AT25040A-10PU-1.8

Product Overview

Category

The AT25040A-10PU-1.8 belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

It is used for non-volatile storage of data in various electronic devices, including consumer electronics, automotive systems, and industrial applications.

Characteristics

• Capacity: 4 Kbits (512 bytes)
• Voltage: 1.8V
• Interface: SPI (Serial Peripheral Interface)
• Speed: Up to 20 MHz
• Temperature Range: -40°C to +85°C
• Endurance: 1,000,000 write cycles
• Retention: 100 years

Package

The AT25040A-10PU-1.8 comes in an 8-pin PDIP (Plastic Dual-In-Line Package) format.

Essence

This EEPROM chip provides reliable and low-power data storage for embedded systems and microcontroller-based applications.

Packaging/Quantity

The AT25040A-10PU-1.8 is typically packaged in tubes or reels, with quantities varying based on the manufacturer's specifications.

Specifications

• Memory Organization: 512 x 8 bits
• Write Protect Pin: Allows hardware write protection of the entire memory array
• Sequential Read Mode: Permits a single command to initiate a sequential read operation of the entire memory array

Detailed Pin Configuration

1. Chip Select (/CS)
2. Serial Data Input/Output (DI/DO)
3. Serial Clock (SCK)
4. Write Protect (/WP)
5. Ground (GND)
6. VCC Power Supply
7. No Connection (NC)
8. Serial Data Out (DO)

Functional Features

• Low Power Consumption: Ideal for battery-powered devices
• High-Speed Performance: Supports rapid data transfer
• Reliable Data Retention: Ensures long-term integrity of stored information
• Flexible Write Protection: Enables secure data management

Advantages and Disadvantages

Advantages

• Small form factor
• Wide operating temperature range
• High endurance and retention
• Simple interface for integration

Disadvantages

• Limited storage capacity compared to larger EEPROM chips
• Requires careful handling due to static sensitivity

Working Principles

The AT25040A-10PU-1.8 operates by utilizing the SPI protocol to communicate with the host microcontroller. It stores and retrieves data through a series of commands, providing non-volatile memory storage for the connected system.

Detailed Application Field Plans

Consumer Electronics

• Smartphones
• Wearable devices
• Digital cameras

Automotive Systems

• Engine control units
• Infotainment systems
• Body control modules

Industrial Applications

• Programmable logic controllers
• Sensor networks
• Automation equipment

Detailed and Complete Alternative Models

• AT25080A-10PU-1.8: 8 Kbit capacity
• AT25128A-10PU-1.8: 128 Kbit capacity
• AT25256A-10PU-1.8: 256 Kbit capacity

In conclusion, the AT25040A-10PU-1.8 serial EEPROM chip offers a compact and efficient solution for non-volatile data storage in a wide range of electronic applications, with its low power consumption, high-speed performance, and reliable operation making it a versatile choice for embedded systems and microcontroller-based designs.

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