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| Product attributes | Property Value |
| Manufacturer | Advanced Micro Devices |
| Product Series | |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Buffer, Non-Inverting |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 15mA, 48mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 20-CDIP (0.300", 7.62mm) |
| Supplier Device Package | 20-CDIP (0.300", 7.62mm) |
The SN54S241/BRA is a dual non-inverting buffer from the 54S Schottky TTL family, designed for high-speed 5V logic systems. It features 3-State outputs for bus-oriented applications and provides a strong output current capability of 15mA source and 48mA sink. Housed in a 20-pin ceramic DIP, this buffer is suitable for military and high-reliability applications requiring robust performance over a wide temperature range.
- High Sink Current (48mA): Drives heavy capacitive loads and multiple TTL inputs directly.
- 3-State Outputs: Enables connection to shared data buses without contention.
- Wide Temperature Range (-55°C to 125°C): Suitable for harsh environments.
- Schottky Clamped Technology: Provides high-speed switching performance.
Bus Line Driving
The 3-State outputs and high sink current (48mA) make it ideal for driving high-capacitance backplane buses in legacy 5V TTL systems.
Memory Address Buffering
Use it to buffer address lines between a CPU and SRAM/DRAM, ensuring signal integrity over longer PCB traces.
Peripheral Interface Isolation
Isolate peripherals from the data bus when not selected, using the 3-State control to disable outputs.
High-Current LED or Relay Driving
The 48mA sink capability can directly drive multiple LEDs or small relays with external current limiting resistors.
Industrial Control Logic
In legacy industrial equipment, it provides robust signal buffering for 5V TTL logic levels in noisy environments.
Test Equipment Signal Conditioning
Buffers signals from a unit under test to a measurement system without loading the source.
- Q: What is the logic family of the SN54S241/BRA?
- A: This is a standard 54S Schottky TTL logic device, operating at 5V.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to shared buses.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is 4.5V to 5.5V.
- Q: What package is available?
- A: It comes in a 20-pin CDIP (0.300", 7.62mm) ceramic dual-in-line package.
SN54S241/BRA.pdf
- Q: What is the logic family of the SN54S241/BRA?
- A: This is a standard 54S Schottky TTL logic device, operating at 5V.
- Q: What is the function of this IC?
- A: It is a dual (2-channel) non-inverting buffer with 3-State outputs.
- Q: How many channels does it have?
- A: It has 2 independent buffer channels.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for connection to shared buses.
- Q: What is the operating voltage range?
- A: The recommended supply voltage is 4.5V to 5.5V.
- Q: What package is available?
- A: It comes in a 20-pin CDIP (0.300", 7.62mm) ceramic dual-in-line package.