25LC040AT-I/OT

Product Overview

Category

The 25LC040AT-I/OT belongs to the category of serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

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

Characteristics

• Non-volatile memory
• Serial interface
• Low power consumption
• Small form factor

Package

The 25LC040AT-I/OT is available in a compact 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

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

Packaging/Quantity

The 25LC040AT-I/OT is typically supplied in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

• Memory Capacity: 4 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 2.5V - 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

1. VSS - Ground
2. MISO - Master In Slave Out
3. VCC - Power Supply
4. SCK - Serial Clock
5. MOSI - Master Out Slave In
6. CS - Chip Select
7. HOLD - Hold Input
8. WP - Write Protect

Functional Features

• Byte and Page Write Modes
• Sequential Read Operation
• Software and Hardware Write Protection
• Self-timed Write Cycle

Advantages and Disadvantages

Advantages

• Low power consumption
• Compact form factor
• High reliability and endurance
• Flexible write protection options

Disadvantages

• Limited storage capacity compared to larger EEPROM chips
• Slower write speeds compared to some other non-volatile memory technologies

Working Principles

The 25LC040AT-I/OT utilizes the SPI interface to communicate with the host microcontroller. It stores data using electrically programmable memory cells, allowing for non-volatile data retention even when power is removed.

Detailed Application Field Plans

Consumer Electronics

• Smartphones
• Wearable devices
• Digital cameras

Industrial Equipment

• Programmable logic controllers (PLCs)
• Sensor modules
• Human-machine interfaces (HMIs)

Automotive Applications

• Engine control units (ECUs)
• Infotainment systems
• Body control modules (BCMs)

Detailed and Complete Alternative Models

• 25LC080B-I/SN
• 25AA040A-I/MS
• 24LC04B-I/P

In conclusion, the 25LC040AT-I/OT is a versatile serial EEPROM chip that offers reliable non-volatile data storage for a wide range of electronic applications.

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