SST25PF040CT-40V/NP

Product Overview

Category

The SST25PF040CT-40V/NP belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems, such as microcontrollers and embedded systems.

Characteristics

• Non-volatile: The SST25PF040CT-40V/NP retains stored data even when power is removed.
• High-speed operation: It offers fast read and write access times.
• Low power consumption: The device operates efficiently, consuming minimal power.
• Wide temperature range: It can function reliably across a broad temperature spectrum.
• Small form factor: The SST25PF040CT-40V/NP is available in a compact package, making it suitable for space-constrained applications.

Package and Quantity

The SST25PF040CT-40V/NP is packaged in a standard surface mount package. It is typically sold in reels or trays containing multiple units.

Specifications

• Memory capacity: 4 megabits (512 kilobytes)
• Operating voltage: 2.7V to 3.6V
• Operating temperature range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Data retention: Up to 100 years
• Endurance: Up to 100,000 write cycles

Pin Configuration

The SST25PF040CT-40V/NP has a total of 8 pins, which are assigned specific functions:

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

Functional Features

• High-speed data transfer: The SST25PF040CT-40V/NP supports fast read and write operations, allowing for efficient data handling.
• Flexible write protection: The device offers write protection functionality, preventing accidental modification or erasure of stored data.
• Sector erase capability: It allows for selective erasure of specific memory sectors, enabling efficient memory management.
• Software and hardware protection options: The SST25PF040CT-40V/NP provides multiple methods to protect sensitive data from unauthorized access.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Fast operation speeds enhance overall system performance.
• Low power consumption prolongs battery life in portable devices.
• Wide temperature range enables reliable operation in various environments.
• Compact form factor facilitates integration into space-constrained designs.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per unit compared to some alternative memory solutions.
• Limited endurance may be a concern in applications with frequent write operations.

Working Principles

The SST25PF040CT-40V/NP utilizes flash memory technology to store and retrieve data. It employs a Serial Peripheral Interface (SPI) for communication with the host microcontroller. When data is written, the device electrically charges specific memory cells to represent the stored information. During read operations, the charged cells are sensed and their states are translated back into data.

Detailed Application Field Plans

The SST25PF040CT-40V/NP finds application in various fields, including but not limited to: 1. Consumer electronics: Used in devices like smartphones, tablets, and digital cameras for data storage. 2. Automotive systems: Employed in automotive electronics for storing configuration data, firmware, and event logs. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) and industrial control systems for data storage and firmware updates. 4. Medical devices: Integrated into medical equipment for storing patient data, device configurations, and software updates.

Detailed Alternative Models

1. AT25SF041-SSHD-T: A similar 4-megabit SPI flash memory device manufactured by Adesto Technologies.
2. MX25L4006E: A 4-megabit SPI flash memory device produced by Macronix International.
3. W25Q40FW: Another 4-megabit SPI flash memory device manufactured by Winbond Electronics Corporation.

These alternative models offer comparable specifications and functionality to the SST25PF040CT-40V/NP, providing options for different sourcing requirements and design considerations.

In conclusion, the SST25PF040CT-40V/NP is a non-volatile memory device with high-speed operation, low power consumption, and a compact form factor. It finds application in various industries