SN74LS259BNSR

Product Overview

Category

SN74LS259BNSR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a 8-bit addressable latch with 3-state outputs.

Characteristics

• 8-bit addressable latch
• 3-state outputs
• Low power consumption
• High-speed operation
• Wide operating voltage range

Package

SN74LS259BNSR is available in a small-outline package (SOP) with a surface mount option.

Essence

The essence of SN74LS259BNSR lies in its ability to store and control data, making it an essential component in digital systems.

Packaging/Quantity

SN74LS259BNSR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 4.75V to 5.25V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to 85°C
• Maximum Clock Frequency: 33 MHz

Detailed Pin Configuration

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. MR (Master Reset)
11. CP (Clock Pulse)
12. PL (Parallel Load)
13. Q0 (Output 0)
14. Q1 (Output 1)
15. Q2 (Output 2)
16. Q3 (Output 3)
17. Q4 (Output 4)
18. Q5 (Output 5)
19. Q6 (Output 6)
20. Q7 (Output 7)
21. VCC (Supply Voltage)

Functional Features

• Addressable latch with 8-bit storage
• 3-state outputs for bus sharing
• Master reset for clearing the latch
• Parallel load capability for synchronous operation
• High-speed operation for efficient data handling

Advantages and Disadvantages

Advantages

• Low power consumption
• Wide operating voltage range
• High-speed operation
• Compact package size
• Suitable for various digital applications

Disadvantages

• Limited output current capacity
• Requires external components for complete functionality
• Not suitable for high-frequency applications

Working Principles

SN74LS259BNSR operates by storing data in its 8-bit addressable latch. The latch can be controlled using clock pulses and parallel loading. The stored data can be accessed through the 3-state outputs, allowing for bus sharing. The master reset feature clears the latch, enabling a fresh start.

Detailed Application Field Plans

SN74LS259BNSR finds applications in various fields, including: 1. Microcontrollers 2. Digital signal processing 3. Data storage systems 4. Communication devices 5. Industrial automation

Detailed and Complete Alternative Models

1. SN74LS259D - DIP package variant of SN74LS259BNSR
2. CD74HC259E - High-speed CMOS alternative
3. 74HC259N - Standard TTL compatible alternative
4. MC14599B - BCD to decimal decoder alternative

These alternative models offer similar functionality and can be used as replacements for SN74LS259BNSR depending on specific requirements.

In conclusion, SN74LS259BNSR is a versatile 8-bit addressable latch with 3-state outputs. Its low power consumption, high-speed operation, and wide operating voltage range make it suitable for various digital applications. However, it has limitations in terms of output current capacity and high-frequency applications. With its compact package size and functional features, SN74LS259BNSR is widely used in microcontrollers, data storage systems, and communication devices, among others. Alternative models such as SN74LS259D, CD74HC259E, 74HC259N, and MC14599B provide options for different design requirements.