AT28BV256-20TU

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AT28BV256-20TU

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IC EEPROM 256KBIT PAR 28TSOP

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Attribut Wert
Package Tray
ProductStatus Obsolete
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 256Kb (32K x 8)
MemoryInterface Parallel
WriteCycleTime-WordPage 10ms
AccessTime 200 ns
Voltage-Supply 2.7V ~ 3.6V
OperatingTemperature -40°C ~ 85°C (TC)
MountingType Surface Mount
Package/Case 28-TSSOP (0.465, 11.80mm Width)

Übersicht

Description

The AT28BV256-20TU is a 32K x 8 electrically erasable programmable read-only memory (EEPROM) integrated circuit, offering a total of 256 kilobits of memory. Designed by Microchip Technology, it operates with a low voltage range of 2.7V to 5.5V, making it suitable for battery-powered applications. The device features a fast access time of 200 nanoseconds, ensuring quick data retrieval.
Key features include byte-level programmability, allowing individual bytes to be programmed and erased without affecting other data. The AT28BV256-20TU supports a high endurance cycle of up to 10,000 write/erase operations, ensuring reliable performance over time. It also incorporates error correction mechanisms to enhance data integrity and reliability.
The device is packaged in a compact 28-lead thin small outline package (TSOP), making it ideal for space-constrained applications. Commonly used in embedded systems, consumer electronics, and industrial applications, the AT28BV256-20TU provides a versatile and reliable solution for non-volatile data storage needs.

Equivalent

The AT28BV256-20TU is a low-power, 256Kb EEPROM with a 5V power supply. Equivalent products are typically other 256Kb EEPROMs with similar voltage and speed specifications. Possible alternatives include:
1. Microchip 28C256 series
2. STMicroelectronics M24256 series
3. ON Semiconductor CAT28C256 series
Ensure compatibility by checking the specific electrical and timing requirements in their datasheets.

Features

The AT28BV256-20TU is a 256K (32K x 8) EEPROM characterized by its low-voltage and low-power operation. Key features include:
1. Architecture: Offers a 32K x 8-bit organization, providing 256K of storage capacity.
2. Speed: It has an access time of 200 ns, facilitating rapid data retrieval.
3. Low Power Consumption: Operates with a supply voltage ranging from 2.7V to 5.5V, making it suitable for battery-powered applications.
4. Programming: Supports byte-level write operations with self-timed programming cycles.
5. Endurance and Retention: Guarantees high endurance with 100,000 write cycles per byte and data retention up to 10 years.
6. Interface: Features a parallel interface for easy integration with microcontrollers and other digital devices.
7. Package: Available in a 32-lead Thin Small Outline Package (TSOP), making it compact for various electronic designs.
These features make the AT28BV256-20TU ideal for applications requiring reliable, non-volatile memory with moderate capacity and quick access times.

Pinout

The AT28BV256-20TU is a 256K (32K x 8) parallel EEPROM with a 28-pin count. It is used for non-volatile memory storage and operates with a low voltage supply. Key features include byte and page write capabilities, fast read access time, and data retention. This device is typically used in applications requiring reliable, long-term data storage without the need for external power to maintain the stored information.

Manufacturer

The AT28BV256-20TU is manufactured by Microchip Technology Inc. Microchip is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. The company offers a comprehensive portfolio of semiconductor and integrated systems solutions that are used in a wide variety of applications across industries such as automotive, industrial, consumer, aerospace, and defense. Microchip's products are designed to make it easier for engineers to design and create electronics solutions that are reliable, efficient, and cost-effective.

Application

The AT28BV256-20TU is a 256-kilobit (32K x 8) parallel EEPROM. It is commonly used in applications requiring non-volatile memory storage with easy updates, such as firmware storage, microcontroller program memory, and configuration data storage. Its low power consumption makes it suitable for battery-operated devices. Additionally, it is used in industrial systems, networking equipment, and consumer electronics where reliable data retention and frequent data rewriting are necessary. Its quick access time and compatibility with microprocessors make it ideal for applications that demand efficient data retrieval.

Package

The AT28BV256-20TU is packaged in a Thin Small Outline Package (TSOP). This type of package is compact and suitable for surface mounting, making it ideal for applications requiring space efficiency.

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