LE25U40CQE-AH

Product Overview

Category

LE25U40CQE-AH belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing data in electronic devices such as microcontrollers, digital cameras, and consumer electronics.

Characteristics

• Non-volatile memory: Retains data even when power is turned off.
• High storage capacity: The LE25U40CQE-AH has a storage capacity of 4 megabits (512 kilobytes).
• Serial interface: Uses a serial communication protocol for data transfer.
• Low power consumption: Designed to operate with minimal power requirements.
• Fast read and write speeds: Enables quick access to stored data.

Package

The LE25U40CQE-AH is available in a compact SOP8 package.

Essence

The essence of LE25U40CQE-AH lies in its ability to provide reliable and high-capacity data storage in a small form factor.

Packaging/Quantity

The product is typically packaged in reels or tubes, with each containing a specific quantity of LE25U40CQE-AH chips. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Write Endurance: 100,000 cycles

Detailed Pin Configuration

The LE25U40CQE-AH features an 8-pin Small Outline Package (SOP8) with the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCLK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. Ground (GND)
8. Power Supply (VCC)

Functional Features

• High-speed data transfer: The LE25U40CQE-AH supports a maximum clock frequency of 104 MHz, enabling fast read and write operations.
• Sector erase and byte programming: Allows for flexible data manipulation at the sector or byte level.
• Software and hardware protection: Provides options to protect specific memory areas from accidental modification or unauthorized access.
• Low power consumption: Designed to minimize power consumption during both active and standby modes.

Advantages and Disadvantages

Advantages

• Compact form factor
• High storage capacity
• Fast data transfer speeds
• Low power consumption
• Flexible data manipulation options

Disadvantages

• Limited endurance (100,000 write cycles)
• Relatively higher cost compared to other non-volatile memory options

Working Principles

The LE25U40CQE-AH utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in non-volatile memory cells that retain information even when power is turned off. The SPI interface allows for high-speed data transfer between the host device and the memory chip.

Detailed Application Field Plans

The LE25U40CQE-AH finds applications in various electronic devices, including but not limited to: - Microcontrollers - Digital cameras - Set-top boxes - Smartphones - Printers - Automotive electronics

Detailed and Complete Alternative Models

1. LE25U40CMC-AH
2. LE25U40CMD-AH
3. LE25U40CMF-AH
4. LE25U40CMG-AH
5. LE25U40CMH-AH

These alternative models offer similar specifications and functionality to the LE25U40CQE-AH, providing options for different package types or additional features.

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