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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 54ACT |
| Packaging | | |
| Part Status | Active |
| 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 | 24mA, 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 14-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 14-CDIP |
| ROHS |  |
The CD54ACT245F3A is a non-inverting octal transceiver from Texas Instruments, part of the 54ACT logic family. It provides bidirectional data transfer with 3-State outputs, capable of sourcing and sinking 24mA of current. Operating from 4.5V to 5.5V, this transceiver is designed for bus-oriented systems requiring high drive capability. Its ceramic DIP package and wide temperature range make it suitable for demanding applications.
- High Drive Current (24mA): Can drive heavier loads and longer bus lines, improving signal integrity.
- Bidirectional Data Transfer: Enables flexible bus communication with a single IC, reducing component count.
- 3-State Outputs: Allows for bus sharing and isolation, preventing data corruption and reducing power consumption.
- TTL-Compatible Inputs: Ensures compatibility with a wide range of logic families, simplifying system integration.
Bidirectional Bus Interfacing
Use the CD54ACT245F3A to interface two bidirectional data buses in microprocessor systems. The direction control pin allows data flow in either direction, while the 3-State outputs prevent bus contention.
Memory Data Bus Isolation
Isolate the memory data bus from the CPU during read/write cycles. The transceiver's output enable can be used to disconnect the memory when not in use, reducing capacitive loading and improving signal integrity.
Peripheral Device Communication
Connect peripherals such as ADCs, DACs, or UARTs to a shared data bus. The transceiver provides the necessary buffering and direction control for reliable communication.
Level Shifting in Mixed-Voltage Systems
While operating at 5V, the TTL-compatible inputs allow interfacing with 3.3V logic devices, providing a simple level-shifting solution for bidirectional communication.
Industrial Control Backplane
In industrial control systems, use the transceiver to drive signals across a backplane. The 3-State outputs allow multiple cards to share the bus, while the buffering ensures signal integrity over longer distances.
Test and Measurement Systems
Employ the transceiver in automated test equipment to route data between the instrument and the device under test. The bidirectional capability simplifies the design of multiplexed test interfaces.
- Q: What is the logic family of the CD54ACT245F3A?
- A: It belongs to the 54ACT family, offering advanced CMOS technology with TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is a non-inverting octal transceiver, enabling bidirectional data transfer between two buses.
- Q: How many channels does it have?
- A: It has 1 channel, which is 8 bits wide, allowing simultaneous transfer of 8 data lines.
- Q: What is the output type?
- A: It features 3-State outputs on both sides, allowing for bus isolation and bidirectional operation.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, ideal for standard 5V logic systems.
- Q: What package is it available in?
- A: It comes in a 14-pin CDIP (0.300", 7.62mm) ceramic package.
CD54ACT245F3A.pdf
- Q: What is the logic family of the CD54ACT245F3A?
- A: It belongs to the 54ACT family, offering advanced CMOS technology with TTL-compatible inputs.
- Q: What is the function of this IC?
- A: It is a non-inverting octal transceiver, enabling bidirectional data transfer between two buses.
- Q: How many channels does it have?
- A: It has 1 channel, which is 8 bits wide, allowing simultaneous transfer of 8 data lines.
- Q: What is the output type?
- A: It features 3-State outputs on both sides, allowing for bus isolation and bidirectional operation.
- Q: What is the voltage range?
- A: It operates from 4.5V to 5.5V, ideal for standard 5V logic systems.
- Q: What package is it available in?
- A: It comes in a 14-pin CDIP (0.300", 7.62mm) ceramic package.