74LV259D,112

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Selector/Multiplexer
• Characteristics: Low-voltage, 8-bit, addressable latch with 3-state outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The 74LV259D,112 is a versatile IC that allows for efficient data selection and multiplexing in various electronic applications.
• Packaging/Quantity: Available in reels of 2,500 units or tubes of 90 units.

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: 2.4V (min) at IOH = -4mA
• Low-Level Output Voltage: 0.4V (max) at IOL = 4mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The 74LV259D,112 has a total of 16 pins, which are assigned as follows:

1. A0: Address Input 0
2. A1: Address Input 1
3. A2: Address Input 2
4. A3: Address Input 3
5. G1: Enable Input
6. G2A: Enable Input
7. G2B: Enable Input
8. D0: Data Input/Output 0
9. D1: Data Input/Output 1
10. D2: Data Input/Output 2
11. D3: Data Input/Output 3
12. D4: Data Input/Output 4
13. D5: Data Input/Output 5
14. D6: Data Input/Output 6
15. D7: Data Input/Output 7
16. VCC: Supply Voltage

Functional Features

• Addressable Latch: Allows for individual selection of data inputs and outputs.
• 3-State Outputs: Provides the ability to disconnect the outputs from the bus, allowing multiple devices to share the same bus lines.
• Low-Voltage Operation: Can operate at low supply voltages, making it suitable for battery-powered applications.
• High-Speed Operation: Capable of handling high-frequency signals, ensuring efficient data processing.

Advantages and Disadvantages

Advantages: - Versatile functionality for data selection and multiplexing. - Low-voltage operation enables use in various electronic devices. - 3-state outputs allow for efficient bus sharing. - High-speed operation ensures quick data processing.

Disadvantages: - Limited number of address inputs (4 bits). - May require additional external components for certain applications. - Sensitive to electrostatic discharge (ESD) and proper handling precautions are necessary.

Working Principles

The 74LV259D,112 operates by using the address inputs (A0-A3) to select one of the eight data inputs (D0-D7). The selected data is then latched and available at the corresponding output. The enable inputs (G1, G2A, G2B) control the operation of the latch and the output states. When the enable inputs are active, the latch is transparent, allowing the data inputs to pass through to the outputs. When the enable inputs are inactive, the latch holds the last data input and the outputs are in a high-impedance state.

Detailed Application Field Plans

The 74LV259D,112 finds applications in various fields, including:

1. Digital Communication Systems: Used for data routing and switching in communication networks.
2. Industrial Automation: Enables efficient control and selection of data in automated systems.
3. Consumer Electronics: Utilized in devices such as TVs, set-top boxes, and audio equipment for data processing and selection.
4. Automotive Electronics: Enables data multiplexing in automotive control systems.
5. Medical Equipment: Used for data selection and routing in medical devices.

Alternative Models

• 74HC259D,112: Similar functionality but operates at a higher voltage range (2V to 6V).
• CD74HC259E: Equivalent IC from a different manufacturer with similar specifications.
• SN74LV259ADR: Another alternative with extended temperature range (-55°C to +125°C).

Note: These are just a few examples; there are several other alternative models available in the market.

This encyclopedia entry provides an overview of the 74LV259D,112 integrated circuit, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.