Encyclopedia Entry: 93LC46BT-I/MNY

Product Overview

Category

The 93LC46BT-I/MNY belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile: The stored data remains even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• Small form factor: The chip is compact and suitable for integration into space-constrained devices.
• Low power consumption: It operates efficiently with minimal power requirements.

Package

The 93LC46BT-I/MNY is available in a small surface-mount package, making it suitable for automated assembly processes.

Essence

The essence of this product lies in its ability to store and retrieve data reliably, while offering flexibility for reprogramming as needed.

Packaging/Quantity

The 93LC46BT-I/MNY is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory capacity: 1 kilobit (128 bytes)
• Operating voltage: 2.5V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million cycles
• Data retention: 200 years

Detailed Pin Configuration

The 93LC46BT-I/MNY features an 8-pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Enable (/WE)
6. VCC (Power supply)
7. Ground (GND)
8. Not Connected (NC)

Functional Features

• High-speed serial interface for efficient data transfer.
• Byte-level read and write operations for easy integration with microcontrollers.
• Built-in write protection to prevent accidental modification of stored data.
• Self-timed programming cycle eliminates the need for external timing components.

Advantages and Disadvantages

Advantages

• Compact size allows for integration into small electronic devices.
• Low power consumption prolongs battery life in portable applications.
• High endurance ensures reliable data storage over an extended period.
• Easy interfacing with microcontrollers simplifies system design.

Disadvantages

• Limited memory capacity may not be suitable for applications requiring large data storage.
• Serial interface may introduce latency compared to parallel EEPROMs.
• Vulnerable to electromagnetic interference due to its small form factor.

Working Principles

The 93LC46BT-I/MNY utilizes a floating-gate transistor structure to store data. When programmed, charge is trapped in the floating gate, representing a logical "1." Erasing the data involves removing the charge from the floating gate, resulting in a logical "0." The chip's internal circuitry enables the reading, writing, and erasing of data through a serial interface.

Detailed Application Field Plans

The 93LC46BT-I/MNY finds application in various fields, including:

1. Automotive electronics: Used for storing vehicle configuration data, mileage records, and fault codes.
2. Industrial automation: Employed in programmable logic controllers (PLCs) for storing program instructions and configuration parameters.
3. Consumer electronics: Integrated into smart TVs, set-top boxes, and gaming consoles for firmware storage and customization options.
4. Medical devices: Utilized for storing patient data, device settings, and calibration information in medical equipment.

Detailed and Complete Alternative Models

1. 93LC46B-I/SN: Similar to the 93LC46BT-I/MNY but available in a different package.
2. 93LC46C-I/P: Offers higher memory capacity (2 kilobits) compared to the 93LC46BT-I/MNY.
3. 93LC46D-I/ST: Provides extended temperature range (-40°C to +125°C) for harsh environments.

These alternative models offer similar functionality but may differ in package type, memory capacity, or operating conditions.

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