AT93C46A-10SI-2.5

Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics: Low-power, high-speed, small form factor
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Memory Size: 1K-bit (128 x 8)
• Operating Voltage: 2.5V to 5.5V
• Operating Temperature: -40°C to +85°C
• Interface: Serial I2C
• Write Cycle Time: 5ms (maximum)
• Data Retention: 100 years (minimum)

Pin Configuration

The AT93C46A-10SI-2.5 has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ ├───┼───┤ │ 2 │ 7 │ ├───┼───┤ │ 3 │ 6 │ ├───┼───┤ │ 4 │ 5 │ └───┴───┘

1. Chip Select (CS): Active low input for device selection.
2. Serial Clock (SCK): Input for synchronizing data transfer.
3. Serial Data Input (DI): Input for shifting data into the device.
4. Ground (GND): Reference ground for the IC.
5. Serial Data Output (DO): Output for shifting data out of the device.
6. Write Protect (WP): Input for write protection.
7. VCC: Power supply voltage input.
8. NC: No connection (unused pin).

Functional Features

• Non-volatile memory: Retains data even when power is removed.
• Serial interface: Uses I2C protocol for easy integration with microcontrollers.
• Low-power consumption: Ideal for battery-powered devices.
• High-speed operation: Allows for quick read and write operations.
• Small form factor: Saves space on PCBs.

Advantages

• Easy to integrate into existing designs due to standard I2C interface.
• Low power consumption extends battery life in portable devices.
• Compact size enables use in space-constrained applications.
• High-speed operation allows for efficient data transfer.

Disadvantages

• Limited storage capacity compared to larger EEPROMs.
• Write cycle time of 5ms may be slower for certain applications.
• Requires external components for proper operation.
• Sensitive to electrostatic discharge (ESD) during handling.

Working Principles

The AT93C46A-10SI-2.5 operates based on the principles of electrically erasable programmable read-only memory (EEPROM). It uses a floating gate transistor structure to store and retrieve digital information. The device communicates with a microcontroller or other ICs through the I2C serial interface, enabling data transfer and manipulation.

Detailed Application Field Plans

The AT93C46A-10SI-2.5 finds application in various electronic devices that require non-volatile memory for storing configuration settings, calibration data, or user preferences. Some common application fields include: - Consumer electronics: TVs, set-top boxes, remote controls - Automotive: Engine control units, infotainment systems - Industrial automation: Programmable logic controllers, sensors - Medical devices: Patient monitoring systems, diagnostic equipment - Smart meters: Electricity, gas, and water metering systems

Detailed and Complete Alternative Models

• AT93C46A-10SU-2.7: Same specifications, but in a smaller SOT-23 package.
• AT93C46B-10SI-2.5: Similar functionality with improved performance characteristics.
• AT93C66A-10SI-2.5: Higher capacity variant with 4K-bit memory.

In conclusion, the AT93C46A-10SI-2.5 is a versatile non-volatile serial EEPROM memory IC. Its compact size, low power consumption, and high-speed operation make it suitable for a wide range of applications in consumer electronics, automotive, industrial automation, medical devices, and smart meters. While it has certain limitations such as limited storage capacity and slower write cycle time, alternative models are available to address specific requirements.