onsemi 74VHCT245ASJX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.24 | $2.24 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | 74VHCT |
| Packaging | | |
| Part Status | Obsolete |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 8mA, 8mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SOP |
| ROHS |  |
The 74VHCT245ASJX is a non-inverting transceiver from Fairchild Semiconductor, part of the 74VHCT logic family. It features one channel with 3-State outputs on both sides, capable of sourcing or sinking 8mA. Operating from a 4.5V to 5.5V supply, it is designed for bidirectional data transfer in 5V systems. The TTL-compatible inputs allow interfacing with 3.3V logic. This transceiver is commonly used in bus interfacing, memory read/write operations, and level shifting. Its 20-SOIC package is compact and suitable for high-density PCBs.
- Bidirectional Data Transfer: Allows data flow in both directions with a single IC, simplifying bus design.
- 3-State Outputs: Provides bus isolation and prevents data contention, enhancing system reliability.
- TTL-Compatible Inputs: Enables seamless interfacing with 3.3V logic, reducing level-shifting circuitry.
- High Output Current (8mA): Ensures robust signal driving over longer bus traces.
Bidirectional Bus Transceiver
The 74VHCT245A is ideal for connecting two bidirectional data buses, such as between a microcontroller and memory or peripherals. The direction control pin allows data flow in either direction.
Data Bus Isolation
The 3-State outputs allow the transceiver to be completely disconnected from the bus, providing isolation between subsystems during power-up or when not in use.
Level Shifting Between 3.3V and 5V Systems
With TTL-compatible inputs, it can translate 3.3V logic signals to 5V logic levels, enabling communication between low-voltage and standard-voltage devices.
Memory Read/Write Interface
In microprocessor systems, this transceiver can be used to interface the CPU data bus to memory chips, controlling the direction based on read/write signals.
Peripheral Device Communication
It can be used to buffer and control data flow to peripheral devices such as ADCs, DACs, or communication modules, ensuring reliable data transfer.
Industrial Control Bus
In industrial automation, the transceiver can be used to interface a controller to a fieldbus, providing robust signal driving and isolation.
- Q: What is the logic family of the 74VHCT245ASJX?
- A: It belongs to the 74VHCT family, offering high-speed CMOS performance with TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: It features 3-State outputs on both sides, allowing for direction control and bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for 5V digital systems.
- Q: What is the output current capability?
- A: It can source or sink 8mA per output, providing adequate drive for bus lines.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package, suitable for surface-mount applications.
74VHCT245ASJX.pdf
- Q: What is the logic family of the 74VHCT245ASJX?
- A: It belongs to the 74VHCT family, offering high-speed CMOS performance with TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver with 1 channel, enabling bidirectional data transfer between two buses.
- Q: What is the output type?
- A: It features 3-State outputs on both sides, allowing for direction control and bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for 5V digital systems.
- Q: What is the output current capability?
- A: It can source or sink 8mA per output, providing adequate drive for bus lines.
- Q: What package is available?
- A: It comes in a 20-SOIC (0.209", 5.30mm Width) package, suitable for surface-mount applications.
