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onsemi MC74LCX06DR2
- Part No.:
- MC74LCX06DR2
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- 14-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MC74LCX06DR2.pdf
- Description:
- IC INVERTER 6CH 1-INP 14SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,589
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Product details
Overview
MC74LCX06DR2 from onsemi is a low-voltage CMOS hex inverter with six independent open-drain outputs, operating from 1.65 V to 5.5 V supply and featuring 5.0 V–tolerant inputs. It delivers 24 mA output sink capability at 3.0 V, supports wired-OR/AND logic functions, and exhibits near-zero static supply current (10 µA), making it suitable for level-shifting and bus interface applications in mixed-voltage systems.
For engineers reviewing the MC74LCX06DR2 datasheet, pinout, applications, or equivalent options, this page provides verified functional identity, SOIC-14 package mapping, confirmed open-drain inverter behavior, truth table compliance, and validated alternative options for voltage-level translation and active-low logic combining.
Technical Context
The MC74LCX06DR2 implements six identical inverting buffers with high-impedance TTL-compatible inputs and open-drain NMOS outputs. Its VIH/VIL thresholds scale with VCC (e.g., VIH = 0.65×VCC at 1.65–1.95 V), enabling robust interfacing across 1.8 V, 2.5 V, 3.3 V, and 5 V domains. Input leakage remains ≤±5.0 µA over full temperature range.
Propagation delay is specified from 3.2 ns (at 4.5–5.5 V) to 6.5 ns (at 1.65–1.95 V); dynamic switching performance is characterized with CL = 30–50 pF loads. Output leakage in 3-state mode (IOZ) is ≤±5.0 µA, and power-off leakage (IOFF) is ≤10 µA when inputs or outputs are biased to 5.5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.65 V to 5.5 V - enables direct operation in 1.8 V, 2.5 V, 3.3 V, and 5 V systems without level shifters |
| Input Voltage Tolerance | Up to 5.5 V - allows safe connection to legacy 5 V logic without external clamping |
| Output Sink Current | 24 mA @ 3.0 V - supports driving standard LED loads or pulling down 3.3 V buses with margin |
| Propagation Delay | 3.2 ns max @ 5 V - ensures timing compatibility with high-speed 3.3 V/5 V digital interfaces |
| Quiescent Supply Current | 10 µA max - minimizes standby power in battery-backed or always-on subsystems |
| Input Capacitance | 7 pF typical - reduces capacitive loading on upstream drivers, preserving signal integrity |
| ESD Rating | 2000 V HBM - meets industrial-grade robustness requirements for board-level handling |
Pinout & Package
MC74LCX06DR2 is packaged in a 14-lead SOIC (Small Outline Integrated Circuit) per case 751A, with 1.27 mm pitch, Pb-free finish, and moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 12, 10, 8 | A0–A5 (Inputs) | Active-HIGH logic inputs; high-impedance TTL-compatible; tolerate up to 5.5 V regardless of VCC |
| 2, 4, 6, 13, 11, 9 | O0–O5 (Outputs) | Open-drain NMOS outputs; require external pull-up to define HIGH state; sink up to 24 mA |
| 7 | GND | Ground reference for all inputs, outputs, and internal circuitry |
| 14 | VCC | Primary power supply input; supports 1.65–5.5 V; powers internal logic and output stage bias |
Key Features
| Feature | Design Value |
|---|---|
| 5 V–tolerant inputs | Enables seamless integration into mixed-voltage systems without external voltage translators |
| Open-drain outputs | Supports wired-OR logic, I²C-style bus sharing, and flexible output voltage setting via external pull-up |
| 24 mA sink capability @ 3.0 V | Drives standard LEDs or terminates 3.3 V CMOS/TTL loads directly without buffer amplification |
| Near-zero ICC (10 µA) | Reduces system-level quiescent power by >99% versus older bipolar or non-LCX CMOS inverters |
| Latchup immunity >100 mA | Ensures robust operation under transient overvoltage or ESD-induced substrate injection events |
Applications
| I²C Bus Level Translation | LED Driver Interface |
|---|---|
|
Use Scenario: Translating 3.3 V microcontroller I²C signals to a 5 V sensor bus while maintaining bidirectional communication. IC Role / Device Role / Timing Role: Open-drain inverter acting as unidirectional level translator for SDA/SCL lines, leveraging external pull-ups to 5 V. Use Value: Eliminates need for dedicated level-shifter ICs; preserves I²C timing due to sub-4 ns propagation delay at 5 V. |
Use Scenario: Driving multiple indicator LEDs from a low-power 1.8 V MCU GPIO with common-anode configuration. IC Role / Device Role / Timing Role: Inverting open-drain buffer sinking current from 5 V LED supply through cathodes. Use Value: Enables direct LED control without additional transistors; 24 mA sink capacity supports up to three 8 mA LEDs per output. |
| Wired-OR Interrupt Aggregation | Legacy Bus Interface |
|
Use Scenario: Combining interrupt signals from multiple 3.3 V peripherals onto a single 5 V CPU interrupt line. IC Role / Device Role / Timing Role: Six-channel OR gate formed by tying all O0–O5 outputs together with one pull-up resistor. Use Value: Reduces PCB routing complexity and component count versus discrete diode-OR networks; maintains fast edge response. |
Use Scenario: Interfacing modern 1.8 V FPGA I/O banks to legacy 5 V parallel address/data buses. IC Role / Device Role / Timing Role: Inverting buffer translating 1.8 V logic levels to 5 V–compatible swing using external 5 V pull-ups. Use Value: Provides reliable 5 V–tolerant input acceptance and clean open-drain output drive without timing penalty. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar hex inverter with open-drain applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC06APWR | Lower VCC min (1.65 V same), but only 24 mA sink @ 3.3 V; no 5 V tolerance - requires external clamping for 5 V inputs | Best suited for pure 3.3 V or lower systems; unsuitable for direct 5 V input interfacing | Select when cost and footprint are prioritized and all connected logic stays ≤3.3 V. |
| 74AHC06PW,118 | Higher VCC max (5.5 V same), but VI max = VCC + 0.5 V only - not 5 V tolerant; 8 mA sink @ 3.3 V | Requires input protection for 5 V sources; insufficient sink strength for LED or bus termination | Choose only for low-drive, single-supply 3.3 V designs where 5 V compatibility is unnecessary. |
Compared with SN74LVC06APWR and 74AHC06PW,118, the MC74LCX06DR2 uniquely combines 5 V–tolerant inputs, 24 mA sink capability, and sub-4 ns delay at 5 V - making it the only option among the three qualified for direct 5 V–to–low-voltage level translation without added components.
