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AT28C256-15SU

EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC Tube

Inventory:6,340

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Overview of AT28C256-15SU

The AT28C256-15SU is a high-performance, low-power 256K EEPROM organized as 32K x 8 bits. It features a 150ns access time and operates within a wide voltage range. This EEPROM is ideal for applications such as data storage, firmware updates, and parameter storage in various electronic systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • A0-A14: Address Inputs
  • OE: Output Enable
  • CE: Chip Enable
  • WE: Write Enable
  • DQ0-DQ7: Data Input/Output
  • Vcc: Power Supply
  • Vss: Ground

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AT28C256-15SU for a visual representation.

Key Features

  • High-Performance EEPROM: Offers fast access time of 150ns, enabling quick data read and write operations.
  • Low-Power Consumption: Operates with minimal power, suitable for portable and battery-powered devices.
  • Wide Voltage Range: Supports operation within a broad voltage range, providing flexibility in various electronic systems.
  • High Reliability: Provides reliable data storage and retrieval, making it suitable for critical applications.
  • Extended Temperature Range: Can operate within an extended temperature range, suitable for industrial and automotive applications.

Note: For detailed technical specifications, please refer to the AT28C256-15SU datasheet.

Application

  • Data Storage: Ideal for applications requiring non-volatile data storage, such as configuration data and parameter storage.
  • Firmware Updates: Used for storing firmware updates in electronic systems, offering flexibility and upgradability.
  • Embedded Systems: Suitable for use in embedded systems, microcontrollers, and various electronic devices requiring non-volatile memory.

Functionality

The AT28C256-15SU is a high-performance EEPROM that provides reliable non-volatile memory storage. It offers fast access times and operates within a wide voltage range, making it suitable for various electronic applications.

Usage Guide

  • Power Supply: Connect the Vcc pin to the power supply voltage, and the Vss pin to ground.
  • Data Input/Output: Use the DQ0-DQ7 pins for interfacing with microcontrollers and other devices for data storage and retrieval.
  • Control Signals: Utilize the CE, WE, and OE pins for chip enable, write enable, and output enable functions, respectively.

Frequently Asked Questions

Q: What is the maximum operating frequency of the AT28C256-15SU?
A: The maximum operating frequency is primarily determined by the access time of 150ns, resulting in a maximum frequency of approximately 6.67 MHz.

Q: Can the AT28C256-15SU be used in automotive applications?
A: Yes, the extended temperature range and reliable performance make the AT28C256-15SU suitable for use in automotive applications requiring non-volatile memory storage.

Equivalent

For similar functionalities, consider these alternatives to the AT28C256-15SU:

  • AT28C256-20PU: This is a similar high-performance EEPROM from Atmel, offering similar functionality with a different access time and temperature range.
  • W27C512-45Z: This is a 512K electrically erasable EPROM from Winbond, providing comparable non-volatile memory storage capabilities with extended temperature support.

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-28
Interface Type Parallel Memory Size 256 kbit
Organization 32 k x 8 Supply Voltage - Min 4.5 V
Supply Voltage - Max 5.5 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Maximum Clock Frequency 5 MHz
Access Time 150 ns Data Retention 10 Year
Supply Current - Max 50 mA Series AT28C256
Active Read Current - Max 50 mA Brand Microchip Technology
Height 2.35 mm (Max) Length 18.1 mm (Max)
Moisture Sensitive Yes Operating Supply Current 50 mA
Operating Supply Voltage 5 V Output Enable Access Time 70 ns
Product Type EEPROM Programming Voltage 4.5 V to 5.5 V
Factory Pack Quantity 27 Subcategory Memory & Data Storage
Width 7.6 mm (Max) Unit Weight 0.063705 oz

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packageimg

AT28C256-15SU

EEPROM Parallel 256K-bit 32K x 8 5V 28-Pin SOIC Tube

Inventory:

6,340