LC75808W-E

Product Overview

Category: Integrated Circuit (IC)

Use: The LC75808W-E is a versatile IC primarily used for driving liquid crystal displays (LCDs). It provides a convenient solution for controlling and displaying information on various LCD panels.

Characteristics: - High compatibility with different LCD types - Low power consumption - Wide operating voltage range - Built-in display RAM - Multiple display modes - Serial interface for easy communication with microcontrollers

Package: The LC75808W-E is available in a compact and durable package, ensuring ease of integration into electronic devices.

Essence: This IC serves as a crucial component in the efficient operation of LCDs by providing control signals and driving capabilities.

Packaging/Quantity: The LC75808W-E is typically packaged in tape and reel format, with a quantity of 250 units per reel.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Display Data RAM: 80 x 8 bits
• Maximum Segment Outputs: 64
• Maximum Common Outputs: 16
• Serial Interface: 2-wire serial bus (I²C compatible)
• Package Type: QFP (Quad Flat Package)

Detailed Pin Configuration

The LC75808W-E features a total of 64 pins, each serving a specific function. Here is a brief overview of the pin configuration:

1. VDD: Power supply voltage input
2. VSS: Ground
3. SDA: Serial data input/output pin
4. SCL: Serial clock input pin
5. CS: Chip select input
6. RESET: Reset input
7. OSC: Oscillator input
8. V0: LCD contrast adjustment pin 9-16. SEG1-SEG8: Segment outputs 17-32. COM1-COM16: Common outputs 33-64. Reserved for future use

For a more detailed pin configuration diagram, please refer to the LC75808W-E datasheet.

Functional Features

The LC75808W-E offers several functional features that enhance its usability and performance:

1. Display Control: The IC supports various display modes, including static, blinking, scrolling, and animation, allowing for versatile information presentation.
2. Built-in Display RAM: With an integrated display RAM, the LC75808W-E simplifies the process of storing and updating display data.
3. Serial Interface: The 2-wire serial bus interface enables seamless communication with microcontrollers, facilitating easy integration into existing systems.
4. Low Power Consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered devices.
5. Wide Operating Voltage Range: The LC75808W-E can operate within a wide voltage range, ensuring compatibility with different power supply configurations.

Advantages and Disadvantages

Advantages: - High compatibility with various LCD types - Versatile display control options - Low power consumption - Easy integration with microcontrollers - Wide operating voltage range

Disadvantages: - Limited maximum segment and common outputs - Requires external contrast adjustment circuitry

Working Principles

The LC75808W-E operates by receiving control signals and display data from a microcontroller through the serial interface. It then processes this information and generates appropriate drive signals for the connected LCD panel. By controlling the segment and common outputs, the IC can selectively activate specific segments on the LCD, resulting in the desired information being displayed.

Detailed Application Field Plans

The LC75808W-E finds applications in various fields where LCD displays are utilized, including but not limited to: - Consumer electronics (e.g., digital clocks, calculators) - Automotive displays (e.g., car radios, dashboard indicators) - Industrial equipment (e.g., control panels, measurement devices) - Medical devices (e.g., patient monitors, diagnostic equipment)

Detailed and Complete Alternative Models

While the LC75808W-E offers a range of features and capabilities, there are alternative ICs available that cater to specific requirements. Some notable alternatives include: - LC75801: Similar functionality with reduced segment and common outputs - LC75822: Enhanced display control options with increased memory capacity - LC75853: Higher segment and common output count for larger LCD panels

These alternative models provide flexibility in choosing the most suitable IC based on specific project needs.

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