AT25640-10PC-1.8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Memory
• Characteristics: Low-power, Serial EEPROM
• Package: 8-pin PDIP (Plastic Dual In-line Package)
• Essence: Data storage and retrieval
• Packaging/Quantity: Tray packaging, quantity varies

Specifications

• Memory Size: 64 Kilobits (8 Kilobytes)
• Organization: 8,192 x 8 bits
• Supply Voltage: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Interface: SPI (Serial Peripheral Interface)
• Write Time: 5ms typical
• Data Retention: 100 years minimum
• Endurance: 1 million write cycles

Detailed Pin Configuration

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SI/SO)
4. Write Protect (/WP)
5. Ground (GND)
6. No Connection (NC)
7. Supply Voltage (VCC)
8. Hold (/HOLD)

Functional Features

• Non-volatile memory: Retains data even when power is removed
• Low-power consumption: Suitable for battery-powered devices
• Serial interface: Allows easy integration with microcontrollers
• Write protection: Prevents accidental modification of stored data
• Hold function: Suspends ongoing operations without losing data

Advantages

• Compact size and low pin count make it suitable for space-constrained applications
• Wide operating voltage range allows compatibility with various systems
• High endurance ensures reliable and long-lasting data storage
• SPI interface enables simple and efficient communication with other devices
• Excellent data retention capability ensures data integrity over extended periods

Disadvantages

• Limited storage capacity compared to larger memory devices
• Slower write time compared to some other EEPROMs
• Requires an external microcontroller or host device for data access and control

Working Principles

AT25640-10PC-1.8 is based on Electrically Erasable Programmable Read-Only Memory (EEPROM) technology. It utilizes a floating gate transistor structure to store and retrieve digital information. The memory cells can be electrically programmed and erased, allowing data to be written and modified multiple times.

The IC communicates with the host device through the SPI interface. The chip select pin enables the device, and the serial clock synchronizes data transfer. The serial data input/output pin handles the exchange of information between the IC and the host device.

Detailed Application Field Plans

AT25640-10PC-1.8 finds applications in various electronic systems that require non-volatile memory for data storage. Some common application areas include: - Consumer electronics: Smartphones, tablets, digital cameras - Automotive: Engine control units, infotainment systems - Industrial: Measurement and control equipment, automation systems - Medical: Patient monitoring devices, medical imaging systems - Communication: Routers, modems, network switches

Detailed and Complete Alternative Models

• AT25080A-10PU-2.7: 8 Kilobit SPI Serial EEPROM, 2.7V to 5.5V supply voltage range
• AT25256A-10PI-2.7: 32 Kilobit SPI Serial EEPROM, 2.7V to 5.5V supply voltage range
• AT25128A-10TU-2.7: 128 Kilobit SPI Serial EEPROM, 2.7V to 5.5V supply voltage range
• AT25320B-10SU-2.7: 32 Kilobit SPI Serial EEPROM, 2.7V to 5.5V supply voltage range, extended temperature range

These alternative models offer different memory sizes, supply voltage ranges, and temperature specifications to cater to specific application requirements.

In conclusion, the AT25640-10PC-1.8 is a low-power, serial EEPROM IC that provides reliable non-volatile memory storage. With its compact size, wide operating voltage range, and SPI interface, it is suitable for various electronic systems. However, it has limitations in terms of storage capacity and write time. Alternative models with different specifications are available to meet specific application needs.