SST39WF400B-70-4C-B3KE

Basic Information Overview

• Category: Flash Memory
• Use: Data storage and retrieval in electronic devices
• Characteristics:
  • Non-volatile memory
  • High-speed read and write operations
  • Low power consumption
  • Wide operating voltage range
• Package: BGA (Ball Grid Array)
• Essence: Reliable and efficient data storage solution
• Packaging/Quantity: Available in reels, quantity depends on customer requirements

Specifications

• Part Number: SST39WF400B-70-4C-B3KE
• Memory Size: 4 Megabits (512 Kbytes)
• Operating Voltage: 2.7V - 3.6V
• Access Time: 70 ns
• Temperature Range: -40°C to +85°C
• Interface: Parallel
• Erase/Program Suspend & Resume Support: Yes
• Sector Architecture: Uniform 4 Kbyte sectors with chip erase capability
• Data Retention: Minimum 20 years

Detailed Pin Configuration

The SST39WF400B-70-4C-B3KE has a total of 48 pins. The pin configuration is as follows:

1. VCC - Power supply voltage
2. A0-A18 - Address inputs
3. DQ0-DQ7 - Data inputs/outputs
4. CE# - Chip enable input
5. OE# - Output enable input
6. WE# - Write enable input
7. RP# - Reset/Power-down input
8. WP# - Write protect input
9. RY/BY# - Ready/Busy output
10. NC - No connection

(Continues for the remaining pins)

Functional Features

• High-speed read and write operations for quick data access
• Low power consumption for energy-efficient operation
• Erase and program suspend/resume support for flexible data management
• Uniform sector architecture with chip erase capability for efficient memory organization
• Reliable data retention of minimum 20 years ensures long-term storage reliability

Advantages

• Fast read and write operations enhance overall system performance
• Low power consumption extends battery life in portable devices
• Suspend/resume support allows for efficient data management
• Uniform sector architecture simplifies memory organization
• Long data retention period ensures reliable storage over time

Disadvantages

• Limited memory size (4 Megabits) may not be sufficient for certain applications requiring larger storage capacity
• Parallel interface may limit compatibility with newer systems that primarily use serial interfaces

Working Principles

The SST39WF400B-70-4C-B3KE is based on Flash memory technology. It utilizes floating-gate transistors to store and retrieve data. The memory cells are organized into sectors, allowing for efficient erasing and programming operations. When data needs to be stored or retrieved, the appropriate address is provided, and the corresponding memory cell is accessed.

Detailed Application Field Plans

The SST39WF400B-70-4C-B3KE is widely used in various electronic devices that require non-volatile data storage. Some common application fields include: - Consumer electronics (e.g., smartphones, tablets, digital cameras) - Automotive systems (e.g., infotainment systems, instrument clusters) - Industrial equipment (e.g., control systems, data loggers) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Detailed and Complete Alternative Models

• SST39VF800A-70-4C-EKE: 8 Megabit Flash Memory, same characteristics and package as SST39WF400B-70-4C-B3KE
• SST39SF010A-70-4C-NHE: 1 Megabit Flash Memory, same characteristics and package as SST39WF400B-70-4C-B3KE
• SST39VF1601-70-4C-EKE: 16 Megabit Flash Memory, same characteristics and package as SST39WF400B-70-4C-B3KE

(Note: These alternative models are provided for reference and may have different memory sizes or additional features.)

This encyclopedia entry provides an overview of the SST39WF400B-70-4C-B3KE Flash Memory. It includes basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models. The SST39WF400B-70-4C-B3KE is a reliable and efficient data storage solution used in various electronic devices.