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25LC256T-E/SN16KVAO

Name: 25LC256T-E/SN16KVAO
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT SPI 5MHZ 8SOIC

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製造商。部分 #25LC256T-E/SN16KVAO
包 SOIC-8
資料表 25LC256T-E/SN16KVAO DataSheet
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規格

Package	Tape & Reel (TR)
Series	Automotive, AEC-Q100
ProductStatus	Active
MemoryType	Non-Volatile
MemoryFormat	EEPROM
Technology	EEPROM
MemorySize	256Kb (32K x 8)
MemoryInterface	SPI
ClockFrequency	5 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)

概述

Description

The 25LC256T-E/SN is a 256 Kbit (32 Kbyte) Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It uses the SPI (Serial Peripheral Interface) protocol for communication, allowing high-speed data transfer, making it suitable for applications requiring quick access to stored data.
This EEPROM features a wide operating voltage range (typically 2.5V to 5.5V) and is compatible with both 3.3V and 5V systems. The device supports a variety of data access modes and has a built-in write protection feature, enhancing data integrity.
With its small 8-pin SOIC package, it is ideal for space-constrained applications, including consumer electronics, automotive systems, and industrial controls. The 25LC256T-E/SN is also notable for its low power consumption, making it efficient for battery-operated devices.
Overall, the 25LC256T-E/SN is a versatile and reliable memory solution for a wide range of embedded applications, providing efficient data storage and retrieval capabilities.

Features

The 25LC256T-E/SN16KVAO is a 256 Kbit (32 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device. Key features include:
1. Memory Organization: 32K x 8-bit architecture, allowing for efficient data storage.
2. Interface: Operates over a Serial Peripheral Interface (SPI) with a maximum clock speed of 20 MHz, enabling fast data transfer rates.
3. Voltage Range: Operates typically from 2.5V to 5.5V, making it suitable for a variety of applications.
4. Endurance: Supports up to 1 million write/erase cycles, ensuring long-term reliability.
5. Data Retention: Retains data for over 200 years at 85°C, suitable for long-term storage applications.
6. Write Protection: Features hardware and software write protection to safeguard data integrity.
7. Low Power Consumption: Ideal for battery-operated devices due to low active and standby currents.
These features make the 25LC256T-E/SN16KVAO suitable for applications in consumer electronics, automotive, and industrial systems requiring reliable non-volatile memory.

Package

The 25LC256T-E/SN16KVAO is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) format. This surface mount package is designed for ease of integration onto PCBs, providing a compact solution for memory applications.

Pinout

The 25LC256T-E/SN16KVAO is a 256 Kbit serial EEPROM from Microchip Technology, utilizing the SPI (Serial Peripheral Interface) protocol. It features a 8-pin configuration. The pin count and their functions are as follows:
1. Vcc - Power supply
2. GND - Ground
3. SCK - Serial Clock input
4. SI - Serial Data Input
5. SO - Serial Data Output
6. CS - Chip Select (active low)
7. WP - Write Protect (active high)
8. HOLD - Hold (active low, used to pause communication)
This device is commonly used for applications requiring non-volatile memory storage, such as configuration settings and data logging. It operates at various voltage levels, typically from 1.8V to 5.5V.

Manufacturer

The manufacturer of the 25LC256T-E/SN is Microchip Technology Inc. Microchip is a prominent American company specializing in the design and manufacturing of microcontrollers, memory products, and analog semiconductors. Founded in 1989 and headquartered in Chandler, Arizona, Microchip serves a wide range of industries including automotive, industrial, consumer, and communications sectors. The company is known for its embedded control solutions and offers a variety of tools, software, and support for engineers and developers. Its products are widely used in various applications, from simple consumer electronics to complex industrial systems.

Application

The 25LC256T-E/SN16KVAO is a 256 Kbit serial EEPROM used in various applications, including microcontroller interfacing, data storage, configuration settings, and calibration data retention. It is commonly found in consumer electronics, automotive systems, industrial automation, and telecommunications, where non-volatile memory is required for storing small amounts of data that must persist through power loss.

Equivalent

The 25LC256T-E/SN16KVAO is a 256Kb (32K x 8) SPI EEPROM. Equivalent products include:
1. Microchip 25LC256
2. Winbond W25X256
3. STMicroelectronics M25P256
4. Atmel AT25DF256
5. Silicon Storage Technology (SST) SST25VF256
Always check datasheets for specific pin configurations and electrical characteristics before substitution.