Encyclopedia Entry: 93C46AT-I/MC

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: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: Stores and retrieves digital information even when power is removed
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Memory Size: 1 kilobit (128 bytes)
• Organization: 64 words x 16 bits or 128 words x 8 bits
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1 million cycles
• Data Retention: 200 years

Pin Configuration

The 93C46AT-I/MC IC has the following pin configuration:

| Pin No. | 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 | NC | No Connection | | 8 | VCC | Supply Voltage |

Functional Features

• Non-volatile memory: Retains data even without power supply
• Electrically erasable and programmable: Allows for easy modification of stored data
• Serial interface: Enables simple integration with microcontrollers and other devices
• High reliability: Withstands harsh environmental conditions
• Low power consumption: Ideal for battery-powered applications

Advantages and Disadvantages

Advantages: - Compact size allows for space-efficient designs - Wide operating voltage range enables compatibility with various systems - High write endurance ensures longevity of the memory - Data retention period of 200 years provides long-term storage capabilities

Disadvantages: - Limited memory capacity may not be suitable for large-scale data storage - Serial interface may require additional circuitry for parallel data access

Working Principles

The 93C46AT-I/MC is based on EEPROM technology, which utilizes floating gate transistors to store and retrieve digital information. When a write operation is performed, an electric charge is applied to the floating gate, altering its electrical characteristics. This change in charge determines the stored data. Reading the data involves sensing the electrical state of the floating gate.

Detailed Application Field Plans

The 93C46AT-I/MC IC finds application in various fields, including: 1. Automotive electronics: Used for storing vehicle configuration data, mileage, and fault codes. 2. Consumer electronics: Employed in set-top boxes, smart TVs, and audio devices for storing user preferences and settings. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) for storing program code and configuration parameters. 4. Medical devices: Integrated into medical equipment for storing patient data, calibration values, and device settings.

Alternative Models

Other alternative models that offer similar functionality to the 93C46AT-I/MC include: - 93C56AT-I/MC: 2 kilobit EEPROM with similar specifications and pin configuration. - 93C86AT-I/MC: 16 kilobit EEPROM with extended memory capacity.

In conclusion, the 93C46AT-I/MC is a compact and reliable EEPROM IC that offers non-volatile memory storage for various applications. Its small form factor, low power consumption, and high reliability make it a popular choice in the electronics industry.