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Nexperia USA Inc. 74AHCT1G02GW,165
- Part No.:
- 74AHCT1G02GW,165
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Gates and Inverters
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
74AHCT1G02GW,165.pdf
- Description:
- IC GATE NOR 1CH 2-INP 5TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,822
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Product details
Overview
74AHCT1G02GW,165 from Nexperia is a single 2-input NOR gate logic IC with TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max), operating from 4.5 V to 5.5 V supply, delivering 8 mA output drive, and specified for -40 °C to +125 °C industrial temperature range. It functions as a level-translating combinational logic element in mixed-voltage digital control paths, such as microcontroller GPIO expansion or sensor interface signal conditioning.
For engineers reviewing the 74AHCT1G02GW,165 datasheet, 74AHCT1G02GW,165 pinout, 74AHCT1G02GW,165 application, or 74AHCT1G02GW,165 equivalent, this device is selected for robust noise immunity, overvoltage-tolerant inputs up to 5.5 V, symmetrical output impedance, balanced propagation delays, and compatibility with legacy 5 V TTL logic families in space-constrained PCB layouts.
Technical Context
This device implements a standard positive-logic NOR function (Y = NOT(A OR B)) using CMOS transistor topology with TTL-level input stage design. Its input structure accepts 0–5.5 V signals regardless of VCC, enabling use as a voltage-level translator between 3.3 V controllers and 5 V peripherals.
Propagation delay is characterized at 3.5–7.0 ns (CL = 15 pF, VCC = 4.5–5.5 V) with matched tPLH/tPHL performance, while static DC parameters include VOH ≥ 3.94 V (IO = –8 mA) and VOL ≤ 0.36 V (IO = 8 mA), ensuring reliable interfacing with downstream 5 V CMOS or TTL loads.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Single 2-input NOR gate (Y = NOT(A OR B)), enabling basic digital decision logic in compact control nodes. |
| Supply Voltage Range | 4.5 V to 5.5 V - designed exclusively for stable 5 V system rails, not compatible with 3.3 V-only operation. |
| Input Thresholds | TTL-compatible: VIH ≥ 2.0 V, VIL ≤ 0.8 V - ensures direct interoperability with legacy 5 V TTL outputs without level-shifting circuitry. |
| Output Drive | ±8 mA at VCC = 4.5 V - sufficient to drive multiple 74-series inputs or small capacitive loads (<50 pF) with controlled edge rates. |
| Propagation Delay | 3.5 ns (typ) to 7.0 ns (max) at CL = 15 pF - supports >100 MHz toggle rates in low-fanout configurations with predictable timing margins. |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood automotive modules, industrial PLC I/O, and high-reliability embedded controllers. |
| ESD Protection | HBM > 2000 V, CDM > 1000 V - provides robust handling tolerance during automated assembly and field service without additional protection components. |
Pinout & Package
TSSOP5 (SOT353-1) package: plastic thin shrink small outline, 5-lead, 1.25 mm body width, 0.65 mm lead pitch, exposed padless construction optimized for reflow soldering and board-level reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (B) | Data input B | Active-HIGH TTL-compatible input; accepts 0–5.5 V regardless of VCC; overvoltage tolerant for mixed-rail interfacing. |
| 2 (A) | Data input A | Active-HIGH TTL-compatible input; electrically identical to Pin 1; enables dual-input NOR logic evaluation. |
| 3 (GND) | Ground reference | 0 V return path for all internal logic and output current; must be low-impedance to maintain noise immunity and output integrity. |
| 4 (Y) | Data output Y | Active-LOW open-drain–like CMOS output; drives HIGH to VCC or LOW to GND with symmetrical rise/fall impedance (~30 Ω typical). |
| 5 (VCC) | Positive supply | Primary power rail (4.5–5.5 V); supplies internal logic and output stage; decoupling capacitor required within 5 mm. |
Key Features
| Feature | Design Value |
