AT25640-10PI-1.8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics:
  • Low-power CMOS technology
  • High-speed operation
  • Wide voltage range
  • Small package size
• Package: PDIP (Plastic Dual In-line Package)
• Essence: This IC is a non-volatile memory chip that can store data even when the power is turned off.
• Packaging/Quantity: The AT25640-10PI-1.8 is typically sold in reels containing multiple units.

Specifications

• Memory Size: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V
• Speed: 10 MHz maximum clock frequency
• Endurance: 1 million write cycles
• Data Retention: 100 years

Detailed Pin Configuration

The AT25640-10PI-1.8 has a total of 8 pins, which are as follows:

1. Chip Select (/CS): Used to enable or disable the chip for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Used to input data into the chip.
4. Serial Data Output (SO): Outputs data from the chip.
5. Write Protect (/WP): When this pin is grounded, it protects the memory from being written.
6. VCC: Power supply voltage (1.8V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Used to pause serial communication temporarily.

Functional Features

• Non-volatile Memory: The AT25640-10PI-1.8 retains stored data even when power is disconnected.
• Serial Interface: It uses the SPI protocol for communication, allowing for easy integration with microcontrollers and other devices.
• High-Speed Operation: The chip supports a maximum clock frequency of 10 MHz, enabling fast data transfer.
• Low Power Consumption: Utilizing low-power CMOS technology, the IC operates efficiently, conserving energy.

Advantages and Disadvantages

Advantages: - Compact Size: The small package size makes it suitable for space-constrained applications. - Wide Voltage Range: The IC can operate within a wide voltage range, providing flexibility in various systems. - High Endurance: With a million write cycles, it offers reliable and durable data storage.

Disadvantages: - Limited Memory Size: The AT25640-10PI-1.8 has a memory capacity of 256 kilobits, which may not be sufficient for certain applications requiring larger storage.

Working Principles

The AT25640-10PI-1.8 utilizes EEPROM (Electrically Erasable Programmable Read-Only Memory) technology. It stores data by electrically charging or discharging specific memory cells. The stored information can be read or modified using the SPI interface. The non-volatile nature of EEPROM ensures that the data remains intact even when power is removed.

Detailed Application Field Plans

The AT25640-10PI-1.8 is commonly used in various electronic devices and systems, including but not limited to: - Automotive electronics - Industrial control systems - Consumer electronics - Medical equipment - Communication devices

Detailed and Complete Alternative Models

• AT25080A-10PU-2.7: 8 kilobit SPI Serial EEPROM, operating at 2.7V.
• AT25256B-SSHL-T: 256 kilobit SPI Serial EEPROM, operating at 1.8V, with an extended temperature range.
• AT25128AN-10SU-2.5: 128 kilobit SPI Serial EEPROM, operating at 2.5V, in a small SOIC package.

These alternative models offer similar functionality and can be considered as substitutes for the AT25640-10PI-1.8 in different applications.

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