SST25VF020-20-4C-SAE-T

Product Overview

Category

The SST25VF020-20-4C-SAE-T belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital data in electronic devices. It provides non-volatile memory storage, allowing for data retention even when power is removed.

Characteristics

• High-speed performance
• Low power consumption
• Small form factor
• Reliable data retention
• Easy integration into various electronic systems

Package

The SST25VF020-20-4C-SAE-T is available in a surface mount package (SAE-T). This package type ensures easy installation and secure attachment to circuit boards.

Essence

The essence of this product lies in its ability to provide reliable and efficient non-volatile memory storage for electronic devices.

Packaging/Quantity

The SST25VF020-20-4C-SAE-T is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities suitable for both small-scale and large-scale production.

Specifications

• Memory Size: 2 Megabits (256 Kbytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Erase/Program Time: 35ms (typical)
• Data Retention: 100 years (typical)

Detailed Pin Configuration

The SST25VF020-20-4C-SAE-T has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the device when set to a low logic level.
2. Serial Clock (SCK): Provides the clock signal for synchronous communication.
3. Serial Data Input (SI): Transfers data from the microcontroller to the device.
4. Serial Data Output (SO): Transfers data from the device to the microcontroller.
5. Write Protect (/WP): When set to a low logic level, prevents write operations on the memory.
6. Hold (/HOLD): Pauses ongoing operations without resetting the device.
7. VCC: Power supply voltage input.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed data transfer: The SPI interface allows for fast and efficient communication between the device and the microcontroller.
• Flexible erase and program operations: The SST25VF020-20-4C-SAE-T supports sector and bulk erase, as well as byte and page programming.
• Write protection: The write protect pin (/WP) ensures data integrity by preventing accidental writes to the memory.
• Low power consumption: This product is designed to minimize power usage, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages

• Fast data transfer speeds enhance overall system performance.
• Reliable data retention ensures long-term storage of critical information.
• Small form factor allows for easy integration into space-constrained designs.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory options.
• Erase and program times may be slower compared to some other flash memory technologies.
• Higher cost per megabit compared to larger capacity flash memory chips.

Working Principles

The SST25VF020-20-4C-SAE-T utilizes the Serial Peripheral Interface (SPI) to communicate with the microcontroller. It stores data in non-volatile memory cells that can be electrically erased and programmed. The SPI interface enables high-speed data transfer, allowing for efficient read and write operations.

Detailed Application Field Plans

The SST25VF020-20-4C-SAE-T is widely used in various electronic devices and applications, including but not limited to:

1. Consumer Electronics: Used in digital cameras, portable media players, and gaming consoles for data storage.
2. Automotive Systems: Employed in car infotainment systems, instrument clusters, and navigation systems for storing firmware and configuration data.
3. Industrial Control Systems: Utilized in programmable logic controllers (PLCs), human-machine interfaces (HMIs), and industrial automation equipment for data storage and firmware updates.
4. Medical Devices: Integrated into medical equipment such as patient monitors, ultrasound machines, and diagnostic devices for storing patient data and software updates.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: A 4 Megabit Serial Flash Memory with similar specifications and features.
2. MX25L8006EM2I-12G: An 8 Megabit Serial Flash Memory offering higher storage capacity.
3. W25Q64FVSSIG: A 64 Megabit Serial Flash Memory with extended temperature range.

These alternative models provide options with varying capacities and additional