MC74AC259D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital multiplexer/demultiplexer
• Characteristics: High-speed, low-power consumption
• Package: DIP (Dual In-line Package)
• Essence: 8-bit addressable latch with three-state outputs
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature: -40°C to +85°C
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Propagation Delay: 7ns (typical)
• Output Current: ±24mA
• Pin Count: 16

Detailed Pin Configuration

1. A0: Address input bit 0
2. A1: Address input bit 1
3. A2: Address input bit 2
4. A3: Address input bit 3
5. A4: Address input bit 4
6. A5: Address input bit 5
7. A6: Address input bit 6
8. A7: Address input bit 7
9. G: Enable input (active LOW)
10. Q0: Output bit 0
11. Q1: Output bit 1
12. Q2: Output bit 2
13. Q3: Output bit 3
14. Q4: Output bit 4
15. Q5: Output bit 5
16. Q6: Output bit 6
17. Q7: Output bit 7
18. VCC: Positive supply voltage
19. GND: Ground

Functional Features

• 8-bit addressable latch with three-state outputs
• Can be used as a multiplexer or demultiplexer
• High-speed operation with low power consumption
• Three-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing - Low power consumption helps in reducing energy usage - Three-state outputs provide flexibility in bus sharing scenarios

Disadvantages: - Limited number of addressable latch bits (8-bit) - DIP package may not be suitable for space-constrained applications

Working Principles

The MC74AC259D is an 8-bit addressable latch with three-state outputs. It can be used as a multiplexer or demultiplexer, depending on the application requirements. The device operates at high speed while consuming low power. The latch allows data to be stored and outputted based on the address inputs provided. The three-state outputs enable multiple devices to share a common bus, providing flexibility in system design.

Detailed Application Field Plans

The MC74AC259D finds applications in various fields, including:

1. Data communication systems
2. Digital signal processing
3. Microcontroller-based systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74AC259: Similar 8-bit addressable latch with three-state outputs, offered by Texas Instruments.
2. CD74AC259: Another alternative from Texas Instruments, providing similar functionality.

These alternative models offer similar features and can be considered as substitutes for the MC74AC259D.

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