25LC1024T-I/SM

Product Overview

Category: Integrated Circuit (IC)

Use: Non-volatile Serial EEPROM Memory

Characteristics: - Low-power CMOS technology - High-speed SPI interface - Wide operating voltage range - Small form factor - High endurance and data retention

Package: SOIC (Small Outline Integrated Circuit)

Essence: The 25LC1024T-I/SM is a non-volatile memory chip that provides reliable storage of data in various electronic devices.

Packaging/Quantity: The 25LC1024T-I/SM is typically sold in reels, with each reel containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Memory Size: 1,048,576 bits (128 kilobytes)
• Operating Voltage Range: 2.5V to 5.5V
• Interface: Serial Peripheral Interface (SPI)
• Maximum Clock Frequency: 10 MHz
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 25LC1024T-I/SM has a total of 8 pins, which are assigned specific functions:

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 during read operations.
5. Hold (HOLD) - Allows the device to be placed on hold during a serial sequence.
6. Write Protect (WP) - Enables or disables write protection for the memory array.
7. VCC - Power supply voltage input.
8. Ground (GND) - Ground reference for the chip.

Functional Features

• Non-volatile memory: The 25LC1024T-I/SM retains data even when power is removed.
• High-speed data transfer: The SPI interface allows for fast and efficient communication with other devices.
• Low-power consumption: The chip operates at low power levels, making it suitable for battery-powered applications.
• Write protection: The write protect pin can be used to prevent accidental modification of stored data.
• Wide operating voltage range: The chip can operate within a wide range of voltage levels, providing flexibility in various applications.

Advantages and Disadvantages

Advantages: - Reliable and durable non-volatile memory - High-speed data transfer - Low-power consumption - Wide operating voltage range - Small form factor

Disadvantages: - Limited storage capacity compared to larger memory chips - Requires an external microcontroller or host device for data management

Working Principles

The 25LC1024T-I/SM utilizes a floating-gate transistor technology to store data. When data is written to the chip, charges are trapped in the floating gate, representing the stored information. During read operations, the charges are sensed and converted back into digital data.

The chip communicates with the host device using the Serial Peripheral Interface (SPI) protocol. The host device sends commands and data to the chip through the SPI interface, allowing for read and write operations.

Detailed Application Field Plans

The 25LC1024T-I/SM is widely used in various electronic devices that require non-volatile memory storage. Some common application fields include:

1. Consumer Electronics: Used in smart TVs, set-top boxes, and audio/video equipment for storing configuration settings and user preferences.
2. Automotive: Employed in automotive electronics for storing critical data such as mileage, fault codes, and calibration settings.
3. Industrial Automation: Used in industrial control systems for storing parameters, program data, and event logs.
4. Medical Devices: Utilized in medical equipment for storing patient data, device configurations, and firmware updates.

Detailed and Complete Alternative Models

1. 25LC512-I/SM: A lower capacity version of the 25LC1024T-I/SM with 512 kilobits (64 kilobytes) of memory.
2. 25AA1024-I/SM: Similar to the 25LC1024T-I/SM but with an extended temperature range of -40°C to +125°C.
3. 25LC256-I/SM: A smaller capacity version of the 25LC1024T-I/SM with 256 kilobits (32 kilobytes) of memory.

These alternative models offer different storage capacities and temperature ranges to cater to specific application requirements.

In conclusion, the 25LC1024T-I/SM is a reliable non-volatile memory chip that provides high-speed data transfer, low-power consumption, and wide operating voltage