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NXP Semiconductors 74HCT03D,652
- Part No.:
- 74HCT03D,652
- Manufacturer:
- NXP Semiconductors
- Category:
- Gates and Inverters
- Package:
- -
- Datasheet:
-
74HCT03D,652.pdf
- Description:
- IC GATE NAND
- Quantity:
- Payment:
- Shipping:
Inventory:33,482
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Product details
Overview
74HCT03D,652 from Nexperia is a quad 2-input NAND gate IC with open-drain outputs, designed for wired-AND logic, level translation, and bus interface applications in industrial control and digital signal conditioning systems. It operates from 4.5 V to 5.5 V, delivers TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max), and supports ambient temperatures up to +125 °C in SO14 package.
For engineers reviewing the 74HCT03D,652 datasheet, 74HCT03D,652 pinout, 74HCT03D,652 application, or 74HCT03D,652 equivalent, this device is selected for robust open-drain interfacing where pull-up flexibility, noise immunity, and guaranteed TTL-level compatibility are required - especially in mixed-voltage I²C-like buses, interrupt line aggregation, and programmable logic glue.
Technical Context
The 74HCT03D,652 implements four independent NAND gates, each with open-drain output enabling external pull-up configuration for voltage-level adaptation. Its inputs feature clamp diodes allowing safe interfacing to voltages exceeding VCC when used with current-limiting resistors.
It adheres to JEDEC JESD7A (2.0–6.0 V) and JESD8C (2.7–3.6 V) standards, with static input thresholds fixed at VIH ≥ 2.0 V and VIL ≤ 0.8 V under VCC = 4.5–5.5 V, ensuring reliable TTL-level recognition across temperature ranges from –40 °C to +125 °C.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input NAND with open-drain outputs - enables wired-AND, level shifting, and bus arbitration via external pull-up. |
| Supply Voltage (VCC) | 4.5 V to 5.5 V - ensures compatibility with standard 5 V TTL systems and stable operation across industrial temperature range. |
| Input Thresholds | VIH ≥ 2.0 V, VIL ≤ 0.8 V - guarantees unambiguous TTL-level recognition without external level shifters. |
| Propagation Delay (tpd) | 12 ns (typ), 36 ns (max) at VCC = 4.5 V, CL = 50 pF - supports >10 MHz toggle rates in buffered logic paths. |
| Output Drive (IO) | –25 mA sink capability - sufficient to drive LEDs, MOSFET gates, or multiple CMOS inputs with appropriate pull-up. |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood, motor control, and industrial PLC environments. |
| ESD Protection | HBM > 2000 V, CDM > 1000 V - enhances reliability during board handling and system integration. |
Pinout & Package
74HCT03D,652 is housed in a plastic small outline package (SO14), SOT108-1, with 14 leads and 3.9 mm body width. Pin 1 is marked by a notch or dot; the package is RoHS-compliant and rated for reflow soldering per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A | Data input A | Four independent first inputs for NAND gates 1–4; accept TTL-level signals up to VCC + 0.5 V with clamping diodes. |
| 1B, 2B, 3B, 4B | Data input B | Four independent second inputs; electrically identical to A inputs and share same VIH/VIL specs. |
| 1Y, 2Y, 3Y, 4Y | Open-drain output | Four active-low outputs requiring external pull-up; sink up to 25 mA, float high-impedance when inactive. |
| GND (Pin 7) | Ground reference | 0 V return path for all internal circuitry and output sinks; must be low-impedance for noise immunity. |
| VCC (Pin 14) | Positive supply | Primary power rail (4.5–5.5 V); decoupling capacitor (100 nF) recommended adjacent to pin. |
Key Features
| Feature | Design Value |
|---|---|
| Open-drain outputs | Enable flexible voltage translation and wired-AND logic without additional discrete components. |
| TTL-compatible inputs | Eliminates need for level-shifting circuitry when interfacing with legacy 5 V microcontrollers or FPGAs. |
| Wide temperature range | –40 °C to +125 °C operation supports deployment in harsh industrial and automotive-adjacent environments. |
| Clamp diode protection | Allows safe connection of inputs to voltages above VCC using series current-limiting resistors. |
| Low ICC quiescent current | Max 40 μA at VCC = 5.5 V ensures minimal standby power in battery-backed or energy-sensitive systems. |
Applications
| Industrial Bus Arbitration | I²C-Compatible Interface |
|---|---|
|
Use Scenario: Multiple sensors share a common interrupt line connected to a microcontroller GPIO. IC Role / Device Role / Timing Role: Wired-AND aggregator - each sensor drives its NAND input; any active low triggers open-drain output to pull shared line low. Use Value: Reduces GPIO count and eliminates need for external OR-gate or diode-resistor network. |
Use Scenario: Interfacing 3.3 V MCU with 5 V peripheral using I²C protocol. IC Role / Device Role / Timing Role: Level-translating buffer - 3.3 V SDA/SCL drive NAND inputs; open-drain outputs pulled to 5 V. Use Value: Achieves bidirectional level shift without direction control pins or dedicated translator ICs. |
| Programmable Logic Glue | LED/Relay Driver Interface |
|
Use Scenario: Combining enable signals from FPGA outputs to generate a composite reset or clock-enable signal. IC Role / Device Role / Timing Role: Combinational logic element - NAND function implements inverted AND logic with precise propagation delay (≤36 ns). Use Value: Provides deterministic timing and eliminates routing congestion in dense PCB layouts. |
