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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74BCT |
| Packaging | Bulk | |
| 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 | 3mA, 24mA; 15mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SO |
The SN74BCT623NS from Texas Instruments is a versatile, single-channel non-inverting transceiver from the 74BCT logic family. Operating from a 4.5V to 5.5V supply, it is designed for 5V TTL systems. The device features 3-State outputs for bus isolation and provides robust drive capability with up to 64mA source current. Housed in a compact 20-pin SOIC package, it is ideal for buffering and controlling bidirectional data flow in a wide range of digital applications.
- High Source Current (64mA): Provides fast signal transitions, critical for high-speed bus operation.
- 3-State Outputs: Enables multiple devices to share a common bus, enhancing system flexibility.
- Standard 5V Operation: Directly compatible with legacy TTL logic, simplifying integration.
- Bipolar/CMOS Technology: Balances high speed with low power consumption.
5V Bus Buffering
Use the SN74BCT623NS to buffer and drive 5V TTL buses. The high source current (64mA) ensures fast edge rates, reducing propagation delays in high-speed digital systems.
Memory Interface
In embedded systems, this transceiver can be used to interface a microprocessor with SRAM or ROM. The 3-State outputs allow for easy bus sharing with other peripherals.
Peripheral Controller Communication
Connect a CPU to peripheral controllers (e.g., UART, GPIO expanders) using this transceiver. It provides the necessary drive strength and isolation for reliable data transfer.
Industrial Control Backplanes
In industrial PCs and PLCs, the transceiver can drive signals across a backplane, ensuring data integrity in noisy environments. Its 0°C to 70°C range covers typical industrial settings.
Test Equipment
Use it in benchtop test equipment to buffer signals between the main board and front-panel interfaces, providing a clean, isolated signal path.
- Q: What is the logic family of the SN74BCT623NS?
- A: It is part of the 74BCT logic family, which combines Bipolar and CMOS technologies for high speed and low power.
- Q: What is the function of this device?
- A: It is a single-channel, non-inverting transceiver for bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, enabling the device to be isolated from the bus when not active.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it compatible with standard 5V TTL systems.
- Q: What is the output current capability?
- A: It can sink 3mA/24mA and source 15mA/64mA, depending on the output configuration.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (0.209", 5.30mm Width) package.
SN74BCT623NS.pdf
- Q: What is the logic family of the SN74BCT623NS?
- A: It is part of the 74BCT logic family, which combines Bipolar and CMOS technologies for high speed and low power.
- Q: What is the function of this device?
- A: It is a single-channel, non-inverting transceiver for bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, enabling the device to be isolated from the bus when not active.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, making it compatible with standard 5V TTL systems.
- Q: What is the output current capability?
- A: It can sink 3mA/24mA and source 15mA/64mA, depending on the output configuration.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (0.209", 5.30mm Width) package.