Encyclopedia Entry: 93LC46B/P

Product Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: Small form factor, low power consumption, high reliability
• Package: DIP-8 (Dual In-line Package with 8 pins)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Typically sold in reels of 2,000 units

Specifications

The 93LC46B/P is a 1K-bit EEPROM IC manufactured by Microchip Technology Inc. It operates on a supply voltage range of 2.5V to 5.5V and offers a maximum clock frequency of 2 MHz. The device supports both serial and parallel communication interfaces, providing flexibility in integration with various microcontrollers.

Detailed Pin Configuration

The 93LC46B/P features an 8-pin Dual In-line Package (DIP-8) with the following pin configuration:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | CS | Chip Select (Active Low) | | 2 | SK | Serial Clock Input | | 3 | DI | Serial Data Input | | 4 | VSS | Ground | | 5 | DO | Serial Data Output | | 6 | NC | No Connection | | 7 | VCC | Supply Voltage | | 8 | HOLD | Hold Input (Active Low) |

Functional Features

• Non-volatile memory: Retains data even when power is disconnected
• Electrically erasable and programmable: Allows for easy modification of stored data
• High endurance: Supports a minimum of 1 million write cycles
• Low power consumption: Ideal for battery-powered devices
• Wide operating voltage range: Ensures compatibility with various systems

Advantages and Disadvantages

Advantages: - Compact size enables integration in space-constrained designs - High reliability ensures data integrity over extended periods - Versatile interface options facilitate compatibility with different microcontrollers - Low power consumption prolongs battery life in portable devices

Disadvantages: - Limited storage capacity (1K-bit) compared to larger EEPROM variants - Relatively slower write and read speeds compared to other memory technologies

Working Principles

The 93LC46B/P utilizes a floating gate transistor structure to store and retrieve data. When writing, an electric charge is applied to the floating gate, altering its electrical characteristics and storing the desired information. Reading involves sensing the voltage level on the floating gate to determine the stored data.

Detailed Application Field Plans

The 93LC46B/P finds applications in various electronic devices that require non-volatile memory for data storage and retrieval. Some common application fields include: - Consumer electronics: Used in smart TVs, set-top boxes, and audio/video equipment for configuration settings and user preferences. - Automotive: Employed in automotive control units for storing calibration data, fault codes, and vehicle-specific parameters. - Industrial automation: Integrated into programmable logic controllers (PLCs) and industrial sensors for storing configuration data and logged events. - Medical devices: Utilized in medical equipment for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

• 93LC46A: Similar to 93LC46B/P but operates at a lower voltage range of 1.8V to 5.5V.
• 93LC46C: Higher capacity variant with 2K-bit storage and similar specifications.
• 93LC66B/P: Enhanced version with 4K-bit storage capacity and faster read/write speeds.

Note: The alternative models listed above are not an exhaustive list, but represent some commonly available options.

This comprehensive encyclopedia entry provides an overview of the 93LC46B/P EEPROM IC, including its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.