Product Description
The SN74LS153N is a dual 4-line to 1-line multiplexer integrated circuit (IC) from Texas Instruments, belonging to the Low Power Schottky (LS) logic family. It is designed to select one of four data inputs and pass it to a single output based on control signals. The IC is ideal for use in digital systems that require efficient data selection and routing.
Key Features:
- Dual 4-to-1 Multiplexer: The SN74LS153N contains two independent 4-input multiplexers. Each multiplexer has four data inputs (D0, D1, D2, D3) and one select input (S1, S0), which control the selection of the data input passed to the output.
- TTL Compatible: Fully compatible with standard TTL (Transistor-Transistor Logic) systems, operating at a 5V supply voltage.
- Low Power Consumption: As part of the LS series, the IC operates with low power consumption, making it suitable for power-efficient designs.
- High-Speed Operation: The IC is capable of high-speed data selection and switching, making it suitable for high-performance digital applications.
- Active LOW Enable Inputs: Each multiplexer has an enable input that must be LOW for the multiplexer to be active. If the enable input is HIGH, the output is disabled and set to a high impedance state.
- Flexible Logic Control: The IC uses 2-bit select inputs to choose between four data inputs, allowing flexibility in controlling data flow in logic circuits.
Applications:
- Data Multiplexing: Ideal for selecting and routing one of four data inputs to a single output in digital systems, often used in communication systems, microprocessor interfacing, and control systems.
- Signal Routing: Used to route different signals to a common bus or output, where only one signal is active at a time based on control logic.
- Control Systems: Can be used in control logic to select one of several input signals for further processing or action.
- Memory Address Decoding: The IC can be used in memory addressing circuits to select specific memory locations or registers.
- Bus Systems: Often used in systems that require multiplexing data over a shared bus or data path.
Pin Configuration:
- Inputs: Each multiplexer has four data inputs (D0 to D3), along with two select inputs (S1, S0) for control.
- Enable Inputs: Each multiplexer has an enable input (G), which must be LOW for the multiplexer to be active.
- Outputs: Each multiplexer has one output (Y), which carries the selected data.
Typical Applications:
- Data Selection: For choosing one data source out of multiple possibilities, commonly used in microcontroller and processor-based systems.
- Bus Multiplexing: Useful in systems that require multiple data channels to be multiplexed onto a single bus for efficient data transmission.
- Control Logic: Ideal for managing signal routing and control in complex digital systems.
The SN74LS153N is a versatile IC used in a wide variety of applications, providing efficient multiplexing and signal control in TTL-compatible logic systems.
