BR25H640FVT-2CE2

Introduction

The BR25H640FVT-2CE2 is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) product manufactured by ROHM Semiconductor. This entry provides an overview of the basic information, specifications, detailed pin configuration, functional features, advantages and disadvantages, working principles, detailed application field plans, and alternative models of the BR25H640FVT-2CE2.

Basic Information Overview

• Category: Serial EEPROM
• Use: Data storage and retrieval in various electronic devices
• Characteristics: High reliability, low power consumption, and high-speed data transfer
• Package: SOP8 (150mil)
• Essence: Non-volatile memory for storing small amounts of data
• Packaging/Quantity: Tape & Reel (3000 pcs/reel)

Specifications

• Memory Size: 64 Kbit
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Write Endurance: 10^6 cycles per byte

Detailed Pin Configuration

The BR25H640FVT-2CE2 has 8 pins arranged as follows: 1. Chip Select (/CS) 2. Serial Clock (SCK) 3. Serial Data Input/Output (SI/SO) 4. Ground (GND) 5. Write Protect (/WP) 6. Vcc 7. NC (No Connection) 8. NC (No Connection)

Functional Features

• High-speed data transfer up to 5MHz
• Low current consumption during operation and standby
• Software write protection
• Self-timed programming cycle

Advantages and Disadvantages

Advantages

• High reliability and long data retention
• Wide operating voltage range
• Compact package size
• Easy integration into various electronic devices

Disadvantages

• Limited storage capacity compared to other memory technologies
• Relatively slower write speeds compared to other non-volatile memory types

Working Principles

The BR25H640FVT-2CE2 operates based on the principles of EEPROM technology, where data can be electrically written and erased. It utilizes the SPI interface for communication with the host microcontroller, enabling seamless integration into various electronic systems.

Detailed Application Field Plans

The BR25H640FVT-2CE2 finds applications in a wide range of electronic devices, including but not limited to: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the BR25H640FVT-2CE2 include: - AT24C64 (by Microchip Technology) - M24M02 (by STMicroelectronics) - 93LC66B (by Microchip Technology)

In conclusion, the BR25H640FVT-2CE2 from ROHM Semiconductor offers a reliable and efficient solution for non-volatile data storage in various electronic applications, making it a popular choice among designers and engineers.

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