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CD74FCT244DTM
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Product Detailed Parameters
- Description：IC BUFF NON-INVERT 5.25V 20SOIC
- Series：-
- Mfr：Harris Corporation
- Package：Bulk
- Logic Type：Buffer, Non-Inverting
- Number of Elements：1
- Number of Bits per Element：8
- Input Type：-
- Output Type：3-State
- Current - Output High, Low：15mA, 64mA
- Voltage - Supply：4.75V ~ 5.25V
- Operating Temperature：-40°C ~ 85°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 CD74FCT244DTM is an octal bus driver from the FCT series, manufactured by Harris Corporation. It features eight true outputs with three-state capability and operates within a voltage range of 4.5V to 5.5V. The device utilizes CMOS technology and is housed in a 20-pin Small Outline package. It supports a load capacitance of 50 pF and functions across a temperature range of -40°C to 85°C.
Feature Summary
- Provides eight-bit data buffering with true output polarity
- Features three-state outputs for effective bus line management
- Incorporates internal series resistors to control signal overshoot and undershoot
Applications
- High-speed data buffering on system buses
- Driving capacitive loads in digital circuits
- Interface isolation between logic components
Procurement Notes
Verify the specific manufacturer source, as Harris Corporation's semiconductor assets were acquired by Texas Instruments. Confirm that the part number corresponds to the original Harris specification rather than a TI rebranding or successor variant. Ensure the package type matches the required 20-pin small outline footprint for your design.
Selection Notes
Select this component when eight-channel buffering with controlled slew rates is required. The integrated series resistors reduce electromagnetic interference compared to standard drivers. Verify compatibility with 5V logic families and ensure the thermal environment remains within the specified operating temperature limits.
Part Context
This device belongs to the Fast CMOS (FCT) logic family, designed for high-speed applications. It serves as a buffer rather than a transceiver, providing unidirectional data flow. The inclusion of series resistors distinguishes it from basic buffers by offering improved signal integrity in high-frequency environments.
Replacement Considerations
Check for direct equivalents such as the CD74FCT244ATM or Texas Instruments variants like the SN74FCT244. Ensure pinout compatibility and verify that the replacement maintains the same three-state and series resistor characteristics.
