 meets industry standards.
7.What is the process for return or replacement of 74AHC1G02W5-7?
All 74AHC1G02W5-7 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHC1G02W5-7, 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 74AHC1G02W5-7 part is unused and in its original packaging.
Return procedure for 74AHC1G02W5-7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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