LE25U40CQH-AH

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Memory

Characteristics: - High-speed data transfer - Low power consumption - Wide operating voltage range - Small form factor

Package: QFN (Quad Flat No-leads)

Essence: The LE25U40CQH-AH is a non-volatile memory IC that offers high-speed data transfer and low power consumption. It is commonly used in various electronic devices for storing data.

Packaging/Quantity: The LE25U40CQH-AH is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Memory Capacity: 4 Megabits (512 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.7V to 3.6V
• Data Transfer Rate: Up to 10 MHz
• Erase/Program Cycle Endurance: 100,000 cycles
• Data Retention: Up to 20 years
• Package Dimensions: 8mm x 6mm x 0.8mm

Detailed Pin Configuration

The LE25U40CQH-AH has a total of 8 pins, which are assigned specific functions:

1. Chip Select (/CS) - Used to enable/disable the device
2. Serial Clock (SCLK) - Provides the clock signal for data transfer
3. Serial Data Input (SI) - Receives data from the microcontroller
4. Serial Data Output (SO) - Transmits data to the microcontroller
5. Write Protect (/WP) - Enables/disables write protection
6. Hold (/HOLD) - Suspends ongoing operations
7. Ground (GND) - Reference ground
8. Power Supply (VCC) - Operating voltage input

Functional Features

• High-speed data transfer: The LE25U40CQH-AH supports a maximum data transfer rate of 10 MHz, allowing for fast read and write operations.
• Low power consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
• Wide operating voltage range: With an operating voltage range of 2.7V to 3.6V, the LE25U40CQH-AH can be used in various electronic systems.
• Small form factor: The QFN package ensures a compact size, enabling space-efficient integration into electronic devices.

Advantages and Disadvantages

Advantages: - High-speed data transfer - Low power consumption - Wide operating voltage range - Compact size

Disadvantages: - Limited memory capacity (4 Megabits)

Working Principles

The LE25U40CQH-AH utilizes the Serial Peripheral Interface (SPI) for communication with a microcontroller. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The SPI interface allows for efficient data transfer between the IC and the microcontroller, enabling read and write operations.

Detailed Application Field Plans

The LE25U40CQH-AH is widely used in various applications, including but not limited to: 1. Consumer electronics: Smartphones, tablets, digital cameras 2. Automotive: Infotainment systems, instrument clusters 3. Industrial automation: Programmable logic controllers (PLCs), human-machine interfaces (HMIs) 4. Medical devices: Patient monitoring systems, diagnostic equipment 5. Internet of Things (IoT): Connected devices, sensors

Detailed and Complete Alternative Models

1. LE25U80CQH-AH: 8 Megabit (1 Megabyte) capacity, otherwise similar specifications
2. LE25U16CQH-AH: 16 Megabit (2 Megabyte) capacity, otherwise similar specifications
3. LE25U32CQH-AH: 32 Megabit (4 Megabyte) capacity, otherwise similar specifications

These alternative models offer increased memory capacity while maintaining similar characteristics and functionality to the LE25U40CQH-AH.

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