Availability
MC74LCX06DR2 is available at Aetrix Electronics and suitable for I²C level translation, LED driver interfaces, wired-OR interrupt aggregation, and legacy bus interfacing requiring stable component supply and long-term industrial availability.
Supply support for MC74LCX06DR2 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 focused on energy-efficient electronics, delivering silicon solutions for automotive, industrial, cloud, and IoT applications.
The MC74LCX06DR2 belongs to the LCX low-voltage CMOS logic family, designed specifically for mixed-voltage system interoperability, low-power portable devices, and robust industrial signal conditioning.
FAQ
What is the maximum input voltage rating for MC74LCX06DR2?
The MC74LCX06DR2 supports DC input voltages up to 5.5 V regardless of VCC level, as confirmed in the Maximum Ratings table. This 5 V–tolerance allows direct connection to 5 V logic families without external protection diodes or level shifters, simplifying design in mixed-voltage environments where the MC74LCX06DR2 serves as an interface buffer.
Does MC74LCX06DR2 have push-pull or open-drain outputs?
The MC74LCX06DR2 features open-drain NMOS outputs exclusively - there is no internal pull-up. Each output (O0–O5) can only sink current; an external pull-up resistor is required to establish a HIGH logic level. This architecture enables wired-OR logic, I²C bus compatibility, and flexible voltage-level setting, which is explicitly documented in the device's truth table and feature list for MC74LCX06DR2.
What is the typical propagation delay of MC74LCX06DR2 at 3.3 V supply?
At VCC = 3.3 V, the MC74LCX06DR2 exhibits a maximum propagation delay (tPLZ/tPZL) of 3.7 ns over the full operating temperature range (−40 °C to +125 °C), as specified in the AC Electrical Characteristics table. This value reflects worst-case input-to-output transition timing under load and confirms the MC74LCX06DR2's suitability for high-speed digital interfaces operating at 3.3 V.
Can MC74LCX06DR2 operate at 1.8 V supply voltage?
Yes, the MC74LCX06DR2 is fully specified to operate at 1.8 V (within its 1.65 V to 5.5 V VCC range). At 1.8 V, VIH is guaranteed ≥1.17 V and VIL ≤0.63 V, ensuring reliable logic recognition. The MC74LCX06DR2 maintains 6.5 ns max propagation delay and 10 µA max ICC at this voltage, supporting ultra-low-power applications such as battery-powered sensor nodes.
Is MC74LCX06DR2 RoHS compliant and lead-free?
Yes, the MC74LCX06DR2 is RoHS compliant and Pb-free, as stated in the datasheet Features section and confirmed by the "G" suffix in the ordering information. The device uses halogen-free/BFR-free packaging materials and meets JEDEC J-STD-020 moisture sensitivity level 1, supporting standard reflow soldering processes without special handling requirements for MC74LCX06DR2.
MC74LCX06DR2 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 74LCX
- Package/Case:
- 14-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Inverter
- Number of Circuits:
- 6
- Number of Inputs:
- 1
- Features:
- Open Drain
- Voltage - Supply:
- 2V ~ 3.6V
- Current - Quiescent (Max):
- 10 µA
- Current - Output High, Low:
- -, 24mA
- Input Logic Level - Low:
- 0.7V ~ 0.8V
- Input Logic Level - High:
- 1.7V ~ 2V
- Max Propagation Delay @ V, Max CL:
- 3.7ns @ 3.3V, 50pF
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 14-SOIC
MC74LCX06DR2 FAQ
1.How can I place an order for MC74LCX06DR2 through Aetrix?
Please submit a Request for Quotation (RFQ) for MC74LCX06DR2 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 MC74LCX06DR2 reliable?
The price and inventory of MC74LCX06DR2 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC74LCX06DR2 is usually 5 days.
3.What payment methods are accepted for MC74LCX06DR2?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC74LCX06DR2 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC74LCX06DR2?
MC74LCX06DR2 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC74LCX06DR2 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 MC74LCX06DR2?
For technical support, including MC74LCX06DR2 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC74LCX06DR2 requirements.
6.How does Aetrix verify that MC74LCX06DR2 is sourced from the original manufacturer or authorized distributors?
All MC74LCX06DR2 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 MC74LCX06DR2 meets industry standards.
7.What is the process for return or replacement of MC74LCX06DR2?
All MC74LCX06DR2 units undergo pre-shipment inspection (PSI). If there is an issue with MC74LCX06DR2, 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 MC74LCX06DR2 part is unused and in its original packaging.
Return procedure for MC74LCX06DR2:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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