CY14ME256J2-SXI

Product Overview

Category

CY14ME256J2-SXI belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as computers, smartphones, and embedded systems.

Characteristics

• Non-volatile: The CY14ME256J2-SXI retains stored data even when power is removed.
• High capacity: This device offers a storage capacity of 256 megabits (32 megabytes).
• Fast access time: The CY14ME256J2-SXI provides quick read and write operations, ensuring efficient data handling.
• Low power consumption: It consumes minimal power during operation, making it suitable for battery-powered devices.
• Durable: The CY14ME256J2-SXI has a high endurance, allowing for frequent read and write cycles without degradation.

Package and Quantity

The CY14ME256J2-SXI is available in a compact surface-mount package. Each package contains one unit of the device.

Specifications

• Storage Capacity: 256 megabits (32 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: Up to 100,000 program/erase cycles

Pin Configuration

The CY14ME256J2-SXI follows a standard pin configuration for SPI memory devices:

1. Chip Select (CS)
2. Serial Clock (SCK)
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 CY14ME256J2-SXI supports fast data transfer rates, allowing for efficient read and write operations.
• Flexible Write Protection: The device includes a write protect pin (WP) that can be used to prevent accidental modification of stored data.
• Hardware Reset: A hardware reset pin (HOLD) is provided to initiate a system reset, ensuring reliable operation.
• Sector Locking: The CY14ME256J2-SXI allows individual sectors to be locked, providing enhanced data security.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Durable and reliable
• Flexible write protection options

Disadvantages

• Relatively higher cost compared to other memory technologies
• Limited endurance compared to some other non-volatile memory types

Working Principles

The CY14ME256J2-SXI utilizes Flash memory technology to store data. It employs a floating gate transistor structure that allows charges to be trapped, representing binary data. When reading data, the charges are sensed and converted back into digital information. During programming or erasing, electrical charges are applied to modify the trapped charges, enabling data modification.

Application Field Plans

The CY14ME256J2-SXI finds applications in various fields, including: 1. Consumer electronics: Used in smartphones, tablets, and digital cameras for data storage. 2. Automotive systems: Employed in infotainment systems, instrument clusters, and navigation devices. 3. Industrial automation: Utilized in control systems, data loggers, and sensor networks. 4. Medical devices: Integrated into medical equipment for data storage and firmware updates. 5. Internet of Things (IoT): Applied in IoT devices for storing configuration data and firmware.

Alternative Models

1. CY14B101P-SFXI: 1 megabit (128 kilobytes) capacity, SPI interface.
2. CY14B256K-SFXI: 256 kilobits (32 kilobytes) capacity, SPI interface.
3. CY14E512J-SFXI: 512 megabits (64 megabytes) capacity, SPI interface.

These alternative models offer different storage capacities to suit various application requirements.

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