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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74BCT |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 15mA, 64mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP |
| ROHS |  |
The SN74BCT541ADBR from Texas Instruments is a high-current octal buffer designed for 5V systems. It features non-inverting buffers with 3-State outputs, capable of sinking 64mA and sourcing 15mA. This IC is ideal for bus driving, memory interfacing, and industrial control applications. Its BiCMOS technology combines low power with high speed, making it a reliable choice for demanding 5V logic designs.
- High 64mA Sink Current: Drives heavy loads and long buses without signal degradation.
- 5V Operation (4.5V-5.5V): Directly compatible with legacy TTL systems.
- 3-State Outputs: Allows multiple devices to share a common bus safely.
- BiCMOS Technology: Balances low power consumption with high-speed switching.
5V Bus Driving
With 64mA sink capability, this buffer can drive heavy bus loads in 5V TTL systems, ensuring reliable communication between multiple boards.
Memory Address/Data Buffering
Ideal for buffering address and data lines in legacy 5V memory systems, providing high drive strength and 3-State isolation.
Backplane Interfacing
The high sink current and 3-State outputs make it suitable for driving backplane buses in telecom and networking equipment.
Peripheral Driver
Can drive multiple TTL loads or LEDs with its high current sinking capability, simplifying peripheral interfacing.
Industrial Control Logic
In 5V industrial controllers, this buffer conditions signals between PLCs and sensors, ensuring noise immunity.
Test Equipment Signal Conditioning
Used in ATE (Automated Test Equipment) to buffer and drive signals to device-under-test pins with high accuracy.
- Q: What logic family does the SN74BCT541ADBR belong to?
- A: It is part of the 74BCT BiCMOS logic family.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 1 channel (8-bit).
- Q: What is the output type?
- A: It has 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage?
- A: It operates at 4.5V to 5.5V, standard for 5V systems.
- Q: What is the output current capability?
- A: It can sink 64mA and source 15mA.
- Q: What package is available?
- A: It comes in a 20-pin SSOP package.
SN74BCT541ADBR.pdf
- Q: What logic family does the SN74BCT541ADBR belong to?
- A: It is part of the 74BCT BiCMOS logic family.
- Q: What is the function of this device?
- A: It is a non-inverting buffer with 1 channel (8-bit).
- Q: What is the output type?
- A: It has 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage?
- A: It operates at 4.5V to 5.5V, standard for 5V systems.
- Q: What is the output current capability?
- A: It can sink 64mA and source 15mA.
- Q: What package is available?
- A: It comes in a 20-pin SSOP package.