Encyclopedia Entry: 93C46AT-I/ST

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: SOIC-8 (Small Outline Integrated Circuit), Tape and Reel packaging
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Memory Size: 1K-bit (128 x 8)
• Supply Voltage: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Time: 5ms (typical)
• Data Retention: 200 years (minimum)

Detailed Pin Configuration

The 93C46AT-I/ST IC has a total of 8 pins arranged as follows:

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| | | 1 2 | | 3 4 | | 5 6 | | 7 8 | |___________| ```

1. Chip Select (/CS) - Active Low input for enabling the device
2. Serial Clock (CLK) - Input for synchronizing data transfer
3. Serial Data Input (DI) - Input for serial data
4. Ground (GND) - Reference ground for the IC
5. Serial Data Output (DO) - Output for serial data
6. Write Enable (/W) - Active Low input for write enable
7. VCC - Supply voltage input
8. Not Connected (NC) - No connection required

Functional Features

• Non-volatile memory: Data is retained even when power is removed
• Electrically Erasable Programmable Read-Only Memory (EEPROM): Allows data to be erased and reprogrammed electronically
• Small form factor: Suitable for space-constrained applications
• Low power consumption: Ideal for battery-powered devices
• High reliability: Ensures data integrity over extended periods

Advantages and Disadvantages

Advantages: - Compact size enables integration into various electronic devices - Low power consumption prolongs battery life - High reliability ensures data integrity - Easy to erase and reprogram data electronically

Disadvantages: - Limited memory size (1K-bit) - Relatively slower write time compared to other memory technologies

Working Principles

The 93C46AT-I/ST is an EEPROM IC that utilizes a floating gate transistor structure to store and retrieve data. It operates by applying specific voltage levels to the appropriate pins, enabling read, write, and erase operations. The stored data can be accessed serially using the provided input and output pins.

Detailed Application Field Plans

The 93C46AT-I/ST IC finds application in various electronic devices that require non-volatile memory for storing critical data. Some common application fields include: - Automotive electronics - Consumer electronics - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

• 93C46A - Similar specifications, different package (DIP-8)
• 93C56A - Higher memory size (2K-bit), similar specifications
• 93C66A - Higher memory size (4K-bit), similar specifications

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