AT25320B-MAHL-E

Product Overview

Category

AT25320B-MAHL-E belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for data storage in various electronic devices, such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: Retains stored data even when power is disconnected.
• High capacity: Offers a storage capacity of 32 kilobits (4 kilobytes).
• Low power consumption: Operates efficiently with minimal power requirements.
• Fast access time: Provides quick read and write operations.
• Wide operating voltage range: Supports operation from 1.8V to 5.5V.
• Durable: Withstands multiple read and write cycles without data degradation.

Package

AT25320B-MAHL-E is available in an industry-standard 8-pin SOP (Small Outline Package) format.

Essence

The essence of this product lies in its ability to reliably store and retrieve data in electronic devices, ensuring seamless functionality and user experience.

Packaging/Quantity

AT25320B-MAHL-E is typically packaged in reels containing 2,000 units per reel.

Specifications

• Memory Type: Serial EEPROM (Electrically Erasable Programmable Read-Only Memory)
• Organization: 4K x 8 bits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SI/O)
4. Write Protect (/WP)
5. Ground (GND)
6. Serial Data Output (SO)
7. Hold (/HOLD)
8. Power Supply (VCC)

Functional Features

• Byte and Page Write Operations: Allows data to be written in individual bytes or entire memory pages.
• Sequential Read: Enables sequential reading of multiple memory locations.
• Software Protection: Provides write protection for specific memory areas using software commands.
• Hardware Protection: Supports hardware write protection using the /WP pin.
• Chip Erase: Allows erasing of the entire memory content.
• Write Enable Latch: Ensures data integrity during write operations.

Advantages and Disadvantages

Advantages

• Non-volatile nature ensures data retention even during power loss.
• High storage capacity for various applications.
• Low power consumption prolongs battery life.
• Fast access time enhances overall system performance.
• Wide operating voltage range offers compatibility with different devices.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively higher cost per bit compared to larger memory chips.
• Susceptible to electromagnetic interference.

Working Principles

AT25320B-MAHL-E utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information in a grid of memory cells, each containing a floating gate transistor. The presence or absence of an electrical charge on the floating gate determines the stored data value (0 or 1). By applying appropriate voltage levels, data can be written, read, or erased from these memory cells.

Detailed Application Field Plans

AT25320B-MAHL-E finds application in various fields, including: 1. Automotive electronics: Used for storing configuration data, fault codes, and calibration parameters in automotive control units. 2. Industrial automation: Employed in programmable logic controllers (PLCs) for data logging and parameter storage. 3. Consumer electronics: Integrated into smart TVs, set-top boxes, and gaming consoles for firmware storage and system configuration. 4. Medical devices: Utilized in medical equipment for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4Mb Serial Flash Memory with similar features and SPI interface.
2. CAT24C256WI-GT3: 256Kb I2C Serial EEPROM offering higher storage capacity and I2C interface compatibility.

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