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CD74FCT244M
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Product Detailed Parameters
- Description：IC BUF NON-INVERT 5.25V 20SOIC
- Series：74FCT
- Mfr：Texas Instruments
- Package：Tube
- Logic Type：Buffer, Non-Inverting
- Number of Elements：2
- Number of Bits per Element：4
- Input Type：-
- Output Type：3-State
- Current - Output High, Low：15mA, 64mA
- Voltage - Supply：4.75V ~ 5.25V
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SOIC
- Grade：-
- Qualification：-
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Overview
The CD74FCT244M is an octal buffer and line driver from Texas Instruments, belonging to the FCT logic series. It features eight non-inverting channels with three-state outputs, housed in a 20-SOIC surface-mount package. The device operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical specifications include a propagation delay of 4.1 ns at 5 V, high-level output current of -32 mA, and low-level output current of 64 mA. Static current is specified at 200 nA, with a maximum operating temperature of +85°C.
Feature Summary
- Provides eight non-inverting buffering channels with three-state output capability for bus-oriented architectures.
- Features TTL-compatible CMOS inputs to ensure compatibility with standard logic families.
- Delivers high drive strength suitable for driving heavy capacitive loads on data buses.
Applications
- Bus-oriented memory and address drivers
- Clock drivers and buffer circuits
- Multiplexer input and output switches
Procurement Notes
Verify the specific suffix 'M' corresponds to the 20-SOIC package variant when sourcing. Confirm RoHS compliance status through official documentation as requirements may vary by production batch. Ensure the supplier provides valid traceability for this Texas Instruments component to guarantee authenticity and quality standards.
Selection Notes
Select this component for applications requiring fast switching speeds and high drive current in a 5 V system. Compare against HC series parts if lower power consumption is critical, noting the trade-off in speed. Ensure the design accommodates the 20-SOIC footprint and thermal characteristics for surface-mount assembly processes.
Part Context
This part belongs to the CD74FCT244 family of octal buffers. It shares functional similarities with other FCT series devices but is distinct from the HC series due to its faster propagation delays and higher output drive capabilities. The M suffix specifically denotes the SOIC package type used in this configuration.
Replacement Considerations
The CD74FCT244M is scheduled for obsolescence. Verify availability of alternative sources or newer revisions. Check datasheets for compatible substitutes that maintain pinout and electrical performance specifications.
FAQ
What is the logic polarity of the CD74FCT244M?
The CD74FCT244M is a non-inverting buffer, meaning the output signal follows the input signal phase.
Does the CD74FCT244M support three-state outputs?
Yes, the device features three-state outputs, allowing it to be connected directly to bus lines without external isolation.
