25LC128T-E/SN

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25LC128T-E/SN

+BOM

IC EEPROM 128KBIT SPI 8SOIC

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 128Kb (16K x 8)
MemoryInterface SPI
ClockFrequency 10 MHz
WriteCycleTime-WordPage 5ms
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Overview

Description

The 25LC128T-E/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device manufactured by Microchip Technology. It offers 128 Kbits of memory organized as 16,384 bytes and is designed for use in applications requiring non-volatile memory storage. The device communicates using the SPI (Serial Peripheral Interface) protocol, which enables fast data transfer rates and efficient interfacing with microcontrollers and other digital devices.
Key features of the 25LC128T-E/SN include a wide operating voltage range from 1.8V to 5.5V, making it suitable for a variety of power environments. It also supports a high-speed clock frequency of up to 10 MHz, ensuring quick read and write operations. Additionally, the EEPROM has a hardware write-protect pin to secure data against inadvertent writes.
The 25LC128T-E/SN is available in an 8-lead SOIC package, which is compact and facilitates easy integration into circuit designs. Its durability, low power consumption, and high endurance make it ideal for use in consumer electronics, industrial controls, and other embedded systems.

Equivalent

The 25LC128T-E/SN is a 128Kb SPI Serial EEPROM by Microchip. Equivalent products include:
1. AT25128B by Microchip (formerly Atmel)
2. 25AA128/25LC128 by Microchip
3. M95128 by STMicroelectronics
4. CAT25128 by ON Semiconductor
5. MX25L12805 by Macronix
When selecting equivalents, ensure compatibility in terms of voltage, speed, and package type. Always verify datasheets for specific needs.

Features

The 25LC128T-E/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chip manufactured by Microchip Technology. Key features include:
1. Memory Capacity: 128 Kbit (16 Kbytes).
2. Interface: SPI (Serial Peripheral Interface) bus compatible, supporting modes 0 and 3.
3. Operating Voltage: 2.5V to 5.5V.
4. Speed: Up to 10 MHz clock frequency.
5. Low Power Consumption: Efficient power usage in both active and standby modes.
6. Write Endurance: More than 1 million erase/write cycles per byte.
7. Data Retention: Greater than 200 years, ensuring long-term data reliability.
8. Write Protection: Includes block write protection and write disable instructions.
9. Package Type: Available in 8-pin SOIC (Small Outline Integrated Circuit) package.
10. Temperature Range: Supports industrial temperature ranges, typically -40°C to +85°C.
11. Sequential Read: Allows for reading multiple bytes in sequence without having to send a new address for each byte.
12. Status Register: Enables monitoring of the device's status and features write protection bits.
These features make the 25LC128T-E/SN suitable for applications requiring reliable, non-volatile memory storage with flexible interface options.

Pinout

The 25LC128T-E/SN is a serial EEPROM with a total pin count of 8. It is commonly used for non-volatile memory storage applications. The pin functions are as follows:
1. CS (Chip Select): Activates the device when low.
2. SO (Serial Output): Provides data output.
3. WP (Write Protect): Disables all write operations when held low.
4. VSS: Ground reference for the device.
5. SI (Serial Input): Receives instructions, addresses, and data.
6. SCK (Serial Clock): Clocks data in and out of the device.
7. HOLD: Pauses any serial communication without deselecting the device.
8. VCC: Supply voltage for the device.
The 25LC128T-E/SN operates with an SPI (Serial Peripheral Interface) protocol, making it well-suited for applications that require reliable, high-speed data transfers. It is a 128 Kbit memory device, divided into 16,384 bytes, providing flexibility in data storage.

Manufacturer

The 25LC128T-E/SN is manufactured by Microchip Technology Inc. Microchip Technology is an American semiconductor company that focuses on providing microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, the company is headquartered in Chandler, Arizona. It is known for producing a wide range of products, including microcontrollers, memory devices, and analog semiconductors. The company's products are used in a variety of applications across different industries such as automotive, industrial, consumer electronics, and telecommunications. Microchip Technology is recognized for its emphasis on innovation, quality, and reliable semiconductor solutions.

Application

The 25LC128T-E/SN is a 128Kb SPI EEPROM used in various applications requiring non-volatile memory storage. Key application areas include:
1. Consumer Electronics: Stores device configurations and user settings.
2. Industrial Control: Maintains calibration data and system parameters.
3. Automotive: Retains diagnostic information and firmware updates.
4. Medical Devices: Stores patient data and device configurations.
5. Networking Equipment: Holds configuration settings and logs.
6. Embedded Systems: Provides data logging and program storage.
7. IoT Devices: Ensures reliable data storage for sensor readings and network credentials.
Its small size, reliability, and low power consumption make it suitable for compact and energy-efficient designs.

Package

The 25LC128T-E/SN is a Microchip Technology serial EEPROM with a package type of 8-pin SOIC (Small Outline Integrated Circuit).

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