NXP Semiconductors 74AHCT00D,112
- Part No.:
- 74AHCT00D,112
- Manufacturer:
- NXP Semiconductors
- Category:
- Gates and Inverters
- Package:
- -
- Datasheet:
-
74AHCT00D,112.pdf
- Description:
- IC GATE NAND 4CH 2-INP 14-SO
- Quantity:
- Payment:

- Shipping:

Inventory:33,487
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Product details
Overview
74AHCT00D,112 from Nexperia is a quad 2-input NAND gate IC with TTL-compatible input thresholds, operating from 4.5 V to 5.5 V supply, featuring overvoltage-tolerant inputs up to 5.5 V, balanced propagation delays (≤9.0 ns at VCC = 5 V, CL = 50 pF), and guaranteed operation from –40 °C to +125 °C in SO14 package. It serves as a level-translating logic buffer in mixed-voltage digital control subsystems such as industrial PLC I/O modules.
For engineers reviewing the 74AHCT00D,112 datasheet, 74AHCT00D,112 pinout, 74AHCT00D,112 application, or 74AHCT00D,112 equivalent, this page delivers verified pin functions, real-world timing behavior under load, thermal derating data for SO14, TTL-level interface compatibility, and validated alternatives for voltage translation and noise-immune logic gating.
Technical Context
The 74AHCT00D,112 implements four independent NAND gates with Schmitt-trigger inputs for enhanced noise immunity and TTL-level recognition (VIH = 2.0 V min, VIL = 0.8 V max at VCC = 4.5–5.5 V). Its overvoltage-tolerant inputs accept up to 5.5 V regardless of VCC, enabling safe interfacing between 3.3 V controllers and 5 V legacy peripherals.
Propagation delay is tightly controlled (tpd ≤ 9.0 ns at VCC = 5 V, CL = 50 pF) with matched tPLH/tPHL performance, and static power consumption remains ultra-low (ICC ≤ 40 μA at VCC = 5.5 V, –40 °C to +125 °C), supporting energy-constrained embedded control nodes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Quad 2-input NAND gate - provides four independent Boolean NOT-AND operations per package |
| Supply Voltage Range | 4.5 V to 5.5 V - supports strict 5 V TTL-compliant operation without margin violation |
| Input Thresholds | VIH = 2.0 V min, VIL = 0.8 V max - ensures reliable recognition of standard TTL output levels |
| Propagation Delay | ≤9.0 ns at VCC = 5 V, CL = 50 pF - enables use in sub-100 MHz synchronous control paths |
| Operating Temperature | –40 °C to +125 °C - qualified for under-hood automotive ECUs and industrial motor drives |
| Input Overvoltage Tolerance | Up to 5.5 V - allows direct connection to 5 V buses even when powered from lower VCC (e.g., 3.3 V) |
| ESD Protection | HBM >2000 V, CDM >1000 V - meets IEC 61000-4-2 Level 2 system-level robustness requirements |
Pinout & Package
74AHCT00D,112 is housed in a plastic small outline package (SO14, SOT108-1) with 14 leads, 3.9 mm body width, and standard 1.27 mm lead pitch. Pin 1 is marked by a notch or index area on the package top edge.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A, 2A, 3A, 4A | Data Input A | First input of each NAND gate; accepts TTL/CMOS logic levels with overvoltage tolerance |
| 1B, 2B, 3B, 4B | Data Input B | Second input of each NAND gate; electrically identical to corresponding A input |
| 1Y, 2Y, 3Y, 4Y | Data Output | Active-low NAND output; drives standard TTL loads (IO = ±8 mA) with rail-to-rail swing |
| GND (Pin 7) | Ground Reference | 0 V return path for all internal circuitry and I/O; must be low-impedance for noise immunity |
| VCC (Pin 14) | Supply Voltage | Primary power rail (4.5–5.5 V); decoupling capacitor required within 10 mm of this pin |
Key Features
| Feature | Design Value |
|---|---|
| TTL-compatible input levels | Enables plug-in replacement of legacy 74LS00 in 5 V systems without redesigning drive strength or threshold margins |
| Overvoltage-tolerant inputs | Permits safe interfacing with 5 V signals while operating from 3.3 V VCC - eliminates need for external level shifters |
| Schmitt-trigger inputs | Provides hysteresis (typically 0.3–0.5 V) to suppress noise-induced glitches on slow-rising control lines |
| Balanced propagation delays | Ensures matched tPLH/tPHL (≤9.0 ns) across all four gates - critical for synchronous enable/disable sequencing |
| Extended temperature range | Rated from –40 °C to +125 °C - suitable for engine control units, power inverters, and industrial automation hardware |
Applications
| Industrial PLC I/O Expansion | Automotive Body Control Module |
|---|---|
Use Scenario: Adding discrete logic-based signal conditioning to 5 V sensor inputs before feeding into a 3.3 V microcontroller ADC trigger chain. IC Role / Device Role / Timing Role: NAND gate used as active-low enable latch and noise-filtering combiner for multiple door switch signals. Use Value: Overvoltage-tolerant inputs accept raw 5 V switch bounce without clamping diodes; Schmitt action rejects EMI-induced transients on long harness runs. |
Use Scenario: Implementing fail-safe interlock logic between brake pedal position, gear selector, and starter relay activation. IC Role / Device Role / Timing Role: Quad NAND configured as RS latches and AND-OR combinational logic for redundant safety validation. Use Value: Guaranteed operation at +125 °C enables placement near powertrain electronics; TTL thresholds match legacy CAN transceiver control outputs. |
| Medical Infusion Pump Controller | Test Equipment Signal Routing |
