SST25VF040B-80-4I-S2AE
3.3V SPI serial flash memory, 4Mbit capacity, 8-pin SOIC package
Manufacturer： ['sst', 'microchip', 'silicon-storage-technology']
series introduction
# Introduction to the SST25VF040B - 80 - 4I - S2AE Product Series
## 1. Overview
The SST25VF040B - 80 - 4I - S2AE belongs to a high - performance series of Serial Peripheral Interface (SPI) Flash memory products. These flash memories are designed to meet the diverse storage requirements of modern electronic devices, offering a reliable and efficient solution for data storage and retrieval.
## 2. Key Features
### 2.1 Memory Capacity
The SST25VF040B - 80 - 4I - S2AE provides a storage capacity of 4 megabits (512 kilobytes). This capacity is suitable for a wide range of applications, from storing firmware in microcontrollers to holding configuration data in IoT devices. It allows for the storage of relatively large amounts of code and data, enabling more complex functionality in the end - product.
### 2.2 High - Speed Operation
With a maximum clock frequency of 80 MHz, this flash memory series offers high - speed data transfer. The high - speed operation is crucial for applications where quick access to stored data is required, such as in real - time systems. It reduces the latency between the request for data and its retrieval, enhancing the overall performance of the device.
### 2.3 Serial Peripheral Interface (SPI)
The use of the SPI interface simplifies the connection between the flash memory and the host device. SPI is a widely adopted serial communication protocol known for its simplicity, high - speed data transfer capabilities, and ease of implementation. It requires fewer pins compared to parallel interfaces, which helps in reducing the board space and cost of the overall system.
### 2.4 Low Power Consumption
The SST25VF040B - 80 - 4I - S2AE is designed with power efficiency in mind. It has low active and standby power consumption, making it an ideal choice for battery - powered devices such as wearables, wireless sensors, and portable consumer electronics. The low power consumption helps to extend the battery life of these devices, improving their usability and reducing the need for frequent battery replacements.
### 2.5 Multiple Operating Modes
This product series supports multiple operating modes, including standard SPI, dual SPI, and quad SPI. The ability to switch between these modes provides flexibility in different application scenarios. For example, in applications where high - speed data transfer is the top priority, quad SPI mode can be used to achieve faster data rates by transferring data on multiple lines simultaneously.
### 2.6 Hardware and Software Protection
To ensure the integrity of the stored data, the SST25VF040B - 80 - 4I - S2AE offers both hardware and software protection features. Hardware write protection can be enabled using dedicated pins, preventing accidental or unauthorized writes to the memory. Software protection mechanisms, such as sector - based write protection, allow for more fine - grained control over which parts of the memory can be written to.
## 3. Package and Physical Characteristics
### 3.1 Package Type
The SST25VF040B - 80 - 4I - S2AE is available in a 4 - pin SOP (Small Outline Package) form factor. The SOP package is a popular choice in the electronics industry due to its compact size and ease of soldering onto printed circuit boards (PCBs). It is suitable for applications where space is limited, such as in small - form - factor devices like smart cards and earbud - style wireless headphones.
### 3.2 Temperature Range
This product series is designed to operate within a wide temperature range, typically from - 40°C to 85°C. This wide
Images for reference
8-SOIC
8-SOIC
Image Preview