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onsemi MC74LCX00DTR2
- Part No.:
- MC74LCX00DTR2
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
MC74LCX00DTR2.pdf
- Description:
- IC GATE NAND 4CH 2-INP 14TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,295
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Product details
Overview
MC74LCX00DTR2 from onsemi is a low-voltage CMOS quad 2-input NAND gate operating from 1.65 V to 5.5 V, featuring 5 V-tolerant inputs, 24 mA balanced output drive at 3.0 V, near-zero static supply current (10 µA), and AEC-Q100 qualification for automotive use. It serves as a level-shifting logic interface in mixed-voltage digital systems such as automotive body control modules.
For engineers reviewing the MC74LCX00DTR2 datasheet, pinout, applications, or equivalent options, key selection considerations include its 5 V-tolerant input capability, TSSOP-14 package footprint, −40 °C to +125 °C operating range, and compatibility with both LVTTL and LVCMOS logic families.
Technical Context
The MC74LCX00DTR2 implements four independent NAND gates in a single monolithic IC, each with TTL-compatible inputs and outputs. Its 5 V-tolerant input structure enables direct interfacing with legacy 5 V logic while powered from 1.65–3.3 V supplies - critical for voltage-domain bridging in modern automotive and industrial controllers.
It delivers 24 mA sink/source capability at 3.0 V, supports ≤4.2 ns propagation delay (VCC = 4.5–5.5 V), and maintains <10 µA quiescent ICC across temperature. The device exhibits latchup immunity >100 mA and ESD robustness >2000 V HBM, meeting stringent automotive reliability requirements per AEC-Q100.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.65 V to 5.5 V - Enables operation across 1.8 V, 2.5 V, 3.3 V, and 5 V logic domains without level shifters. |
| Input Voltage Tolerance | −0.5 V to +6.5 V - Allows safe connection to 5 V drivers even when VCC = 1.65 V, eliminating external clamping diodes. |
| Output Drive Strength | ±24 mA @ 3.0 V - Sufficient to drive multiple LVTTL loads or moderate capacitive bus lines without buffering. |
| Propagation Delay | 4.2 ns max @ VCC = 4.5–5.5 V - Supports >100 MHz toggle rates in high-speed control paths. |
| Quiescent Supply Current | 10 µA max - Minimizes standby power in battery-backed or always-on automotive subsystems. |
| Operating Temperature | −40 °C to +125 °C - Validated for under-hood and engine-control unit (ECU) environments. |
| ESD Rating | 2000 V HBM - Meets IEC 61000-4-2 system-level ESD immunity baseline for automotive electronics. |
Pinout & Package
TSSOP-14 package (Case 948G), 4.4 mm × 5.0 mm footprint, 0.65 mm pitch, lead-free (Pb-free) and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 4, 5, 10, 12, 13 | A0/B0, A1/B1, A3/B3 | Four pairs of NAND inputs - each pair drives one gate; unused inputs must be tied to VCC or GND to prevent floating-induced leakage. |
| 3, 6, 11, 8 | O0, O1, O2, O3 | Four independent NAND outputs - actively driven HIGH/LOW; no internal pull-ups or tri-state capability. |
| 7 | GND | Ground reference for all logic and power domains - requires low-inductance PCB connection to minimize switching noise. |
| 14 | VCC | Single supply rail - powers all four gates; decoupling capacitor (0.1 µF) required within 5 mm of this pin. |
Key Features
| Feature | Design Value |
|---|---|
| 5 V-tolerant inputs | Enables seamless integration between 3.3 V microcontrollers and legacy 5 V peripheral interfaces without external level translators. |
| 24 mA balanced output drive | Supports fan-out of ≥10 LVTTL loads or direct driving of small-signal MOSFET gates in discrete power control stages. |
| AEC-Q100 qualified (−Q suffix) | Validated for automotive applications including body electronics, lighting control, and HVAC modules requiring PPAP documentation. |
| Near-zero static ICC (10 µA) | Reduces system-level quiescent current by >95% vs. standard LS-TTL equivalents, extending battery life in always-on nodes. |
| Latchup immunity >100 mA | Ensures robustness against transient overvoltage events in noisy automotive electrical systems (e.g., load dump, jump start). |
Applications
| Automotive Body Control Module | Industrial PLC Input Conditioning |
|---|---|
|
Use Scenario: Logic-level translation between 3.3 V CAN controller and 5 V relay driver circuitry in door module ECUs. IC Role / Device Role / Timing Role: Quad NAND gate performing voltage-domain isolation and signal inversion for enable/disable sequencing. Use Value: Eliminates need for discrete level shifters, reducing BOM count and PCB area while maintaining AEC-Q100 compliance. |
Use Scenario: Debouncing and signal conditioning of mechanical limit switch inputs in factory automation controllers. IC Role / Device Role / Timing Role: Input gate providing Schmitt-trigger-like noise rejection via hysteresis inherent in CMOS transfer characteristics. Use Value: Reduces false triggering from EMI-coupled transients on long sensor cables without adding RC filters or firmware overhead. |
| Medical Infusion Pump UI Logic | Smart Energy Meter Communication Interface |
|
Use Scenario: Interfacing low-power 1.8 V microcontroller GPIOs with 5 V display backlight control and keypad scan matrix. IC Role / Device Role / Timing Role: Level-shifting combinatorial logic block enabling bidirectional signal routing between voltage domains. Use Value: Achieves <1 µA total standby current contribution per gate, supporting 5-year battery life in portable medical devices. |
Use Scenario: Isolating RS-485 transceiver control signals from 3.3 V metering SoC in smart electricity meters. IC Role / Device Role / Timing Role: NAND-based enable/disable gating of half-duplex direction control lines during UART idle states. Use Value: Prevents bus contention during power-up/down sequences, ensuring reliable M-Bus and DLMS/COSEM protocol operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar NAND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC00APWR | Same 1.65–5.5 V range and TSSOP-14 package, but rated only to +85 °C and not AEC-Q100 qualified. | Not suitable for under-hood automotive use; limited to commercial/industrial ambient conditions. | Select when cost sensitivity outweighs automotive qualification requirements and temperature range is ≤85 °C. |
| 74LCX00MTCX | Identical logic function and specs, but in SOIC-14 (Case 751A) instead of TSSOP-14 - larger footprint, higher thermal resistance (116 °C/W vs. 150 °C/W). | Lower board density and reduced thermal performance; unsuitable for space-constrained automotive modules. | Select only if legacy SOIC assembly infrastructure exists and thermal derating margins allow. |
Compared with SN74LVC00APWR and 74LCX00MTCX, the MC74LCX00DTR2 uniquely combines AEC-Q100 qualification, +125 °C operation, and TSSOP-14 packaging - making it the only drop-in option for thermally demanding, safety-conscious automotive designs requiring 5 V-tolerant interfacing.
