FM25H20-DG

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Ferroelectric Random Access Memory (NVRAM)

Characteristics: - High-speed read and write operations - Low power consumption - Wide operating voltage range - High endurance and data retention - Small package size

Package: SOP-8 (Small Outline Package)

Essence: The FM25H20-DG is a non-volatile memory IC that combines the advantages of both RAM and Flash memory. It provides fast read and write operations, low power consumption, and high endurance.

Packaging/Quantity: The FM25H20-DG is available in a SOP-8 package. Each package contains one IC.

Specifications

• Memory Capacity: 2 Megabits (256 Kbytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 10 years
• Endurance: 10^12 read/write cycles

Detailed Pin Configuration

The FM25H20-DG has eight pins arranged as follows:

┌───┬───┐ │ 1 │ 2 │ ├───┼───┤ │ 3 │ 4 │ ├───┼───┤ │ 5 │ 6 │ ├───┼───┤ │ 7 │ 8 │ └───┴───┘

1. Chip Select (/CS): Used to enable or disable the IC.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the IC.
4. Serial Data Output (SO): Outputs data from the IC.
5. Write Protect (/WP): Used to protect the memory from accidental writes.
6. Hold (/HOLD): Pauses ongoing operations without losing data.
7. VCC: Power supply voltage.
8. GND: Ground reference.

Functional Features

• High-speed read and write operations: The FM25H20-DG offers fast access times, allowing for efficient data transfer.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• Wide operating voltage range: The IC can operate within a wide voltage range, providing flexibility in various applications.
• High endurance and data retention: It has a high endurance level, with the ability to withstand a large number of read/write cycles. Additionally, it can retain data for up to 10 years.
• Small package size: The SOP-8 package is compact, saving space on circuit boards.

Advantages and Disadvantages

Advantages: - Fast read and write operations - Low power consumption - Wide operating voltage range - High endurance and data retention - Compact package size

Disadvantages: - Limited memory capacity (2 Megabits)

Working Principles

The FM25H20-DG utilizes ferroelectric materials to store data. It employs a ferroelectric capacitor structure that can be polarized in two different directions, representing binary states (0 and 1). The polarization state of the ferroelectric material determines the stored data. The IC uses a combination of electric fields and charge accumulation to read and write data.

Detailed Application Field Plans

The FM25H20-DG is suitable for various applications, including: - Industrial automation systems - Smart meters - Medical devices - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

1. FM25H10-DG: 1 Megabit (128 Kbytes) capacity, same features as FM25H20-DG.
2. FM25H40-DG: 4 Megabits (512 Kbytes) capacity, same features as FM25H20-DG.
3. FM25H80-DG: 8 Megabits (1 Mbyte) capacity, same features as FM25H20-DG.

These alternative models offer different memory capacities while retaining the same functional features as the FM25H20-DG.

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