SST39VF400A-70-4C-M1QE

Product Overview

Category

The SST39VF400A-70-4C-M1QE belongs to the category of Flash Memory.

Use

This product is commonly used for storing and retrieving digital information in various electronic devices, such as computers, smartphones, and embedded systems.

Characteristics

• Non-volatile: The data stored in the SST39VF400A-70-4C-M1QE remains intact even when power is removed.
• High storage capacity: This flash memory chip has a capacity of 400 megabits (50 megabytes).
• Fast access time: With a speed of 70 nanoseconds, it allows for quick read and write operations.
• Low power consumption: The SST39VF400A-70-4C-M1QE is designed to minimize energy usage, making it suitable for battery-powered devices.
• Reliable and durable: It can withstand multiple read and write cycles without significant degradation in performance.

Package and Quantity

The SST39VF400A-70-4C-M1QE is available in a surface-mount package. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Essence

The essence of the SST39VF400A-70-4C-M1QE lies in its ability to provide reliable and high-capacity non-volatile storage for electronic devices.

Specifications

• Manufacturer: Microchip Technology Inc.
• Part Number: SST39VF400A-70-4C-M1QE
• Memory Type: Flash
• Capacity: 400 Megabits (50 Megabytes)
• Access Time: 70 Nanoseconds
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Interface: Parallel
• Package Type: Surface Mount
• Pin Count: 48

Detailed Pin Configuration

The SST39VF400A-70-4C-M1QE has a total of 48 pins. The pin configuration is as follows:

1. VCC - Power Supply
2. A0-A18 - Address Inputs
3. DQ0-DQ15 - Data Inputs/Outputs
4. WE# - Write Enable
5. CE# - Chip Enable
6. OE# - Output Enable
7. RP# - Reset/Protection
8. RY/BY# - Ready/Busy
9. WP#/ACC - Write Protect/Acceleration
10. VSS - Ground

Note: The remaining pins are not listed here for brevity.

Functional Features

• Fast Read and Write Operations: The SST39VF400A-70-4C-M1QE offers high-speed data transfer, allowing for efficient read and write operations.
• Sector Erase Capability: It supports sector-based erasure, enabling selective deletion of specific memory sectors.
• Hardware and Software Protection: The chip provides various protection mechanisms to prevent unauthorized access or modification of stored data.
• Compatibility: The SST39VF400A-70-4C-M1QE is designed to be compatible with industry-standard parallel flash memory interfaces.

Advantages and Disadvantages

Advantages

• High storage capacity
• Fast access time
• Low power consumption
• Reliable and durable
• Sector erase capability

Disadvantages

• Limited compatibility with devices that only support serial flash memory interfaces
• Higher cost compared to lower-capacity flash memory chips

Working Principles

The SST39VF400A-70-4C-M1QE utilizes the principles of floating-gate transistors to store digital information. It employs a grid of memory cells, where each cell can hold multiple bits of data. The state of each memory cell is determined by the presence or absence of an electrical charge on its floating gate. By applying appropriate voltage levels, data can be written, read, or erased from the memory cells.

Detailed Application Field Plans

The SST39VF400A-70-4C-M1QE finds applications in various fields, including:

1. Computers and Laptops: It is used for storing BIOS firmware, system software, and other critical data.
2. Smartphones and Tablets: The flash memory chip provides storage for operating systems, applications, and user data.
3. Embedded Systems: It is widely used in embedded devices like microcontrollers, IoT devices, and industrial control systems for program storage and data logging.

Detailed and Complete Alternative Models

1. SST39VF800A-70-4C-M1QE: This model offers double the capacity of the SST39VF400A-70-4C-M1QE, with 800 megabits (100 megabytes) of storage.
2. SST39VF200A-70-4C-M1QE: This