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M95256-DWDW4TP/K

Name: M95256-DWDW4TP/K
Rating: 4.7 (12 reviews)

IC EEPROM 256KBIT SPI 8TSSOP

Производитель
Мфр. Часть #M95256-DWDW4TP/K
Пакет
Лист данных M95256-DWDW4TP/K DataSheet
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Спецификации

Part Status	Active
DigiKey Programmable	Not Verified
Memory Type	Non-Volatile
Memory Format	EEPROM
Technology	EEPROM
Memory Size	256Kbit
Memory Organization	32K x 8
Memory Interface	SPI
Clock Frequency	10 MHz
Write Cycle Time - Word, Page	4ms
Voltage - Supply	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 145°C (TA)
Mounting Type	Surface Mount
Package / Case	8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package	8-TSSOP
Base Product Number	M95256
Grade	Automotive
Qualification	AEC-Q100

Обзор

Description

The M95256-DWDW4TP/K is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) device used for data storage in various electronic applications. It features a 256 Kbit memory capacity, organized as 32,768 words of 8 bits each. The device operates on a voltage range typically between 2.7V and 5.5V, making it suitable for battery-operated systems.
Key attributes include a SPI (Serial Peripheral Interface) for communication, allowing for high-speed data transfer with minimal pin count. It also supports a wide range of industrial and consumer applications, such as firmware storage, configuration data, and system settings.
The M95256-DWDW4TP/K is known for its endurance, with typical write cycling capabilities of over 1 million cycles and a data retention period of up to 40 years. Its small footprint and low power consumption make it an ideal choice for compact, energy-efficient designs. Overall, this EEPROM provides reliable and versatile memory solutions for embedded systems and other electronic devices.

Features

The M95256-DWDW4TP/K is a part of the Microchip Technology's serial EEPROM family. Key features include:
1. Memory Size: 256 Kbits (32 Kbytes) of non-volatile memory.
2. Interface: Operates using a 2-wire I²C interface, enabling easy integration with microcontrollers.
3. Operating Voltage: Supports a wide range from 1.8V to 5.5V, making it suitable for various applications.
4. Write Endurance: Offers up to 1 million write cycles, ensuring durability in data storage.
5. Data Retention: Retains data for up to 100 years under proper conditions, ensuring long-term reliability.
6. Page Write: Allows for page write operations, typically 16 bytes at a time, improving efficiency during data updates.
7. Temperature Range: Available in different temperature ranges suitable for industrial applications.
8. Package Options: Comes in various package types, facilitating easy integration into diverse designs.
These features make the M95256-DWDW4TP/K suitable for applications requiring reliable and efficient data storage solutions.

Package

The M95256-DWDW4TP/K is packaged in an 8-pin SOIC (Small Outline Integrated Circuit) format.

Pinout

The M95256-DWDW4TP/K is a 256-kbit (32K x 8-bit) serial EEPROM organized in a 2-wire I²C-compatible interface. It typically comes in an 8-pin SOIC package (with leads) or similar form factors.
### Pin Count:
- 8 Pins
### Pin Functions:
1. 1 - A0: Address pin for device selection.
2. 2 - A1: Address pin for device selection.
3. 3 - A2: Address pin for device selection.
4. 4 - VSS: Ground reference.
5. 5 - SDA: Serial data line; bi-directional data transfer.
6. 6 - SCL: Serial clock line; input for clock synchronization.
7. 7 - WP: Write protect pin; enables or disables write protection.
8. 8 - VCC: Supply voltage; typically between 1.8V to 5.5V.
This EEPROM is suitable for applications requiring non-volatile memory storage with low power consumption.

Manufacturer

The M95256-DWDW4TP/K is manufactured by Microchip Technology Inc., a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. Founded in 1989, Microchip is a publicly traded company headquartered in Chandler, Arizona. It specializes in embedded control applications, offering a wide range of products including microcontrollers, digital signal controllers, and various types of analog and interface products. The company serves various industries such as automotive, industrial, consumer, and communications, providing solutions for both high-volume and niche markets.

Application

The M95256-DWDW4TP/K is an EEPROM (Electrically Erasable Programmable Read-Only Memory) device used in various applications, including automotive, industrial control systems, consumer electronics, and telecommunications. Its non-volatile storage capabilities make it suitable for storing configuration settings, calibration data, and firmware updates, ensuring data retention even when power is lost.

Equivalent

The M95256-DWDW4TP/K chip is a 256 Kbit EEPROM. Equivalent products include the Microchip 25AA256, STMicroelectronics M25P256, and the Winbond W25X256. Always verify compatibility in terms of pin configuration, electrical characteristics, and memory organization before substituting.

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