SN74ALS258ANSRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: High-speed, low-power, TTL-compatible
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Selects one of eight data inputs based on control signals
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9ns (typical)
• Input Capacitance: 3pF (typical)
• Output Current: ±24mA

Detailed Pin Configuration

The SN74ALS258ANSRE4 has a total of 16 pins. The pin configuration is as follows:

1. A0 - Data Input 0
2. A1 - Data Input 1
3. A2 - Data Input 2
4. A3 - Data Input 3
5. A4 - Data Input 4
6. A5 - Data Input 5
7. A6 - Data Input 6
8. A7 - Data Input 7
9. G - Enable Input
10. Y - Output
11. B - Control Input
12. C - Control Input
13. D - Control Input
14. VCC - Positive Power Supply
15. GND - Ground
16. NC - No Connection

Functional Features

The SN74ALS258ANSRE4 is a data selector/multiplexer IC that allows the selection of one out of eight data inputs based on control signals. It operates at high speed and low power consumption, making it suitable for various applications. The TTL-compatible inputs and outputs ensure compatibility with other TTL logic devices.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - TTL-compatible inputs and outputs - Wide operating temperature range

Disadvantages: - Limited number of data inputs (eight)

Working Principles

The SN74ALS258ANSRE4 works by using the control inputs (B, C, D) to select one of the eight data inputs (A0-A7). The selected data input is then passed through to the output pin (Y) when the enable input (G) is active. When the enable input is inactive, the output remains in a high-impedance state.

Detailed Application Field Plans

The SN74ALS258ANSRE4 can be used in various applications, including:

1. Data multiplexing: Selecting one of multiple data sources for further processing.
2. Address decoding: Selecting a specific memory location based on address inputs.
3. Bus switching: Routing data between different buses or subsystems.
4. Control signal routing: Selecting different control signals based on specific conditions.

Detailed and Complete Alternative Models

1. SN74ALS257ANSRE4: Quad 2-to-1 Data Selector/Multiplexer
2. SN74ALS259ANSRE4: 8-Bit Addressable Latch/Decoder/Demultiplexer
3. SN74ALS256ANSRE4: Dual 4-to-1 Data Selector/Multiplexer
4. SN74ALS251ANSRE4: 8-Line to 1-Line Data Selector/Multiplexer

These alternative models offer similar functionality and can be considered as alternatives to the SN74ALS258ANSRE4 based on specific application requirements.

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