SST39LF040-55-4I-WHE

Product Overview

Category

The SST39LF040-55-4I-WHE belongs to the category of Flash Memory.

Use

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

Characteristics

• Non-volatile memory: The SST39LF040-55-4I-WHE retains stored data even when power is removed.
• High storage capacity: This flash memory chip has a capacity of 4 megabits (512 kilobytes).
• Fast read and write speeds: The SST39LF040-55-4I-WHE offers high-speed data transfer, allowing for quick access to stored information.
• Low power consumption: It is designed to operate efficiently with minimal power requirements.
• Wide operating temperature range: This flash memory chip can function reliably in temperatures ranging from -40°C to 85°C.

Package and Essence

The SST39LF040-55-4I-WHE comes in a small form factor package, commonly known as an Integrated Circuit (IC) or chip. The essence of this product lies in its ability to store and retrieve digital data reliably and efficiently.

Packaging/Quantity

Typically, the SST39LF040-55-4I-WHE is packaged in reels or trays, containing multiple chips. The exact quantity may vary depending on the manufacturer's specifications and customer requirements.

Specifications

• Manufacturer: Microchip Technology Inc.
• Part Number: SST39LF040-55-4I-WHE
• Memory Type: Flash
• Memory Size: 4 Megabits (512 Kilobytes)
• Supply Voltage: 2.7V - 3.6V
• Interface: SPI (Serial Peripheral Interface)
• Operating Temperature Range: -40°C to 85°C
• Package Type: 32-pin TSOPII

Detailed Pin Configuration

The SST39LF040-55-4I-WHE has a total of 32 pins. Here is the detailed pin configuration:

1. VCC - Power supply voltage
2. /CS - Chip select input
3. SCK - Serial clock input
4. SI - Serial data input
5. SO - Serial data output
6. WP#/ACC - Write protect or Acceleration input
7. HOLD#/RESET# - Hold or Reset input 8-15. A0-A7 - Address inputs 16-31. DQ0-DQ15 - Data inputs/outputs
8. GND - Ground

Functional Features

• Erase and Program Operations: The SST39LF040-55-4I-WHE supports both sector erase and byte program operations, allowing for flexible data manipulation.
• Hardware Write Protection: It provides hardware-based write protection to prevent accidental modification or deletion of stored data.
• High Reliability: This flash memory chip offers high endurance and data retention capabilities, ensuring long-term reliability.
• Error Correction Code (ECC): The SST39LF040-55-4I-WHE incorporates ECC algorithms to detect and correct errors during data read operations, enhancing data integrity.

Advantages and Disadvantages

Advantages

• Compact size and high storage capacity
• Fast read and write speeds
• Low power consumption
• Wide operating temperature range
• Hardware write protection for data security
• High reliability and endurance

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory chips
• Requires an external controller for interfacing with other devices

Working Principles

The SST39LF040-55-4I-WHE utilizes the principles of Flash Memory technology. It consists of floating-gate transistors that can store electrical charges, representing digital data. The data can be written (programmed) or erased using specific voltage levels applied to the memory cells. During read operations, the stored charges are detected and converted back into digital information.

Detailed Application Field Plans

The SST39LF040-55-4I-WHE finds applications in various electronic devices and systems, including but not limited to: - Computer motherboards - Solid-State Drives (SSDs) - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

1. SST39VF080-70-4C-NHE: 8 Megabit Flash Memory with higher storage capacity.
2. AT25SF041-SSHD-T: 4 Megabit Serial Flash Memory with similar specifications.
3. W25Q32JVSSIQ: 32 Megabit Serial Flash Memory with larger storage capacity.

These alternative models offer different features and specifications, providing options based on specific application requirements.

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