SST39SF040-45-4I-WHE-T

Product Overview

Category

The SST39SF040-45-4I-WHE-T 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 SST39SF040-45-4I-WHE-T retains stored data even when power is turned off.
• High-speed operation: This flash memory offers fast read and write speeds, allowing for efficient data transfer.
• High capacity: With a storage capacity of 4 megabits (512 kilobytes), it provides ample space for storing data.
• Reliable performance: The SST39SF040-45-4I-WHE-T ensures data integrity and reliability through built-in error correction mechanisms.
• Low power consumption: It consumes minimal power during operation, making it suitable for battery-powered devices.
• Wide temperature range: This flash memory can operate within a wide temperature range, making it suitable for various environments.

Package and Quantity

The SST39SF040-45-4I-WHE-T is available in a surface-mount package. It is typically sold in reels or trays, with a quantity of 2500 units per reel.

Specifications

• Manufacturer: Microchip Technology Inc.
• Part Number: SST39SF040-45-4I-WHE-T
• Memory Type: Flash
• Memory Size: 4 Megabits (512 Kilobytes)
• Interface: Parallel
• Operating Voltage: 2.7V - 3.6V
• Access Time: 45 ns
• Package Type: TSOP
• RoHS Compliance: Yes

Detailed Pin Configuration

The SST39SF040-45-4I-WHE-T 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 Input/Output
4. CE# - Chip Enable
5. OE# - Output Enable
6. WE# - Write Enable
7. RP# - Reset/Block Protect
8. BYTE# - Byte/Word Organization
9. RY/BY# - Ready/Busy Output
10. VSS - Ground

... (continued for the remaining pins)

Functional Features

• Block Erase: The SST39SF040-45-4I-WHE-T supports block erase operations, allowing for efficient erasure of large data blocks.
• Sector Locking: It provides sector locking functionality to protect specific sectors from being modified or erased.
• Software/Hardware Protection: This flash memory offers both software and hardware protection mechanisms to prevent unauthorized access or modification of stored data.
• Auto ID: The SST39SF040-45-4I-WHE-T has an auto ID feature that allows the device to be identified automatically by the system.
• Low Power Standby: In standby mode, the device consumes minimal power, contributing to energy efficiency.

Advantages and Disadvantages

Advantages

• High-speed operation enables fast data transfer.
• Non-volatile memory ensures data retention even during power loss.
• Wide temperature range allows for versatile usage in various environments.
• Reliable performance with built-in error correction mechanisms.
• Low power consumption makes it suitable for battery-powered devices.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory options.
• Parallel interface may not be compatible with certain newer systems that use different interfaces.

Working Principles

The SST39SF040-45-4I-WHE-T utilizes a floating-gate transistor technology to store data. When data is written, an electrical charge is trapped in the floating gate, representing a binary value. This charge can be retained for an extended period, even without power. During read operations, the charge level in the floating gate is measured to determine the stored data.

Detailed Application Field Plans

The SST39SF040-45-4I-WHE-T finds applications in various electronic devices and systems, including but not limited to: - Computer motherboards - Solid-state drives (SSDs) - Industrial control systems - Automotive electronics - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

1. SST39SF020A-70-4C-NH: 2 Megabit Flash Memory with 70 ns access time.
2. SST39VF080-70-4C-EKE: 8 Megabit Flash Memory with 70 ns access time and extended temperature range.
3. SST39VF3201B-70-4I-B3KE: 32 Megabit Flash Memory with 70 ns access time and industrial temperature range.

These alternative models offer different storage capacities, access times, and temperature ranges to cater to