Encyclopedia Entry: 93AA46XT-I/SN

Product Information Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)

Characteristics: - Low-power consumption - High reliability - Small form factor - Wide operating voltage range

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 93AA46XT-I/SN is a small-sized EEPROM IC that provides non-volatile memory storage for electronic devices.

Packaging/Quantity: The 93AA46XT-I/SN is typically packaged in reels, with each reel containing 2,500 units of the IC.

Specifications

• Memory Size: 1,024 bytes (8,192 bits)
• Organization: 128 x 8 bits
• Supply Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years
• Interface: Serial Peripheral Interface (SPI)

Detailed Pin Configuration

The 93AA46XT-I/SN has a total of 8 pins, which are as follows:

1. Chip Select (/CS): Used to enable or disable the IC.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the IC.
4. Serial Data Output (SO): Outputs data from the IC.
5. Write Protect (/WP): Allows write protection when connected to VCC or GND.
6. VCC: Power supply input (+1.8V to +5.5V).
7. GND: Ground reference.
8. HOLD: Pauses serial communication during active operation.

Functional Features

• Byte and Page Write Operations: Allows individual byte or multiple bytes to be written.
• Sequential Read Operation: Enables sequential reading of data from the memory.
• Software Protection: Provides write protection for the entire memory array.
• Self-Timed Erase and Write Cycles: Simplifies programming operations.

Advantages and Disadvantages

Advantages: - Compact size makes it suitable for space-constrained applications. - Low power consumption extends battery life in portable devices. - High reliability ensures data integrity over extended periods. - Wide operating voltage range allows compatibility with various systems.

Disadvantages: - Limited memory capacity may not be sufficient for certain applications. - Serial interface may have slower data transfer rates compared to parallel interfaces. - Vulnerable to electromagnetic interference due to small package size.

Working Principles

The 93AA46XT-I/SN utilizes EEPROM technology to store and retrieve digital information. It employs a floating gate transistor structure that can trap or release electric charge, representing binary states (0s and 1s). The IC uses an SPI interface to communicate with the host device, enabling read and write operations on the memory cells.

Detailed Application Field Plans

The 93AA46XT-I/SN is commonly used in various electronic devices, including but not limited to: - Consumer electronics (e.g., TVs, set-top boxes, remote controls) - Automotive systems (e.g., infotainment systems, engine control units) - Industrial equipment (e.g., sensors, control modules) - Medical devices (e.g., patient monitors, diagnostic equipment)

Detailed and Complete Alternative Models

Some alternative models to the 93AA46XT-I/SN include: - 93LC46XT-I/SN: Similar specifications and functionality, but with a smaller memory size (64 bytes). - 93AA66XT-I/SN: Higher memory capacity (2,048 bytes) with the same package and interface. - 93C46XT-I/SN: Compatible pin configuration and functionality, but operates at a lower voltage range (1.8V to 3.6V).

These alternative models provide options for different memory requirements and system constraints.

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