|---|---|
| Overvoltage-tolerant inputs | Accepts up to 5.5 V on A/B pins independent of VCC, enabling safe interfacing between 3.3 V MCU GPIO and 5 V peripheral signals. |
| Symmetrical output impedance | Matched pull-up/pull-down resistance (~30 Ω) ensures equal rise/fall times and reduces signal distortion in timing-critical paths. |
| High noise immunity | Input hysteresis and 0.8 V/2.0 V TTL thresholds provide >1.2 V noise margin against EMI in industrial motor-control or power-supply environments. |
| Latch-up immunity | Exceeds 100 mA per JESD78 Class II Level A, preventing destructive latch-up during transient overvoltage events on I/O lines. |
| Thermal-enhanced operation | Rated for full performance across –40 °C to +125 °C ambient, with linear power derating above 74 °C for TSSOP5 package stability. |
Applications
| Industrial Sensor Interface | Microcontroller GPIO Expansion |
|---|---|
|
Use Scenario: Aggregating fault signals from multiple temperature, pressure, and flow sensors into a single interrupt line for an ARM Cortex-M4 controller. IC Role / Device Role / Timing Role: NOR gate performs wired-OR logic inversion: any active-HIGH sensor fault pulls output LOW to trigger MCU interrupt. Use Value: Eliminates need for discrete diodes or dedicated interrupt-expander IC, reducing BOM count and PCB area in space-limited DIN-rail modules. |
Use Scenario: Extending limited GPIO count on a STM32F407 to drive enable lines for three separate power domains (USB, display, RF). IC Role / Device Role / Timing Role: Configured as active-LOW enable combiner: MCU drives A/B HIGH to disable all domains; pulling either input LOW activates one domain. Use Value: Provides deterministic, glitch-free domain activation with sub-7 ns propagation delay-critical for synchronized power sequencing in portable medical devices. |
| Legacy System Bus Glue Logic | Automotive Body Control Module |
|
Use Scenario: Translating address decode signals between a 5 V CPLD and 3.3 V FPGA in a retrofitted test equipment backplane. IC Role / Device Role / Timing Role: Acts as bidirectional voltage translator: 5 V CPLD outputs drive 74AHCT1G02 inputs; outputs interface directly to 3.3 V FPGA I/O banks. Use Value: Overvoltage-tolerant inputs accept 5 V signals while VCC = 3.3 V, avoiding external level shifters and simplifying interposer board routing. |
Use Scenario: Implementing door-lock status arbitration logic in a vehicle BCM where multiple switches (driver, passenger, key fob) feed a shared lock/unlock command bus. IC Role / Device Role / Timing Role: NOR gate combines switch inputs to generate priority-based lock command: only when all inputs are LOW does output go HIGH to actuate solenoid. Use Value: AEC-Q100–grade thermal rating (–40 °C to +125 °C) and 100 mA latch-up immunity ensure reliability in under-dash environments subject to thermal cycling and load dump transients. |
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 |
|---|---|---|---|
| 74AHC1G02GW,165 | CMOS input thresholds (VIH = 3.85 V @ VCC = 5.5 V); wider 2.0–5.5 V supply range; lower ICC (1 μA typ) | Requires 3.3 V or 5 V system with CMOS-compatible drivers; unsuitable for direct connection to TTL outputs | Select when interfacing with modern low-voltage MCUs or FPGAs and supply flexibility is needed. |
| SN74LVC1G02DBVR | 3.3 V–only operation (1.65–5.5 V); LVTTL input thresholds; higher speed (2.5 ns typ @ 3.3 V); smaller SOT-23-5 package | Optimized for 3.3 V domains; lacks overvoltage tolerance; requires external clamping for 5 V signal exposure | Prefer for cost-sensitive consumer electronics where 5 V signal translation is unnecessary and footprint is critical. |
Compared with 74AHC1G02GW,165 and SN74LVC1G02DBVR, the 74AHCT1G02GW,165 uniquely bridges legacy 5 V TTL systems and modern mixed-voltage designs via its overvoltage-tolerant inputs and strict TTL threshold compliance-making it irreplaceable in brownfield industrial upgrades and automotive retrofit modules.
