SST25VF040B-80-4I-S2AE-T

Product Overview

Category

The SST25VF040B-80-4I-S2AE-T belongs to the category of Serial Flash Memory.

Use

This product is primarily used for storing and retrieving digital information in electronic devices such as microcontrollers, computers, and consumer electronics.

Characteristics

• High-speed data transfer: The SST25VF040B-80-4I-S2AE-T offers fast read and write speeds, allowing for efficient data access.
• Large storage capacity: With a capacity of 4 megabits (512 kilobytes), this flash memory provides ample space for storing various types of data.
• Low power consumption: The device is designed to operate with minimal power requirements, making it suitable for battery-powered applications.
• Reliable performance: The SST25VF040B-80-4I-S2AE-T ensures data integrity and durability through advanced error correction techniques and wear-leveling algorithms.

Package

The SST25VF040B-80-4I-S2AE-T is available in a small form factor package, which facilitates easy integration into compact electronic devices. It is commonly packaged in a surface mount technology (SMT) package.

Essence

The essence of the SST25VF040B-80-4I-S2AE-T lies in its ability to provide non-volatile storage for digital data, allowing for persistent storage even when power is removed.

Packaging/Quantity

Typically, the SST25VF040B-80-4I-S2AE-T is supplied in reels or trays, depending on the manufacturer's packaging standards. The quantity per reel or tray may vary, but it is commonly available in quantities of 250 or 1000 units.

Specifications

• Manufacturer: Microchip Technology Inc.
• Part Number: SST25VF040B-80-4I-S2AE-T
• Memory Type: Serial Flash
• Capacity: 4 Megabits (512 Kilobytes)
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 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 SST25VF040B-80-4I-S2AE-T has a total of 8 pins, which are assigned specific functions:

1. Chip Select (/CS): This pin is used to enable or disable the device for communication.
2. Serial Clock (SCK): The SCK pin provides the clock signal for synchronous data transfer.
3. Serial Data Input (SI): This pin receives data from the external device during write operations.
4. Serial Data Output (SO): The SO pin transmits data from the flash memory during read operations.
5. Write Protect (/WP): When this pin is held at a logic low level, it protects the memory from accidental writes.
6. Hold (/HOLD): The /HOLD pin allows the external device to pause ongoing operations temporarily.
7. VCC: This pin is connected to the power supply (2.7V to 3.6V).
8. Ground (GND): The GND pin is connected to the ground reference of the system.

Functional Features

• Fast Read and Write Operations: The SST25VF040B-80-4I-S2AE-T supports high-speed data transfer, enabling quick access to stored information.
• Sector Erase and Program: It allows individual sectors of the memory to be erased and programmed, providing flexibility in data management.
• Software Protection: The device offers software-based protection mechanisms to prevent unauthorized access and modification of stored data.
• Deep Power-Down Mode: The flash memory can enter a low-power state to conserve energy when not in use.
• Status Register: The SST25VF040B-80-4I-S2AE-T includes a status register that provides information about the device's operating status and configuration.

Advantages and Disadvantages

Advantages

• High-speed data transfer enables efficient read and write operations.
• Large storage capacity accommodates a wide range of applications.
• Low power consumption makes it suitable for battery-powered devices.
• Reliable performance ensures data integrity and durability.
• Flexible sector erase and program functionality allows for efficient data management.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory options.
• Requires an external microcontroller or host device for operation.
• Sensitive to electrostatic discharge (ESD) and requires proper handling precautions.

Working Principles

The SST25VF040B-80-4I-S2AE-T operates based on the Serial Peripheral Interface (SPI) protocol. It uses a combination of clock signals and data lines to facilitate communication between the flash memory and the host device. When data