Availability
MC74LCX00DTR2 is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC input conditioning, medical infusion pump UI logic, and smart energy meter communication interfaces requiring stable component supply and full traceability.
Supply support for MC74LCX00DTR2 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 specializing in energy-efficient, high-reliability components for automotive, industrial, cloud, and medical applications.
The MC74LCX00DTR2 belongs to the LCX family of low-voltage, 5 V-tolerant logic ICs designed specifically for mixed-supply system interfacing in automotive and harsh-environment industrial electronics.
FAQ
What is the maximum operating temperature for the MC74LCX00DTR2?
The MC74LCX00DTR2 is rated for continuous operation from −40 °C to +125 °C, validated per AEC-Q100 Grade 1 requirements. This makes it suitable for under-hood automotive applications where ambient temperatures exceed 105 °C. The device's thermal resistance (θJA = 150 °C/W in TSSOP-14) ensures safe junction temperatures under typical load conditions at maximum ambient.
Does the MC74LCX00DTR2 support true 5 V logic interfacing while powered from 1.8 V?
Yes - the MC74LCX00DTR2 features 5 V-tolerant inputs, allowing VI up to +6.5 V regardless of VCC. When powered from 1.8 V, it safely accepts 5 V input signals without damage or clamping, enabling direct connection to legacy 5 V peripherals. Output levels remain compatible with LVTTL thresholds (VOH ≥ 1.29 V, VOL ≤ 0.24 V @ 1.65–1.95 V).
Is the MC74LCX00DTR2 pin-compatible with other quad NAND gate packages?
The MC74LCX00DTR2 uses the industry-standard TSSOP-14 pinout defined in Figure 1 of its datasheet. It shares identical pin assignments with SN74LVC00APWR and 74LCX00MTCX (SOIC-14 variant), though physical package dimensions differ. No PCB redesign is needed when substituting between TSSOP-14 variants, but SOIC-to-TSSOP transitions require layout adaptation.
What is the propagation delay of the MC74LCX00DTR2 at 3.3 V supply?
At VCC = 3.0–3.6 V and TA = −40 °C to +125 °C, the MC74LCX00DTR2 has a maximum propagation delay (tPLH/tPHL) of 5.5 ns. This value is measured under standard test conditions (CL = 50 pF, RL = 500 Ω) and supports reliable operation in digital control loops with sub-100 MHz timing budgets.
How does the MC74LCX00DTR2 handle unused inputs?
Unused inputs on the MC74LCX00DTR2 must never be left floating - doing so increases ICC and risks metastability or oscillation. Each unconnected A/B input pair should be tied directly to either VCC or GND using short PCB traces. Internal input protection diodes are not intended for sustained conduction, so external pull-up/pull-down resistors are unnecessary and discouraged.
MC74LCX00DTR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74LCX
- Package/Case:
- 14-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- NAND Gate
- Number of Circuits:
- 4
- Number of Inputs:
- 2
- Features:
- -
- Voltage - Supply:
- 2V ~ 3.6V
- Current - Quiescent (Max):
- 10 µA
- Current - Output High, Low:
- 24mA, 24mA
- Input Logic Level - Low:
- 0.7V ~ 0.8V
- Input Logic Level - High:
- 1.7V ~ 2V
- Max Propagation Delay @ V, Max CL:
- 5.5ns @ 3.3V, 50pF
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-TSSOP
MC74LCX00DTR2 FAQ
1.How can I place an order for MC74LCX00DTR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74LCX00DTR2 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 MC74LCX00DTR2 reliable?
The price and inventory of MC74LCX00DTR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74LCX00DTR2 is usually 5 days.
3.What payment methods are accepted for MC74LCX00DTR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74LCX00DTR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74LCX00DTR2?
MC74LCX00DTR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74LCX00DTR2 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 MC74LCX00DTR2?
For technical support, including MC74LCX00DTR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74LCX00DTR2 requirements.
6.How does Aetrix verify that MC74LCX00DTR2 is sourced from the original manufacturer or authorized distributors?
All MC74LCX00DTR2 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 MC74LCX00DTR2 meets industry standards.
7.What is the process for return or replacement of MC74LCX00DTR2?
All MC74LCX00DTR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC74LCX00DTR2, 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 MC74LCX00DTR2 part is unused and in its original packaging.
Return procedure for MC74LCX00DTR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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