AT25020A-10PI-1.8

Overview

Product Category

AT25020A-10PI-1.8 belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

This product is commonly used for non-volatile storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Non-volatile memory: The AT25020A-10PI-1.8 retains data even when power is removed.
• High endurance: It can withstand a large number of read/write cycles.
• Small form factor: The chip is compact and suitable for space-constrained applications.
• Low power consumption: It operates efficiently with minimal power requirements.

Package

The AT25020A-10PI-1.8 is available in a standard 8-pin DIP (Dual Inline Package) format.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity and persistence.

Packaging/Quantity

The AT25020A-10PI-1.8 is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Memory Size: 2 Kbits (256 bytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V
• Speed: 10 MHz
• Write Endurance: 1 million cycles
• Data Retention: 100 years

Pin Configuration

The AT25020A-10PI-1.8 features an 8-pin DIP package with the following pin configuration:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ 4 │ 5 │ └───┴───┘

1. Chip Select (CS): Enables communication with the chip.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Master Out Slave In (MOSI): Transmits data from the master to the chip.
4. Ground (GND): Common ground reference.
5. Master In Slave Out (MISO): Transmits data from the chip to the master.
6. Write Protect (WP): Protects the memory from accidental writes.
7. VCC: Power supply voltage.
8. Hold (HOLD): Pauses ongoing operations.

Functional Features

• Byte-level Read/Write: Allows individual bytes of data to be read from or written to the memory.
• Sequential Read: Supports continuous reading of multiple bytes without the need for repeated address input.
• Software Protection: The Write Protect pin can be used to prevent accidental writes to the memory.
• Low Power Consumption: Operates efficiently, minimizing power requirements and extending battery life.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data persistence.
• High endurance allows for frequent read/write operations.
• Small form factor suits space-constrained applications.
• Low power consumption prolongs battery life.

Disadvantages

• Limited memory size may not be suitable for larger data storage requirements.
• SPI interface may have slower data transfer rates compared to other interfaces.

Working Principles

The AT25020A-10PI-1.8 utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information in a grid of memory cells that can be individually addressed and modified. The Serial Peripheral Interface (SPI) facilitates communication between the chip and the controlling device, enabling data transfer and memory operations.

Detailed Application Field Plans

The AT25020A-10PI-1.8 finds applications in various fields, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT25020A-10PI-1.8 include: - AT25040A-10PI-1.8: 4 Kbit Serial EEPROM with the same specifications. - AT25080A-10PI-1.8: 8 Kbit Serial EEPROM with the same specifications. - AT25160A-10PI-1.8: 16 Kbit Serial EEPROM with the same specifications.

These alternatives provide increased memory capacity while maintaining compatibility with the AT25020A-10PI-1.8 in terms of pin configuration and interface.

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