Encyclopedia Entry: 93AA46/SN

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Electrically Erasable Programmable Read-Only Memory (EEPROM)
• Characteristics: Small form factor, low power consumption, high data retention, and endurance
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Data storage and retrieval in electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

The 93AA46/SN is a 1K-bit EEPROM organized as 128 words of 8 bits each. It operates on a supply voltage range of 2.5V to 5.5V and offers a maximum clock frequency of 3 MHz. The device supports both serial and parallel communication interfaces.

Detailed Pin Configuration

The 93AA46/SN features an 8-pin SOIC package with the following pin configuration:

1. Chip Select (/CS): Enables communication with the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (DI): Receives data during write operations.
4. Serial Data Output (DO): Outputs data during read operations.
5. Write Protect (/WP): Allows protection against accidental writes.
6. VCC: Power supply input (+2.5V to +5.5V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Suspends ongoing operations temporarily.

Functional Features

• Non-volatile Storage: The 93AA46/SN retains stored data even when power is removed.
• Electrically Erasable: Allows data to be erased and reprogrammed electrically.
• High Endurance: Supports a minimum of 1 million erase/write cycles.
• Low Power Consumption: Operates with minimal power requirements.
• Small Form Factor: Compact size suitable for space-constrained applications.

Advantages and Disadvantages

Advantages: - Reliable data storage and retrieval - Easy integration into electronic devices - Low power consumption - High endurance for repeated write operations

Disadvantages: - Limited storage capacity (1K-bit) - Slower data transfer rate compared to other memory technologies

Working Principles

The 93AA46/SN utilizes a floating-gate transistor structure to store and retrieve data. It employs an electrically controlled gate to trap or release charge, representing binary states (0s and 1s). The device uses a combination of electrical signals and clock pulses to perform read, write, and erase operations.

Detailed Application Field Plans

The 93AA46/SN finds application in various electronic systems, including but not limited to: - Consumer electronics (e.g., TVs, set-top boxes) - Automotive electronics (e.g., engine control units, infotainment systems) - Industrial automation (e.g., programmable logic controllers, sensors) - Medical devices (e.g., patient monitoring systems, diagnostic equipment)

Detailed and Complete Alternative Models

Alternative models similar to the 93AA46/SN include: - 93LC46: Similar specifications and pin configuration, available in different package options. - AT24C01: Comparable EEPROM with higher storage capacity (1K-byte) and wider voltage range.

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