CAT25256XI

Product Overview

Category

CAT25256XI belongs to the category of non-volatile memory integrated circuits.

Use

It is primarily used for data storage in various electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: Retains stored data even when power is removed.
• High capacity: Offers a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: Operates on low power, making it suitable for battery-powered devices.
• Fast access time: Provides quick access to stored data.
• Durable: Withstands harsh environmental conditions.

Package

The CAT25256XI is available in a compact package that ensures easy integration into circuit boards. It is commonly found in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of CAT25256XI lies in its ability to store and retrieve data reliably, making it an essential component in electronic devices requiring non-volatile memory.

Packaging/Quantity

The CAT25256XI is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 5.5V
• Access Time: 20 ns (max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. Chip Select (/CS): Enables communication with the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the external device.
4. Serial Data Output (SO): Transmits data to the external device.
5. Write Protect (/WP): Protects the memory from accidental writes.
6. Ground (GND): Common ground reference.
7. Power Supply (VCC): Provides the operating voltage.
8. Hold (/HOLD): Suspends ongoing operations temporarily.

Functional Features

• Byte and Page Write: Allows data to be written in individual bytes or larger page sizes.
• Sequential Read: Enables continuous reading of data from consecutive memory locations.
• Software Protection: Supports write protection using software commands.
• Hardware Protection: Provides hardware protection against accidental writes.
• Erase Capability: Allows erasing of entire memory contents or specific sectors.

Advantages and Disadvantages

Advantages

• Non-volatile nature ensures data retention even during power loss.
• High storage capacity for various applications.
• Low power consumption extends battery life.
• Fast access time enhances overall system performance.
• Durable design withstands challenging environments.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to volatile memory.
• Higher cost per unit compared to some alternative memory options.

Working Principles

The CAT25256XI utilizes the Serial Peripheral Interface (SPI) protocol for communication with external devices. It stores data in non-volatile memory cells, which retain information even when power is removed. The device can be accessed and controlled through specific commands sent via the SPI interface.

Detailed Application Field Plans

The CAT25256XI finds application in a wide range of electronic devices, including but not limited to: - Microcontrollers - Computers - Consumer electronics (e.g., smartphones, tablets) - Automotive systems - Industrial control systems

Its ability to store critical data reliably makes it suitable for applications that require non-volatile memory.

Detailed and Complete Alternative Models

1. AT25DF256: Manufactured by Adesto Technologies, this SPI flash memory offers similar specifications and functionality to the CAT25256XI.
2. M25P32: Produced by STMicroelectronics, this SPI flash memory provides comparable storage capacity and features.
3. 25LC256: Manufactured by Microchip Technology, this serial EEPROM offers a similar storage capacity and interface.

These alternative models can be considered based on specific requirements and availability.

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