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MC74LCX240DT
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Product Detailed Parameters
- Description：BUS DRIVER, LVC/LCX/Z SERIES
- Series：*
- Mfr：onsemi
- Package：Bulk
- Logic Type：-
- Number of Elements：-
- Number of Bits per Element：-
- Input Type：-
- Output Type：-
- Current - Output High, Low：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The MC74LCX240DT is an octal buffer and line driver manufactured by onsemi, belonging to the 74LCX logic series. It features two independent four-bit buffers with inverted outputs and three-state control. The device operates within a supply voltage range of 2V to 3.6V and supports surface-mount installation in a 20-SOIC package. It is designed for low-voltage applications requiring high-speed performance and low power consumption.
Feature Summary
- Provides dual four-bit buffering with inverted output functionality
- Incorporates three-state output control for bus-oriented systems
- Operates at low supply voltages ranging from 2V to 3.6V
- Designed for high-speed signal transmission with low power dissipation
Applications
- Bus-oriented architectures requiring signal isolation
- Clock distribution networks for low-voltage digital systems
- Memory module data buffering and driving
- Portable electronic devices utilizing battery power
Procurement Notes
Verify component authenticity through authorized distributors due to potential obsolescence. Confirm RoHS compliance status as historical batches may vary. Ensure the 20-SOIC package dimensions match PCB footprint requirements. Check for lead-free soldering compatibility if required by assembly standards. Validate datasheet revisions against current manufacturing specifications.
Selection Notes
Select this component when designing circuits that require octal buffering with inversion capabilities. It is suitable for systems operating between 2V and 3.6V where low power consumption is critical. Consider the three-state feature for managing multiple drivers on shared buses. Ensure the SOIC package fits the available board space and thermal constraints.
Part Context
This part belongs to the 74LCX family, which combines CMOS technology with low voltage operation. It serves as a successor to older 74HC or 74HCT series components in modern low-power designs. The device is commonly used in consumer electronics and industrial control systems where signal integrity and speed are prioritized over high voltage tolerance.
Replacement Considerations
Direct substitutes include MC74LCX240DTR2G and MC74LCX240DW. Cross-brand alternatives such as SN74LVC240PW from Texas Instruments may be compatible but require verification of electrical characteristics and pinout alignment.
