SST39SF040-55-4C-WHE

Product Overview

Category

The SST39SF040-55-4C-WHE belongs to the category of Flash Memory.

Use

This product is primarily used for data storage in electronic devices such as computers, smartphones, and digital cameras.

Characteristics

• Non-volatile memory: The SST39SF040-55-4C-WHE retains data even when power is turned off.
• High storage capacity: This flash memory chip has a capacity of 4 megabits (512 kilobytes).
• Fast read and write speeds: The SST39SF040-55-4C-WHE offers high-speed data transfer for efficient operation.
• Durable: With its solid-state design, this flash memory chip is resistant to shock and vibration.
• Low power consumption: The chip is designed to consume minimal power, making it suitable for battery-powered devices.

Package

The SST39SF040-55-4C-WHE is available in a standard 32-pin plastic package.

Essence

The essence of the SST39SF040-55-4C-WHE lies in its ability to provide reliable and high-capacity data storage in various electronic devices.

Packaging/Quantity

This flash memory chip is typically sold in reels or trays containing multiple units. The exact quantity may vary depending on the manufacturer's packaging specifications.

Specifications

• Manufacturer: SST (Silicon Storage Technology)
• Part Number: SST39SF040-55-4C-WHE
• Memory Type: NOR Flash
• Capacity: 4 Megabits (512 Kilobytes)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Package Type: 32-pin Plastic Package

Detailed Pin Configuration

The SST39SF040-55-4C-WHE has a total of 32 pins. The pin configuration is as follows:

1. VCC - Power Supply
2. A0-A18 - Address Inputs
3. DQ0-DQ7 - Data Inputs/Outputs
4. CE# - Chip Enable
5. OE# - Output Enable
6. WE# - Write Enable
7. RP# - Reset/Ready
8. BYTE# - Byte/Word Organization Selection
9. RY/BY# - Ready/Busy Output
10. VSS - Ground

And so on, up to Pin 32.

Functional Features

• Erase and Program Operations: The SST39SF040-55-4C-WHE supports both sector erase and byte program operations.
• Automatic Write Timing: The chip features an internal write timer that simplifies the programming process.
• Hardware Data Protection: This flash memory chip includes hardware protection mechanisms to prevent accidental data corruption during power fluctuations or system failures.
• Software Command Set: The SST39SF040-55-4C-WHE utilizes a standard command set for easy integration into various systems.

Advantages and Disadvantages

Advantages

• High storage capacity allows for ample data storage in electronic devices.
• Fast read and write speeds enable efficient data transfer.
• Durable design ensures reliability even in harsh environments.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to newer flash memory technologies.
• Parallel interface may not be compatible with some modern systems that utilize serial interfaces.

Working Principles

The SST39SF040-55-4C-WHE operates based on the principles of NOR flash memory technology. It uses a grid of memory cells to store data, with each cell capable of holding one bit of information. The data can be written to and read from the memory cells using specific electrical signals sent through the chip's pins.

Detailed Application Field Plans

The SST39SF040-55-4C-WHE is widely used in various electronic devices that require non-volatile data storage. Some common application fields include:

1. Computer Systems: Used for storing BIOS (Basic Input/Output System) firmware and other critical system data.
2. Consumer Electronics: Integrated into digital cameras, smartphones, and portable media players to store user data and firmware.
3. Industrial Control Systems: Employed in programmable logic controllers (PLCs) and other industrial equipment for data storage and firmware updates.
4. Automotive Electronics: Utilized in automotive systems such as infotainment systems, instrument clusters, and engine control units for reliable data storage.

Detailed and Complete Alternative Models

1. SST39VF040-70-4C-NHE: Similar to the SST39SF040-55-4C-WHE but operates at a higher voltage range.
2. AT49BV040B-TU: Flash memory chip with similar capacity and characteristics, manufactured by Atmel Corporation.
3. MX29LV040