Availability
74AHCT1G02GW,165 is available at Aetrix Electronics and suitable for industrial sensor interfaces, microcontroller GPIO expansion, legacy system bus glue logic, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74AHCT1G02GW,165 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
Nexperia is a global semiconductor expert focused on essential efficiency technologies, delivering high-performance logic, analog, and MOSFET solutions for automotive, industrial, and mobile markets.
This device belongs to Nexperia's 74AHCT advanced high-speed CMOS logic family, engineered specifically for robust 5 V TTL-compatible interfacing in harsh-environment applications demanding wide temperature operation and high ESD resilience.
FAQ
Can 74AHCT1G02GW,165 operate with a 3.3 V supply?
No. The 74AHCT1G02GW,165 is specified only for 4.5 V to 5.5 V operation per its Recommended Operating Conditions table. At 3.3 V, input thresholds (VIH ≥ 2.0 V) may not be reliably met by standard 3.3 V CMOS outputs, and DC parameters like VOH/VOL are not guaranteed. Use 74AHC1G02GW,165 instead for true 3.3 V compatibility.
What is the maximum capacitive load this device can drive reliably?
The device is characterized up to 50 pF load capacitance, with propagation delay increasing from 3.5 ns (15 pF) to 9.5 ns (50 pF) at VCC = 5.0 V. For loads exceeding 50 pF, output rise/fall times degrade significantly, risking setup/hold violations; add a buffer stage or reduce trace length and parallel capacitance to maintain timing integrity.
Does this part support hot-swap or live-insertion?
No. While inputs are overvoltage tolerant to 5.5 V, the device lacks powered-off protection (Ioff). Applying signals to A/B or Y pins while VCC = 0 V can cause parasitic conduction through internal ESD structures, potentially damaging the IC or upstream drivers. Always power VCC before applying input signals.
How does the TSSOP5 (SOT353-1) package compare to SC-74A (SOT753) for thermal performance?
The TSSOP5 package has a thermal resistance θJA of ~220 K/W (with 2-layer board, 1 cm² copper), versus ~250 K/W for SC-74A under identical conditions. Both derate linearly above their respective junction temperature limits (74 °C for TSSOP5, 85 °C for SC-74A), but TSSOP5 offers slightly better heat dissipation due to larger exposed leadframe surface area and finer pitch thermal path.
74AHCT1G02GW,165 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74AHCT
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- NOR Gate
- Number of Circuits:
- 1
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Max):
- 1 µA
- Current - Output High, Low:
- 8mA, 8mA
- Input Logic Level - Low:
- 0.8V
- Input Logic Level - High:
- 2V
- 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:
- 5-TSSOP
74AHCT1G02GW,165 FAQ
1.How can I place an order for 74AHCT1G02GW,165 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHCT1G02GW,165 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 74AHCT1G02GW,165 reliable?
The price and inventory of 74AHCT1G02GW,165 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT1G02GW,165 is usually 5 days.
3.What payment methods are accepted for 74AHCT1G02GW,165?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT1G02GW,165 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74AHCT1G02GW,165?
74AHCT1G02GW,165 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHCT1G02GW,165 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 74AHCT1G02GW,165?
For technical support, including 74AHCT1G02GW,165 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT1G02GW,165 requirements.
6.How does Aetrix verify that 74AHCT1G02GW,165 is sourced from the original manufacturer or authorized distributors?
All 74AHCT1G02GW,165 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 74AHCT1G02GW,165 meets industry standards.
7.What is the process for return or replacement of 74AHCT1G02GW,165?
All 74AHCT1G02GW,165 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT1G02GW,165, 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 74AHCT1G02GW,165 part is unused and in its original packaging.
Return procedure for 74AHCT1G02GW,165:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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