AT24C256BN-SH-T

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AT24C256BN-SH-T

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IC EEPROM 256KBIT I2C 1MHZ 8SOIC

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Attribut Wert
Part Status Obsolete
Base Product Number AT24C256
Digi Key Programmable Not Verified
Memory Type Non-Volatile
Memory Format EEPROM
Technology EEPROM
Memory Size 256Kbit
Memory Organization 32K x 8
Memory Interface I2C
Clock Frequency 1 MHz
Write Cycle Time - Word, Page 5ms
Voltage - Supply 1.8V ~ 5.5V
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SOIC
Packaging Tape & Reel (TR)
Access Time 550 ns

Übersicht

Description

The AT24C256BN-SH-T is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) from Atmel (now part of Microchip Technology). It features 256 kilobits (32 kilobytes) of memory storage, organized as 32 pages of 8 bytes each. This device communicates via I2C (Inter-Integrated Circuit) protocol, making it compatible with various microcontrollers and embedded systems.
Key features include:
- Voltage Range: Operates between 1.7V and 5.5V.
- Data Retention: Typically retains data for over 100 years.
- Endurance: Supports up to 1 million write/erase cycles per memory location.
- Low Power Consumption: Designed for low-power applications, ideal for battery-operated devices.
Applications include storing configuration settings, calibration data, and user preferences in consumer electronics, automotive systems, and industrial automation. The AT24C256BN-SH-T comes in various package options, including SOIC and TSSOP, facilitating easy integration into circuit designs.

Equivalent

The AT24C256BN-SH-T chip is a 256K I2C EEPROM. Equivalent products include:
1. Microchip 24LC256
2. STMicroelectronics M24C256
3. Winbond W25X40CL
4. NXP (Philips) P24C256
These alternatives generally provide similar specifications, such as capacity, I2C interface, and voltage levels. Always verify specific characteristics and compatibility for your application.

Features

The AT24C256BN-SH-T is a 256 Kbit (32 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) device, featuring:
1. Interface: I²C compatible with a two-wire interface for easy communication.
2. Voltage Range: Operates from 1.8V to 5.5V, making it suitable for a variety of applications.
3. Speed: Supports standard (100 kHz) and fast (400 kHz) I²C modes.
4. Memory Organization: 256 bytes per page with a page write capability, allowing efficient data storage.
5. Endurance: Up to 1 million write cycles and a data retention of over 100 years.
6. Temperature Range: Operates from -40°C to +85°C, suitable for industrial applications.
7. Package Options: Available in various packages, including TSSOP and SOIC, for versatile integration.
These features make the AT24C256BN-SH-T ideal for applications such as data logging, configuration settings, and other memory-intensive tasks in consumer and industrial electronics.

Pinout

The AT24C256BN-SH-T is a 256 Kbit EEPROM (Electrically Erasable Programmable Read-Only Memory) from Microchip Technology. It features a pin count of 8.
Pin Functions:
1. VCC: Power supply (typically 2.5V to 5.5V).
2. GND: Ground reference.
3. SDA: Serial Data Line for data transfer.
4. SCL: Serial Clock Line, used to synchronize data transmission.
5. A0, A1, A2: Address pins for device selection in applications with multiple devices on the same bus.
6. WP: Write Protect pin, used to enable or disable write operations.
This device communicates via the I2C bus protocol and allows for read and write operations with a capacity of 32 bytes per page.

Manufacturer

The manufacturer of the AT24C256BN-SH-T is Microchip Technology Inc. Microchip is a leading semiconductor company that specializes in designing and manufacturing microcontrollers, analog semiconductors, and memory products. Founded in 1989, Microchip is known for its focus on embedded control applications, offering a wide range of solutions for various industries, including automotive, industrial, consumer electronics, and communications.
The AT24C256BN-SH-T is a 256Kb (32K x 8) I2C-compatible EEPROM (Electrically Erasable Programmable Read-Only Memory) device that provides reliable non-volatile memory storage. Microchip’s offerings emphasize quality, low-power consumption, and ease of integration within electronic systems. The company is also recognized for its commitment to providing comprehensive support and tools for developers, enhancing innovation in embedded applications. Microchip operates globally, serving a diverse customer base with a strong emphasis on technology development and customer satisfaction.

Application

The AT24C256BN-SH-T is a 256 Kbit (32 K x 8) EEPROM memory chip commonly used in various application areas, including:
1. Consumer Electronics: Storing configurations and user settings in devices like TVs, remote controls, and audio systems.
2. Industrial Control: Retaining calibration data and operational parameters in automated systems.
3. Smart Cards: Secure data storage for identification and transactions.
4. Medical Equipment: Storing patient data and device settings in medical devices.
5. Automotive: Used in vehicle control units for storing firmware and diagnostic data.
Its I2C interface allows for easy integration into various electronic designs.

Package

The AT24C256BN-SH-T is an EEPROM (Electrically Erasable Programmable Read-Only Memory) device packaged in an 8-pin SOIC (Small Outline Integrated Circuit) form factor. This type of package is surface-mounted, ideal for compact applications.

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