SST25VF020A-25-4C-ZAE

Product Overview

Category

The SST25VF020A-25-4C-ZAE belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital data in electronic devices such as microcontrollers, embedded systems, and other applications that require non-volatile memory storage.

Characteristics

• High-speed performance: The SST25VF020A-25-4C-ZAE offers fast read and write operations, making it suitable for time-critical applications.
• Large storage capacity: With a capacity of 2 megabits (256 kilobytes), this flash memory chip provides ample space for data storage.
• Low power consumption: The device operates at low voltage levels, resulting in energy-efficient performance.
• Reliable data retention: The SST25VF020A-25-4C-ZAE ensures long-term data integrity with its robust design and high-quality components.

Package

The SST25VF020A-25-4C-ZAE is available in a compact surface-mount package, which facilitates easy integration into various electronic circuits.

Essence

As a Serial Flash Memory, the SST25VF020A-25-4C-ZAE plays a crucial role in enabling data storage and retrieval in electronic devices, ensuring efficient operation and reliable performance.

Packaging/Quantity

This product is typically supplied in reels or trays, depending on the manufacturer's packaging standards. The exact quantity per package may vary, but it is commonly available in quantities suitable for both prototyping and mass production.

Specifications

• Manufacturer: Microchip Technology Inc.
• Part Number: SST25VF020A-25-4C-ZAE
• Memory Type: Serial Flash
• Capacity: 2 Megabits (256 Kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The SST25VF020A-25-4C-ZAE features an 8-pin package with the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SI/SO)
4. Write Protect (/WP)
5. Hold (/HOLD)
6. VCC (Power Supply)
7. Ground (GND)
8. Not Connected (NC)

Functional Features

• High-speed read and write operations
• Sector erase capability for efficient data management
• Software and hardware protection mechanisms to prevent unauthorized access or modification of stored data
• Flexible programming options, including byte programming and page programming
• Efficient power management features, such as deep power-down mode and standby current reduction

Advantages and Disadvantages

Advantages

• Fast read and write operations enhance overall system performance.
• Large storage capacity accommodates a wide range of applications.
• Low power consumption prolongs battery life in portable devices.
• Reliable data retention ensures long-term integrity of stored information.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory chips.
• Higher cost per megabit compared to larger capacity options.
• Requires additional circuitry for proper integration into electronic systems.

Working Principles

The SST25VF020A-25-4C-ZAE utilizes the Serial Peripheral Interface (SPI) protocol to communicate with the host device. It stores data in non-volatile memory cells that can be electrically programmed and erased. The SPI interface allows for fast and efficient data transfer between the host device and the flash memory chip.

When data needs to be stored, the host device sends commands and data to the SST25VF020A-25-4C-ZAE through the SPI interface. The chip then writes the data into the appropriate memory cells. Similarly, when data needs to be retrieved, the host device sends read commands to the chip, which returns the requested data via the SPI interface.

Detailed Application Field Plans

The SST25VF020A-25-4C-ZAE finds applications in various fields, including:

1. Microcontroller-based systems: Used for program storage, firmware updates, and data logging.
2. Embedded systems: Provides non-volatile memory storage for configuration settings, calibration data, and system parameters.
3. Industrial automation: Enables data storage for process control, monitoring, and diagnostics.
4. Automotive electronics: Used for storing critical data, such as engine management information, sensor calibration, and firmware updates.
5. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for firmware storage and software updates.

Detailed and Complete Alternative Models

1. Winbond W25Q16JVZPIQ - 16 Megabit Serial Flash Memory with similar characteristics