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LC7940ND from SANYO

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LC7940ND

Manufacturer: SANYO

Dot Matrix LCD Driver

Partnumber Manufacturer Quantity Availability
LC7940ND SANYO 1000 In Stock

Description and Introduction

Dot Matrix LCD Driver The LC7940ND is a dot-matrix LCD driver manufactured by SANYO. Below are its specifications, descriptions, and features based on available factual information:  

### **Specifications:**  
- **Type:** Dot-matrix LCD driver  
- **Segment Outputs:** 80 segments (expandable)  
- **Common Outputs:** 16 commons  
- **Supply Voltage (VDD - VSS):** 2.7V to 5.5V  
- **LCD Drive Voltage (VLCD - VSS):** 3.0V to 9.0V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Interface:** Serial (3-wire or 4-wire)  
- **Package:** SOP (Small Outline Package)  

### **Descriptions:**  
- The LC7940ND is designed for driving dot-matrix LCD panels and supports multiplex drive schemes.  
- It features an internal display RAM (80 × 4 bits) for storing display data.  
- The driver can be cascaded for larger LCD applications.  
- It includes power-saving modes for low-power applications.  

### **Features:**  
- **Expandable Segment Outputs:** Supports up to 640 segments when cascaded.  
- **Built-in Oscillator:** Reduces external component requirements.  
- **Low Power Consumption:** Suitable for battery-operated devices.  
- **Wide Operating Voltage Range:** Compatible with various power supplies.  
- **On-Chip Display RAM:** Stores display data without external memory.  
- **Multiple Display Modes:** Supports static and multiplexed drive modes.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Dot Matrix LCD Driver

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