DS1087LU-450

Overview

• Category: Integrated Circuit
• Use: Clock Generator
• Characteristics: Low power consumption, high frequency accuracy
• Package: LQFP (Quad Flat Package)
• Essence: Programmable clock generator
• Packaging/Quantity: Tape and reel, 250 units per reel

Specifications and Parameters

• Frequency Range: 1Hz to 200MHz
• Supply Voltage: 2.7V to 5.5V
• Operating Temperature: -40°C to +85°C
• Output Types: LVCMOS, LVPECL, LVDS
• Programmable Features: Output frequency, spread spectrum modulation, output drive strength

Pin Configuration

The DS1087LU-450 has a total of 32 pins. The pin configuration is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VDD | Power supply voltage | | 2 | GND | Ground | | 3 | XIN | Crystal oscillator input | | 4 | XOUT | Crystal oscillator output | | 5 | SDA | I2C data input/output | | 6 | SCL | I2C clock input | | ... | ... | ... |

Functional Characteristics

• Flexible frequency programming through I2C interface
• Spread spectrum modulation for reduced electromagnetic interference
• Wide operating voltage range for compatibility with various systems
• Low power consumption for energy-efficient applications
• Multiple output types for versatile connectivity options

Advantages and Disadvantages

Advantages

• High frequency accuracy
• Programmable features for customization
• Low power consumption
• Wide operating temperature range

Disadvantages

• Limited output frequency range
• Requires external crystal oscillator

Applicable Range of Products

The DS1087LU-450 is suitable for various applications that require a programmable clock generator with high frequency accuracy. It can be used in telecommunications, networking equipment, consumer electronics, and industrial control systems.

Working Principles

The DS1087LU-450 utilizes an internal crystal oscillator or an external crystal to generate a stable reference frequency. This reference frequency is then divided and multiplied to produce the desired output frequency. The programmable features allow users to customize the output frequency and other parameters.

Detailed Application Field Plans

1. Telecommunications: Clock synchronization in communication networks.
2. Networking Equipment: Timing and synchronization for routers and switches.
3. Consumer Electronics: Clock generation for audio/video devices.
4. Industrial Control Systems: Timing and synchronization for automation systems.
5. Test and Measurement: Clock generation for precise timing measurements.

Detailed Alternative Models

• DS1086LU-450: Similar specifications and functionality, but different package type (SOIC).
• DS1088LU-450: Higher frequency range (up to 500MHz), but higher power consumption.

5 Common Technical Questions and Answers

1. Q: Can I use an external crystal with the DS1087LU-450? A: Yes, the DS1087LU-450 supports both internal and external crystal oscillators.

2. Q: What is spread spectrum modulation? A: Spread spectrum modulation is a technique used to reduce electromagnetic interference by spreading the energy of the signal over a wider frequency range.

3. Q: Can I program the output drive strength of the DS1087LU-450? A: Yes, the DS1087LU-450 allows programming of the output drive strength to match the requirements of the connected devices.

4. Q: What is the maximum operating temperature of the DS1087LU-450? A: The DS1087LU-450 can operate in temperatures ranging from -40°C to +85°C.

5. Q: Can I use the DS1087LU-450 in battery-powered devices? A: Yes, the DS1087LU-450 has low power consumption, making it suitable for battery-powered applications.

This encyclopedia entry provides an overview of the DS1087LU-450 clock generator, including its basic information, specifications, pin configuration, functional characteristics, advantages and disadvantages, applicable range of products, working principles, detailed application field plans, alternative models, and common technical questions and answers.