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MC74AC640DTEL
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Product Detailed Parameters
- Description：BUS TRANSCEIVER, AC SERIES, 1 FU
- 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 MC74AC640DTEL is an octal bus transceiver from the AC logic series, manufactured by onsemi. It features one functional unit with eight bits per element and inverted outputs. The device utilizes CMOS technology and operates within a supply voltage range of 2.0V to 6.0V. It is housed in a TSSOP-20 surface-mount package. The component supports bidirectional data transmission and includes three-state outputs for effective bus management.
Feature Summary
- Octal bus transceiver architecture providing eight-bit bidirectional data transfer capability
- Three-state outputs designed to facilitate efficient bus line management and isolation
- Inverted output configuration compatible with standard AC logic family requirements
Applications
- Mobile applications requiring low power consumption and high speed
- Clock driving and buffer applications in consumer electronics
- High-density memory modules utilizing bus architectures
Procurement Notes
Verify the specific suffix DTEL confirms the TSSOP-20 tape and reel packaging format. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the operating temperature range aligns with the target environmental specifications for the final assembly process.
Selection Notes
Select this component when an octal transceiver with inverted outputs is required for AC logic compatibility. Consider the TSSOP-20 package for space-constrained surface-mount designs. Evaluate the 2.0V to 6.0V supply range against system power rails to ensure proper logic level interfacing and signal integrity across the operational voltage spectrum.
Part Context
This part belongs to the 74AC logic family, known for high-speed operation and wide voltage tolerance. The MC74AC640 variant specifically provides octal buffering and driving capabilities. It serves as a critical interface component in digital systems requiring reliable data transmission between different logic blocks or memory devices.
Replacement Considerations
Check for direct pin-compatible substitutes within the same 74AC family. Verify equivalent electrical characteristics such as propagation delay and output drive current. Ensure any alternative maintains the same TSSOP-20 package dimensions and inversion logic polarity.
