AT24C256BN-SH-T

Name: AT24C256BN-SH-T
Brand: Microchip Technology
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

EEPROM Memory IC

5,620 Effective Inventory

AT24C256BN-SH-T

Effective Inventory5,620

EEPROM Memory IC

Manufacturer Part # : AT24C256BN-SH-T
Package/Case: SOIC-8
Part Status : Discontinued
Brand: Microchip Technology
Product Categories : Memory
Series : AT24C256

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Initiate the application within 90 days from the shipment date.

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AT24C256BN-SH-T DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$2.183	$2.18
200	$0.872	$174.40
500	$0.842	$421.00
1000	$0.828	$828.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

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AT24C256BN-SH-T Details

The AT24C256BN-SH-T is an EEPROM memory chip from Microchip Technology, offering a large storage capacity of 32KB. This non-volatile memory device is ideal for storing data in various electronic systems, with a wide range of operating voltage. It features high-speed write and read operations, making it suitable for applications requiring frequent data updates.

Pinout

1 (A0): I2C Address Input
2 (A1): I2C Address Input
3 (A2): I2C Address Input
4 (VSS): Ground
5 (SDA): I2C Serial Data
6 (SCL): I2C Serial Clock
7 (WP): Write Protect
8 (VCC): Power Supply

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Large Storage Capacity: Offers 32KB of storage space for data storage.
Wide Operating Voltage Range: Supports operation from 1.7V to 5.5V.
High-Speed Performance: Enables fast write and read operations for efficient data handling.
Non-Volatile Memory: Retains stored data even when power is disconnected.
I2C Interface: Utilizes the I2C protocol for easy integration with microcontrollers.

Application

Data Logging: Suitable for storing log data in various electronic systems.
Configuration Storage: Used to store configuration settings in embedded devices.
Parameter Memory: Ideal for storing parameters and user settings in applications.

Where to Use

The AT24C256BN-SH-T is ideal for applications that require reliable and non-volatile data storage. It is commonly used in data logging systems, configuration storage, and parameter memory applications where large storage capacity and high-speed access are essential.

How to Use

Connect the AT24C256BN-SH-T to your MCU using the I2C interface. Provide the necessary power supply and ensure proper configuration settings for read and write operations. Implement protection mechanisms for write access using the WP pin. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the AT24C256BN-SH-T demonstrates how to connect the EEPROM chip to a microcontroller via the I2C bus. It includes connections for power supply, I2C lines, and write protection, ensuring proper functionality and data integrity.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

24LC256: A similar EEPROM chip with equivalent features and performance.
AT24C64: An alternative memory chip with a smaller storage capacity.

Complementary

The AT24C256BN-SH-T can be complemented by the ATSHA204A for enhanced security features and data protection capabilities, ensuring secure data storage and communication in embedded systems.

When selecting complementary components, consider compatibility and functionality requirements for seamless integration and optimized performance.

Frequently Asked Questions

Q: What is the operating voltage range of the AT24C256BN-SH-T?

A: The AT24C256BN-SH-T supports operation from 1.7V to 5.5V, providing flexibility for various system configurations. Refer to the datasheet for specific voltage specifications.

Q: Can the AT24C256BN-SH-T be used in automotive applications?

A: Yes, the AT24C256BN-SH-T is suitable for automotive applications that require reliable and non-volatile data storage. Ensure that the operating conditions meet automotive industry standards for performance and durability.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	EEPROM	RoHS	Details
Mounting Style	SMD/SMT	Package / Case	SOIC-8
Interface Type	2-Wire, I2C	Memory Size !	256 kbit
Organization	32 k x 8	Supply Voltage - Min	1.8 V
Supply Voltage - Max	5.5 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 85 C	Maximum Clock Frequency	400 kHz
Access Time	900 ns	Data Retention	40 Year
Supply Current - Max	3 mA	Active Read Current - Max	3 mA
Brand	Microchip Technology	Height	1.5 mm (Max)
Length	5 mm (Max)	Operating Supply Current	3 mA
Operating Supply Voltage !	2.5 V, 3.3 V, 5 V	Product Type !	EEPROM
Factory Pack Quantity	4000	Subcategory	Memory & Data Storage
Width	3.99 mm (Max)	Unit Weight	0.019048 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification AT24C256BN-SH-T PDF Download

FAQs

What is AT24C256BN-SH-T?

The AT24C256BN-SH-T is a 256-Kbit (32,768 x 8) I2C-compatible serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed by Microchip Technology. It is ideal for applications requiring non-volatile storage of data, such as small embedded systems, consumer electronics, and industrial controls.

How Does AT24C256BN-SH-T Work?

The AT24C256BN-SH-T works by allowing byte-level read and write operations through the I2C interface. It stores data even when the power is turned off, providing non-volatile memory storage for various applications. The EEPROM features a simple and efficient interface that enables easy integration into microcontroller-based systems.

How Many Pins does AT24C256BN-SH-T have and What are the Functions of the Pinout Configuration?

The AT24C256BN-SH-T is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

A0, A1, A2: Device address input pins for I2C addressing.
VCC: Power supply pin.
GND: Ground pin.
SCL: Serial Clock input for I2C communication.
SDA: Serial Data I/O for I2C communication.
WP: Write Protect input for hardware write protection.

What are the Pros and Cons of AT24C256BN-SH-T?

Pros:

Non-Volatile Storage: Retains data even when power is removed, ensuring data integrity.
Simple I2C Interface: Allows easy integration and communication with microcontrollers.
Low Power Consumption: Operates with low power, suitable for battery-powered devices.
Wide Voltage Range: Supports a wide voltage range for flexible system design.
Small Package: The 8-lead SOIC package is space-efficient and suitable for compact designs.

Cons:

Storage Limitation: Limited to 256-Kbit storage capacity, may not be sufficient for larger data storage requirements.
Write Time: EEPROM write operations may take longer compared to RAM or other volatile memory technologies.
Endurance Limit: Limited endurance cycles for write and erase operations may affect long-term reliability in certain applications.

Are There Any Equivalents/Alternatives to AT24C256BN-SH-T for Recommendation?

An equivalent part to the AT24C256BN-SH-T is the CAT24C256WI-GT3 from ON Semiconductor.
Alternatives to the AT24C256BN-SH-T include the 24LC256 from Microchip Technology and the M24C256 from STMicroelectronics.