Use Scenario: Generating synchronized enable pulses for stepper motor drivers and solenoid valves based on microcontroller GPIO states. IC Role / Device Role / Timing Role: NAND gate used as inverted clock divider and gated oscillator for precise fluid dosing intervals. Use Value: Sub-10 ns propagation delay ensures deterministic timing alignment across multiple actuator channels; low ICC minimizes battery drain in portable units. |
Use Scenario: Building reconfigurable signal routing matrices in automated test equipment where 5 V logic must interface with mixed-voltage DUTs. IC Role / Device Role / Timing Role: NAND gate employed as bidirectional bus arbitrator and handshake synchronizer between FPGA and legacy instrument interfaces. Use Value: Input overvoltage tolerance allows direct connection to 5 V GPIB or RS-232 level-shifted signals without external protection components. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad NAND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74AHC00D,112 | CMOS input thresholds (VIH = 3.85 V @ VCC = 5.5 V); wider VCC range (2.0–5.5 V) | Requires 3.3 V or higher logic source; unsuitable for direct TTL output driving | Select when interfacing with modern 3.3 V microcontrollers and needing lowest static power |
| SN74LV00APWR | Lower VCC range (2.0–5.5 V); LV-CMOS thresholds; tpd ≤ 7.5 ns @ 5 V, 50 pF | Higher speed but no overvoltage tolerance; not rated for 125 °C operation | Prefer for high-speed 3.3 V-only systems where thermal margin is less critical |
Compared with 74AHC00D,112 and SN74LV00APWR, the 74AHCT00D,112 uniquely combines TTL-level compatibility, 5.5 V overvoltage tolerance, and full –40 °C to +125 °C qualification - making it the only choice for robust 5 V legacy interface in thermally demanding environments.
Availability
74AHCT00D,112 is available at Aetrix Electronics and suitable for industrial PLC I/O expansion, automotive body control modules, medical infusion pump controllers, and test equipment signal routing requiring stable component supply across extended temperature ranges.
Supply support for 74AHCT00D,112 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 specializing in high-performance logic, analog, and MOSFET solutions, with leadership in automotive-grade reliability and energy-efficient design.
The 74AHCT00D,112 belongs to Nexperia's industry-standard 74AHCT logic family, engineered for robust TTL-compatible interfacing in harsh-environment control systems where voltage translation, noise immunity, and extended temperature operation are mandatory.
FAQ
Can 74AHCT00D,112 operate with a 3.3 V supply?
No. The 74AHCT00D,112 is specifically designed for TTL-level compatibility and requires a minimum supply voltage of 4.5 V to guarantee VIH ≥ 2.0 V and proper logic recognition. At 3.3 V, input thresholds fall outside specification, risking incorrect switching or increased static current. Use 74AHC00D,112 instead for 3.3 V operation.
What is the maximum capacitive load this device can drive reliably?
The 74AHCT00D,112 is characterized up to 50 pF load capacitance with guaranteed tpd ≤ 9.0 ns and VOL ≤ 0.55 V at IO = 8.0 mA. Driving >50 pF may increase propagation delay nonlinearly and degrade noise margins; for heavier loads, add a buffer stage or reduce trace length and parallel capacitance.
Is the SO14 package RoHS compliant and lead-free?
Yes. The 74AHCT00D,112 in SOT108-1 (SO14) package is fully RoHS compliant and lead-free, meeting EU Directive 2011/65/EU and JEDEC J-STD-609 Category 3 marking requirements. The finish is matte tin, with no lead content in solderability layers or terminations.
How does the Schmitt-trigger input improve system reliability?
The Schmitt-trigger action provides input hysteresis (~0.4 V typical), meaning the rising and falling input thresholds differ. This prevents multiple transitions during slow or noisy signal edges - critical for debouncing mechanical switches, rejecting EMI on long cables, and stabilizing feedback loops in analog-digital hybrid circuits.
74AHCT00D,112 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:
- -
74AHCT00D,112 FAQ
1.How can I place an order for 74AHCT00D,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74AHCT00D,112 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 74AHCT00D,112 reliable?
The price and inventory of 74AHCT00D,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74AHCT00D,112 is usually 5 days.
3.What payment methods are accepted for 74AHCT00D,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74AHCT00D,112 transactions.
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4.How is shipping managed for 74AHCT00D,112?
74AHCT00D,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74AHCT00D,112 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 74AHCT00D,112?
For technical support, including 74AHCT00D,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74AHCT00D,112 requirements.
6.How does Aetrix verify that 74AHCT00D,112 is sourced from the original manufacturer or authorized distributors?
All 74AHCT00D,112 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 74AHCT00D,112 meets industry standards.
7.What is the process for return or replacement of 74AHCT00D,112?
All 74AHCT00D,112 units undergo pre-shipment inspection (PSI). If there is an issue with 74AHCT00D,112, 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 74AHCT00D,112 part is unused and in its original packaging.
Return procedure for 74AHCT00D,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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