FM28V020-T28G

Product Overview

Category

FM28V020-T28G belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving data in electronic systems.

Characteristics

• Non-volatile: The FM28V020-T28G retains stored data even when power is removed.
• High capacity: This device has a storage capacity of 2 megabits (256 kilobytes).
• Low power consumption: The FM28V020-T28G operates at low power levels, making it suitable for battery-powered applications.
• Fast access time: With a typical access time of 70 nanoseconds, this memory device offers quick data retrieval.

Package

The FM28V020-T28G is available in a TSSOP-28 package.

Essence

The essence of FM28V020-T28G lies in its ability to provide reliable and non-volatile data storage in various electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of FM28V020-T28G devices. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 2 Megabits (256 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply Voltage: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The FM28V020-T28G features a total of 28 pins, which are assigned specific functions as follows:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Hold (/HOLD) 7-28. Address and Data Pins

Functional Features

• Byte and Page Write Operations: The FM28V020-T28G supports both byte and page write operations, allowing for flexible data storage.
• Software Protection: This device offers software protection features to prevent accidental writes or erasures.
• Sector Lockdown: Certain sectors of the memory can be locked down to protect critical data from being modified.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• High storage capacity for various applications.
• Low power consumption extends battery life in portable devices.
• Fast access time enables quick data retrieval.

Disadvantages

• Limited endurance compared to some other non-volatile memory technologies.
• Relatively higher cost per bit compared to certain alternatives.

Working Principles

The FM28V020-T28G utilizes a floating gate technology to store data. When data is written, charges are trapped in the floating gate, altering the threshold voltage of the memory cell. This change in threshold voltage allows the stored data to be read accurately.

Detailed Application Field Plans

The FM28V020-T28G finds applications in various electronic systems, including but not limited to: - Embedded systems - Industrial control systems - Automotive electronics - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4 Megabit Serial Flash Memory, SPI Interface, SOIC-8 Package.
2. MX25L12835FZNI-10G: 128 Megabit Serial NOR Flash Memory, SPI Interface, WSON-8 Package.
3. S25FL512SAGMFI011: 512 Megabit Serial NOR Flash Memory, SPI Interface, LGA-24 Package.

These alternative models offer different storage capacities, package types, and interface options to cater to diverse application requirements.

In conclusion, the FM28V020-T28G is a non-volatile memory device with a high storage capacity, low power consumption, and fast access time. It finds applications in various electronic systems and offers advantages such as data retention, flexibility, and software protection. While it has limitations in terms of endurance and cost, alternative models are available to suit specific needs.