CAT25256C8ATR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile memory storage
• Characteristics: High capacity, low power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Serial EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The CAT25256C8ATR has a total of 8 pins, which are as follows:

1. Chip Select (/CS) - Active Low input pin used to enable the device.
2. Serial Clock (SCK) - Input pin for synchronizing data transfer.
3. Serial Data Input (SI) - Input pin for sending data to the device.
4. Serial Data Output (SO) - Output pin for receiving data from the device.
5. Write Protect (/WP) - Input pin used to protect the memory from being written.
6. VCC - Power supply pin (2.5V to 5.5V).
7. Ground (GND) - Ground reference pin.
8. Hold (/HOLD) - Input pin used to pause serial communication.

Functional Features

• High-speed SPI interface for fast data transfer.
• Low power consumption in both active and standby modes.
• Software and hardware write protection options.
• Self-timed programming cycle for easy integration into systems.
• Flexible erase capability with byte or full-chip erase options.

Advantages and Disadvantages

Advantages: - High memory capacity for storing data. - Low power consumption extends battery life in portable devices. - Easy integration into existing systems due to standard SPI interface. - Long data retention period ensures data integrity.

Disadvantages: - Limited endurance of write cycles compared to other memory technologies. - Relatively higher cost per bit compared to larger memory devices. - Requires additional circuitry for voltage level translation if used with lower voltage systems.

Working Principles

The CAT25256C8ATR is based on EEPROM technology, which allows for non-volatile storage of data. It utilizes the Serial Peripheral Interface (SPI) for communication with a microcontroller or other devices. The device can be written to and read from using specific commands sent through the SPI interface. The data is stored in memory cells that can be electrically erased and reprogrammed.

Detailed Application Field Plans

The CAT25256C8ATR is commonly used in various applications, including but not limited to:

1. Automotive: Used for storing vehicle configuration data, mileage, and error codes.
2. Consumer Electronics: Used in smart TVs, set-top boxes, and gaming consoles for firmware storage.
3. Industrial Automation: Used in programmable logic controllers (PLCs) for storing program code and configuration data.
4. Medical Devices: Used for storing patient data, device settings, and calibration information.
5. IoT (Internet of Things): Used in connected devices for storing sensor data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. CAT24C256WI-GT3 - 256 kilobit I2C Serial EEPROM
2. AT25SF041-SSHD-T - 4 megabit SPI Serial Flash Memory
3. M93C86-WMN6TP - 16 kilobit Microwire Serial EEPROM
4. W25Q64FVSSIG - 64 megabit SPI Flash Memory
5. FM24C256-G - 256 kilobit Ferroelectric Random Access Memory (FRAM)

(Note: The above list is not exhaustive and there are many other alternative models available in the market.)

This concludes the encyclopedia entry for CAT25256C8ATR, providing an overview of its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.