DM74ALS153SJ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Digital Multiplexer/Demultiplexer
• Characteristics: High-speed, TTL Logic, Dual 4-Line to 1-Line Data Selector/Multiplexer
• Package: Ceramic Dual-In-Line Package (DIP)
• Essence: Combines two 4-line to 1-line multiplexers in a single chip
• Packaging/Quantity: Available in tubes or reels, quantity varies based on supplier

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage: 0V to VCC
• Operating Temperature Range: -55°C to +125°C
• Output Current: ±24mA
• Propagation Delay Time: 9ns (typical)
• Power Dissipation: 500mW (max)

Detailed Pin Configuration

The DM74ALS153SJ has a total of 16 pins, which are assigned as follows:

| Pin No. | Name | Description | |---------|------|-------------| | 1 | A0 | Select Input A | | 2 | B0 | Select Input B | | 3 | C0 | Select Input C | | 4 | D0 | Select Input D | | 5 | GND | Ground | | 6 | Y | Output | | 7 | E1 | Enable Input 1 | | 8 | E2 | Enable Input 2 | | 9 | D1 | Select Input D | | 10 | C1 | Select Input C | | 11 | B1 | Select Input B | | 12 | A1 | Select Input A | | 13 | VCC | Positive Supply Voltage | | 14 | D2 | Select Input D | | 15 | C2 | Select Input C | | 16 | B2 | Select Input B |

Functional Features

• Dual 4-line to 1-line data selector/multiplexer
• Can be used as a multiplexer or demultiplexer
• TTL logic compatible inputs and outputs
• High-speed operation with low propagation delay time
• Enables selection of one out of four data inputs

Advantages and Disadvantages

Advantages: - Compact design with two multiplexers in a single chip - High-speed operation allows for efficient data selection - Compatible with TTL logic, making it versatile for various applications

Disadvantages: - Limited to 4-line to 1-line data selection, may not suit complex scenarios - Requires external enable inputs for proper functioning

Working Principles

The DM74ALS153SJ is a dual 4-line to 1-line data selector/multiplexer. It operates by selecting one out of four data inputs based on the select inputs (A0-A1, B0-B1, C0-C2, D0-D2). The selected data is then routed to the output pin (Y). The enable inputs (E1, E2) control the operation of the multiplexer. When both enable inputs are high, the multiplexer is enabled, allowing data selection. When either or both enable inputs are low, the multiplexer is disabled, and the output remains in a high-impedance state.

Detailed Application Field Plans

The DM74ALS153SJ finds applications in various digital systems where data selection or demultiplexing is required. Some potential application fields include: - Data routing in communication systems - Address decoding in memory systems - Arithmetic circuitry in microprocessors - Control signal selection in industrial automation - Data multiplexing in digital audio/video systems

Detailed and Complete Alternative Models

• SN74ALS153N: Similar dual 4-line to 1-line data selector/multiplexer by Texas Instruments
• CD74HCT153E: Dual 4-input multiplexer/demultiplexer by Texas Instruments
• MC74HC153N: Dual 4-input multiplexer/demultiplexer by ON Semiconductor

These alternative models offer similar functionality and can be used as substitutes for the DM74ALS153SJ based on specific requirements.

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