SST25VF020B-80-4C-QAE-T

Product Overview

Category

The SST25VF020B-80-4C-QAE-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 data to be retained 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 SST25VF020B-80-4C-QAE-T is available in a compact package, suitable for surface mount technology (SMT) applications. The specific package type is QFN (Quad Flat No-leads).

Essence

The essence of this product lies in its ability to provide reliable and efficient non-volatile memory storage in a small and low-power package.

Packaging/Quantity

The SST25VF020B-80-4C-QAE-T is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

• Memory Size: 2 Megabits (256 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 100,000 cycles
• Data Retention: 20 years
• Erase Time: 35ms (typical)

Detailed Pin Configuration

The SST25VF020B-80-4C-QAE-T has a total of 8 pins, each serving a specific function:

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): Transfers data from the host to the device.
4. Serial Data Output (SO): Transfers data from the device to the host.
5. Write Protect (/WP): Enables or disables write operations.
6. Hold (/HOLD): Suspends ongoing operations temporarily.
7. VCC: Power supply voltage.
8. Ground (GND): Common ground reference.

Functional Features

• High-speed read and write operations
• Sector erase and bulk erase capabilities
• Software and hardware protection mechanisms
• Flexible programming options
• Low power consumption in standby mode
• Fast access times for efficient data retrieval

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into various electronic devices.
• High-speed performance enables quick data transfer.
• Reliable data retention ensures long-term storage of critical information.
• Low power consumption prolongs battery life in portable devices.
• Versatile programming options cater to different application requirements.

Disadvantages

• Limited memory capacity compared to higher-end flash memory products.
• Erase time may be relatively slow for certain applications requiring frequent data updates.
• Higher cost per unit compared to traditional non-volatile memory technologies.

Working Principles

The SST25VF020B-80-4C-QAE-T utilizes the Serial Peripheral Interface (SPI) protocol for communication with the host device. It stores data in a series of memory cells, organized into sectors. The device supports both individual sector erasure and bulk erasure, allowing for efficient management of stored data. The SPI interface facilitates high-speed data transfer between the host and the flash memory, enabling fast read and write operations.

Detailed Application Field Plans

The SST25VF020B-80-4C-QAE-T finds applications in various electronic systems, including but not limited to:

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

Detailed and Complete Alternative Models

1. SST25VF040B-80-4C-QAE-T: Similar to the SST25VF020B-80-4C-QAE-T but with double the memory capacity (4 Megabits).
2. SST25VF080B-80-4C-QAE-T: Offers 8 Megabits of memory capacity, suitable for applications requiring larger storage space.
3. SST25VF016B-80-4C-QAE-T: Provides 16 Megabits of memory, catering to applications demanding higher storage requirements.

These alternative models offer increased memory capacity while maintaining similar characteristics and functionality to the SST25VF020B