BR93L46FVT-WE2

Product Overview

Category

The BR93L46FVT-WE2 belongs to the category of non-volatile electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for storing and retrieving data in electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The BR93L46FVT-WE2 retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically, without the need for physical removal or replacement of the chip.
• Programmable: Users can write and modify data stored in the chip.
• Read-only memory: Data stored in the chip can only be read and not modified during normal operation.

Package

The BR93L46FVT-WE2 is typically available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

The essence of the BR93L46FVT-WE2 lies in its ability to provide non-volatile storage for critical data in various electronic applications.

Packaging/Quantity

The chip is commonly packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Operating voltage: 1.8V to 5.5V
• Operating temperature range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Write endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

The BR93L46FVT-WE2 has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with the chip when pulled low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the chip during write operations.
4. Serial Data Output (SO): Outputs data from the chip during read operations.
5. Write Protect (/WP): When pulled low, prevents write operations on the chip.
6. Ground (GND): Connected to the ground reference of the system.
7. Power Supply (VCC): Connected to the positive supply voltage.
8. Hold (/HOLD): Allows pausing and resuming of serial communication.

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 BR93L46FVT-WE2 is designed to minimize power usage, making it suitable for battery-powered devices.
• Hardware write protection: The write protect pin (/WP) provides an additional layer of security by preventing accidental or unauthorized data modification.
• Compact form factor: The small package size enables integration into space-constrained electronic designs.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even in the absence of power.
• Electrically erasable and programmable, allowing for easy data modification.
• Wide operating voltage range makes it compatible with various systems.
• High endurance and long data retention lifespan.
• Compact package size facilitates integration into small electronic devices.

Disadvantages

• Limited memory capacity compared to other EEPROM chips.
• Requires a dedicated SPI interface for communication.

Working Principles

The BR93L46FVT-WE2 utilizes a combination of floating gate transistors and charge storage mechanisms to store and retrieve data. During write operations, electrical charges are trapped in the floating gate, altering the transistor's behavior and storing the desired data. Reading the stored data involves sensing the transistor's conductance state, which corresponds to the stored charge.

Detailed Application Field Plans

The BR93L46FVT-WE2 finds applications in various fields, including:

1. Automotive electronics: Used for storing critical vehicle data, such as mileage, settings, and diagnostic information.
2. Industrial automation: Enables storage of configuration parameters and calibration data for control systems.
3. Consumer electronics: Utilized in devices like smart TVs, set-top boxes, and gaming consoles for storing user preferences and settings.
4. Medical devices: Stores patient data, device configurations, and firmware updates in medical equipment.
5. Internet of Things (IoT): Provides non-volatile memory for IoT devices, allowing them to retain data even during power outages or network disruptions.

Detailed and Complete Alternative Models

1. BR93L66FVT-WE2: Similar to BR93L46FVT-WE2 but with a larger memory capacity of 8 kilobits.
2. AT24C04C-SSHM-T: EEPROM chip with 4 kilobits capacity, compatible with I2C interface.
3. CAT24C01WI-GT3: 1