Use Scenario: Driving indicator LEDs or low-side relay coils from a 5 V logic rail. IC Role / Device Role / Timing Role: Current-sinking switch - outputs directly sink up to 25 mA per channel with no external transistor. Use Value: Reduces bill-of-materials by replacing discrete NPN/MOSFET drivers in non-critical timing applications. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad NAND gate with open-drain applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT03PW,118 | TSSOP14 package (SOT402-1), 4.4 mm body width, lower thermal resistance (7.3 mW/K derating above 81 °C). | Better suited for space-constrained PCBs and higher-density layouts; slightly faster transition time (tt = 7 ns typ). | Select when board area is limited or thermal performance under sustained load is critical. |
| SN74HCT03DR | Texas Instruments part in SOIC-14; identical logic and DC specs but different AC characteristics (tpd = 15 ns typ at 5 V). | Valid for drop-in replacement in TI-centric designs; requires verification of layout clearance for TI's SOIC footprint. | Choose only if sourcing from TI distribution channels or maintaining TI-design heritage. |
Compared with 74HCT03D,652, the TSSOP variant offers superior density and thermal response, while the TI alternative provides supply-chain redundancy but introduces minor timing variation and footprint mismatch risk.
Availability
74HCT03D,652 is available at Aetrix Electronics and suitable for industrial automation, embedded sensor hubs, and programmable logic interface applications requiring stable component supply, long-term lifecycle support, and extended temperature qualification.
Supply support for 74HCT03D,652 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 delivering high-performance logic, analog, and discrete components with focus on efficiency, reliability, and scalability.
The 74HCT03D,652 belongs to Nexperia's 74HCT logic family, engineered for seamless integration into mixed-signal systems where TTL-level compatibility, open-drain flexibility, and industrial-grade environmental resilience are essential.
FAQ
Can 74HCT03D,652 be used with a 3.3 V supply?
No - the 74HCT03D,652 is specified only for VCC = 4.5 V to 5.5 V. Its TTL-compatible input thresholds (VIH ≥ 2.0 V) are guaranteed within this range; operation below 4.5 V violates recommended conditions and may cause unreliable switching or increased propagation delay. For 3.3 V systems, use the 74HC03D variant instead.
What pull-up resistor value should be used with the open-drain outputs?
A 4.7 kΩ resistor to 5 V is typical for general-purpose use, providing ~1 mA sink current and fast rise time (~10 ns with 10 pF load). For higher-speed or higher-current loads, values down to 1 kΩ may be used - verify that maximum output sink current (25 mA) and power dissipation in the resistor remain within limits.
Does 74HCT03D,652 require external decoupling capacitors?
Yes - a 100 nF ceramic capacitor placed between VCC (Pin 14) and GND (Pin 7), as close as possible to the package, is mandatory. This suppresses high-frequency supply noise induced by simultaneous output switching and prevents logic glitches or metastability in downstream circuits.
Is the 74HCT03D,652 automotive-qualified?
No - this device is not AEC-Q100 qualified. While it operates from –40 °C to +125 °C, Nexperia explicitly states in its legal disclaimers that non-automotive-qualified products are unsuitable for safety-critical or life-support systems. Use only in industrial, commercial, or consumer applications unless separately validated and approved by the end-customer.
74HCT03D,652 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- -
- Number of Circuits:
- -
- Number of Inputs:
- -
- Features:
- -
- Voltage - Supply:
- -
- Current - Quiescent (Max):
- -
- Current - Output High, Low:
- -
- Input Logic Level - Low:
- -
- Input Logic Level - High:
- -
- Max Propagation Delay @ V, Max CL:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
74HCT03D,652 FAQ
1.How can I place an order for 74HCT03D,652 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HCT03D,652 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 74HCT03D,652 reliable?
The price and inventory of 74HCT03D,652 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HCT03D,652 is usually 5 days.
3.What payment methods are accepted for 74HCT03D,652?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HCT03D,652 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HCT03D,652?
74HCT03D,652 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HCT03D,652 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 74HCT03D,652?
For technical support, including 74HCT03D,652 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HCT03D,652 requirements.
6.How does Aetrix verify that 74HCT03D,652 is sourced from the original manufacturer or authorized distributors?
All 74HCT03D,652 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 74HCT03D,652 meets industry standards.
7.What is the process for return or replacement of 74HCT03D,652?
All 74HCT03D,652 units undergo pre-shipment inspection (PSI). If there is an issue with 74HCT03D,652, 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 74HCT03D,652 part is unused and in its original packaging.
Return procedure for 74HCT03D,652:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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