SST39WF1602-90-4C-B3KE

Product Overview

Category

The SST39WF1602-90-4C-B3KE belongs to the category of non-volatile memory devices.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The SST39WF1602-90-4C-B3KE retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 16 megabits (2 megabytes).
• Fast access time: The device provides quick access to stored data with a read access time of 90 nanoseconds.
• Low power consumption: The SST39WF1602-90-4C-B3KE operates at low power levels, making it suitable for battery-powered devices.
• Wide temperature range: It can operate reliably in temperatures ranging from -40°C to 85°C.

Package

The SST39WF1602-90-4C-B3KE is available in a compact surface-mount package, which facilitates easy integration into circuit boards.

Essence

The essence of this product lies in its ability to store and retrieve data reliably, quickly, and efficiently in various electronic applications.

Packaging/Quantity

The SST39WF1602-90-4C-B3KE is typically packaged in reels or trays, with each reel containing a specific quantity of devices. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Type: Flash
• Memory Size: 16 Megabits (2 Megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to 85°C
• Read Access Time: 90 nanoseconds
• Erase/Program Time: Varies depending on the operation

Detailed Pin Configuration

The SST39WF1602-90-4C-B3KE has a total of 8 pins, each serving a specific function:

1. Chip Select (CS): Enables communication with the device when pulled low.
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): When pulled low, prevents write operations.
6. Hold (HOLD): Pauses ongoing operations when pulled low.
7. Ground (GND): Connects to the ground reference of the system.
8. Power Supply (VCC): Supplies power to the device.

Functional Features

• Data Storage: The SST39WF1602-90-4C-B3KE provides reliable and non-volatile storage for various types of data.
• Fast Read Access: With a read access time of 90 nanoseconds, this device allows for quick retrieval of stored information.
• Flexible Interface: The SPI interface enables easy integration with a wide range of microcontrollers and other devices.
• Low Power Consumption: The device operates at low power levels, making it suitable for battery-powered applications.
• Wide Temperature Range: It can withstand extreme temperatures, ensuring reliable performance in harsh environments.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity allows for storing large amounts of data.
• Fast access time enables quick retrieval of information.
• Low power consumption prolongs battery life in portable devices.
• Wide temperature range ensures reliable operation in various environments.

Disadvantages

• Limited erase/program cycles may affect the lifespan of the device.
• Higher cost compared to other types of memory technologies.
• Requires a dedicated SPI interface for communication.

Working Principles

The SST39WF1602-90-4C-B3KE utilizes flash memory technology to store data. It consists of a grid of memory cells, each capable of storing a binary value (0 or 1). These cells are organized into pages and blocks, allowing for efficient read, write, and erase operations.

During a write operation, data is programmed into the memory cells by applying electrical charges. Erasing the memory involves removing the charges from selected cells. The device uses a combination of voltage levels and control signals to perform these operations accurately.

When the microcontroller sends a read command, the SST39WF1602-90-4C-B3KE retrieves the stored data and transfers it back to the microcontroller via the SPI interface.

Detailed Application Field Plans

The SST39WF1602-90-4C-B3KE finds applications in various fields, including:

1. Embedded Systems: Used for firmware storage in microcontrollers and system-on-chip