LE25U40CMDTWG

The LE25U40CMDTWG is a 4Mbit SPI serial flash memory IC with a wide operating voltage range and high-speed data transfer capabilities. It is designed for use in various embedded systems and IoT devices where non-volatile memory storage is required.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• CS: Chip Select
• SO: Serial Data Output
• WP: Write Protect
• GND: Ground
• SI: Serial Data Input
• SCK: Serial Clock Input
• VCC: Power Supply

Circuit Diagram

Include a circuit diagram showing the connections required for interfacing the LE25U40CMDTWG in a system for data storage.

Key Features

• 4Mbit Capacity: Offers 4Mbit of non-volatile storage space for program and data storage.
• SPI Interface: Utilizes the Serial Peripheral Interface for high-speed data transfer.
• Wide Voltage Range: Supports operation from 2.5V to 5.5V, accommodating various system voltage levels.
• Low Power Consumption: Designed for energy-efficient applications with low standby and active power consumption.
• Programmable Write Protection: Includes a write protect pin for hardware protection of stored data.

Note: Consult the LE25U40CMDTWG datasheet for detailed technical specifications.

Application

• Embedded Systems: Ideal for storing program code and data in embedded systems.
• IoT Devices: Suitable for use in IoT devices requiring non-volatile memory storage.
• Data Logging: Used in data logging applications where persistent data storage is necessary.

Functionality

The LE25U40CMDTWG is a SPI serial flash memory IC that provides reliable non-volatile storage for various applications, ensuring data persistence and integrity.

Usage Guide

• Power Supply: Connect VCC (Pin 7) to the power supply within the specified voltage range.
• Interface Connections: Connect SI, SO, SCK, CS pins to the corresponding MCU or controller pins for data transfer.
• Write Protection: Use the WP pin to control write protection for stored data as needed.

Frequently Asked Questions

Q: Can the LE25U40CMDTWG be cascaded for higher capacity?
A: The LE25U40CMDTWG does not support cascade connection for increased capacity. It is designed as a standalone 4Mbit memory IC.

Q: Is the LE25U40CMDTWG compatible with 1.8V systems?
A: While the LE25U40CMDTWG officially supports a voltage range from 2.5V to 5.5V, it may operate in some cases at 1.8V with restricted performance.