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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP (0.173", 4.40mm Width) |
The MC74AC640DT is an inverting transceiver from onsemi, part of the 74AC logic family. It features a single bidirectional channel with 3-state outputs, capable of sinking or sourcing 24mA. Operating from 4.5V to 5.5V, this transceiver is ideal for 5V bus interfacing, industrial control, and memory applications. Its 20-TSSOP package is compact and suitable for space-constrained designs.
- Standard 5V Operation: Directly compatible with 5V logic systems.
- 3-State Outputs: Enables bus sharing and prevents data contention.
- Compact TSSOP Package: Saves PCB space in dense designs.
- Industrial Temperature Range: Reliable in harsh environments.
5V Bus Transceivers
The inverting transceiver function is ideal for 5V bus systems where signal inversion is required, such as in legacy microprocessor interfaces.
Industrial Control Systems
With a temperature range of -40°C to 85°C, it is suitable for industrial control applications, providing reliable bidirectional data transfer.
Signal Inversion and Buffering
It can be used to invert and buffer control signals in digital circuits, ensuring proper logic levels for downstream devices.
Memory Interface
The 3-state outputs allow multiple memory devices to share a data bus, making it useful in memory expansion designs.
Peripheral Device Communication
It can interface between a microcontroller and peripheral devices, providing necessary signal conditioning and inversion.
Test Equipment
In automated test equipment, the transceiver can route and invert signals between the unit under test and the measurement system.
- Q: What is the logic family of the MC74AC640DT?
- A: It belongs to the 74AC logic family, offering high-speed CMOS performance.
- Q: What is the function of this IC?
- A: It is an inverting transceiver, providing bidirectional data transfer with inverted outputs.
- Q: How many channels does it have?
- A: It has 1 channel, supporting a single bidirectional data path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing and high-impedance states.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for standard 5V systems.
- Q: What package is available?
- A: It comes in a 20-TSSOP package with a 4.40mm width.
MC74AC640DT.pdf
- Q: What is the logic family of the MC74AC640DT?
- A: It belongs to the 74AC logic family, offering high-speed CMOS performance.
- Q: What is the function of this IC?
- A: It is an inverting transceiver, providing bidirectional data transfer with inverted outputs.
- Q: How many channels does it have?
- A: It has 1 channel, supporting a single bidirectional data path.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing and high-impedance states.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it suitable for standard 5V systems.
- Q: What package is available?
- A: It comes in a 20-TSSOP package with a 4.40mm width.