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| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | |
| 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 | 100µA, 25mA |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC (0.295", 7.50mm Width) |
The ML65541CS from Fairchild Semiconductor is a single-channel, non-inverting buffer with 3-State output, designed for 5V systems. It operates from 4.75V to 5.25V and can sink or source up to 25mA, making it suitable for driving buses and capacitive loads. The 3-State output allows for bus multiplexing and isolation. Housed in a 20-SOIC package, this buffer is ideal for memory interfacing, industrial controls, and general-purpose signal buffering in 5V logic systems.
- 3-State Output: Enables bus sharing and multiplexing, preventing data contention in multi-device systems.
- High Drive Current (25mA): Can drive heavy capacitive loads and multiple inputs, improving signal integrity.
- Non-Inverting Buffer: Preserves signal polarity, simplifying logic design and debugging.
- 5V Operation (4.75V-5.25V): Compatible with standard TTL and 5V CMOS logic levels.
5V Bus Interfacing
Use the ML65541CS to buffer and drive 5V data buses. Its 3-State output allows multiple devices to share the bus without contention, and the non-inverting function preserves signal polarity.
Signal Buffering for Legacy Systems
In legacy 5V digital systems, this buffer provides fan-out and signal conditioning, ensuring clean logic levels when driving multiple loads or long traces.
Memory Address/Data Driving
Buffer address and data lines to SRAM or peripheral ICs. The 25mA sink/source capability can drive capacitive loads, improving signal integrity in memory subsystems.
Industrial Control Outputs
Drive control signals to relays, LEDs, or other loads in industrial equipment. The 3-State output enables multiplexing of control lines from a central controller.
Test Equipment and Instrumentation
Use as a buffer for test points or to isolate sensitive circuitry from probing. The 3-State feature allows the probe to be disconnected from the circuit under test.
- Q: What is the logic family of the ML65541CS?
- A: The ML65541CS is a Fairchild Semiconductor buffer, not tied to a specific 74-series logic family.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting buffer with 3-State output.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What is the output type?
- A: The output is 3-State, allowing high-impedance for bus sharing.
- Q: What is the supply voltage range?
- A: It operates from 4.75V to 5.25V, making it suitable for 5V systems.
- Q: What package is available?
- A: It comes in a 20-SOIC (7.50mm width) package.
ML65541CS.pdf
- Q: What is the logic family of the ML65541CS?
- A: The ML65541CS is a Fairchild Semiconductor buffer, not tied to a specific 74-series logic family.
- Q: What is the function of this IC?
- A: It is a single-channel, non-inverting buffer with 3-State output.
- Q: How many channels does it have?
- A: It has 1 channel.
- Q: What is the output type?
- A: The output is 3-State, allowing high-impedance for bus sharing.
- Q: What is the supply voltage range?
- A: It operates from 4.75V to 5.25V, making it suitable for 5V systems.
- Q: What package is available?
- A: It comes in a 20-SOIC (7.50mm width) package.