BR93H66RF-2CE2

Product Overview

Category

The BR93H66RF-2CE2 belongs to the category of non-volatile electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used in electronic devices for storing and retrieving data that needs to be retained even when power is removed.

Characteristics

• Non-volatile: The BR93H66RF-2CE2 retains stored data even without power.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Programmable: Allows users to write and modify data as needed.

Package

The BR93H66RF-2CE2 comes in a compact package, suitable for integration into various electronic devices.

Essence

The essence of this chip lies in its ability to store and retrieve data reliably, making it an essential component in many electronic systems.

Packaging/Quantity

The BR93H66RF-2CE2 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory capacity: 8 kilobits (1 kilobyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

The BR93H66RF-2CE2 has a total of 8 pins, each serving a specific purpose:

1. Chip Select (/CS): Enables communication with the chip when set to a low logic level.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data to the chip during write operations.
4. Serial Data Output (SO): Outputs data from the chip during read operations.
5. Write Protect (/WP): When set to a low logic level, prevents write operations.
6. VCC: Power supply input (+1.7V to +5.5V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Pauses ongoing operations when set to a low logic level.

Functional Features

• High-speed data transfer: The SPI interface allows for fast and efficient data transfer between the chip and the host device.
• Low power consumption: The BR93H66RF-2CE2 is designed to minimize power usage, making it suitable for battery-powered devices.
• Hardware write protection: The write protect pin provides an additional layer of security by preventing accidental or unauthorized data modification.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even in the absence of power.
• Electrically erasable and programmable, allowing for easy data modification.
• Compact package size enables integration into various electronic devices.
• Wide operating voltage range makes it compatible with different power supply systems.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to some alternative models.
• Vulnerable to electromagnetic interference due to its small form factor.

Working Principles

The BR93H66RF-2CE2 utilizes EEPROM technology, which stores data using electrically isolated floating gate transistors. These transistors can be programmed by applying specific voltages to trap or release electrons, representing binary data.

During write operations, the chip receives data through the serial input pin (SI) and stores it in the appropriate memory cells. Reading data involves sending a read command and retrieving the stored information from the serial output pin (SO).

Detailed Application Field Plans

The BR93H66RF-2CE2 finds applications in various electronic systems, including but not limited to: - Automotive electronics: Used for storing vehicle configuration data, mileage records, and other critical information. - Consumer electronics: Integrated into devices like smart TVs, set-top boxes, and gaming consoles for firmware storage and system configuration. - Industrial automation: Employed in programmable logic controllers (PLCs) and industrial control systems for storing calibration data and program parameters.

Detailed and Complete Alternative Models

1. BR93H66-W: Similar to the BR93H66RF-2CE2, but with a wider operating temperature range (-40°C to +125°C).
2. AT24C08: EEPROM chip with higher storage capacity (8 kilobits) and an I2C interface.
3. M93C66: Competing EEPROM chip with similar specifications and SPI interface.

These alternative models offer different features and may be suitable for specific application requirements.

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