AT28C64B-15SU

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AT28C64B-15SU

IC EEPROM 64KBIT PARALLEL 28SOIC

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Specifications

Package Tube
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 64Kb (8K x 8)
MemoryInterface Parallel
WriteCycleTime-WordPage 10ms
AccessTime 150 ns
Voltage-Supply 4.5V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TC)
MountingType Surface Mount
Package/Case 28-SOIC (0.295, 7.50mm Width)

Overview

Description

The AT28C64B-15SU is a 64 Kbit (8 K x 8) EEPROM (Electrically Erasable Programmable Read-Only Memory) chip, designed for use in various electronic applications. It features a 28-pin DIP (Dual Inline Package) form factor, making it compatible with standard PCB layouts.
Key specifications include a maximum access time of 150 ns, enabling rapid data retrieval, and an operating voltage range of 4.5V to 5.5V. The chip supports EEPROM programming via a standard byte-wise write operation and can be erased in a complete block, allowing for flexible data management.
It is suitable for applications requiring reliable non-volatile storage, such as firmware in embedded systems, data logging, and configuration storage in consumer electronics. The AT28C64B-15SU also offers a high endurance rating of up to 1 million write/erase cycles, ensuring durability over repeated use.
Overall, this EEPROM device is a versatile choice for developers looking for a dependable solution for non-volatile memory needs in their electronic designs.

Features

The AT28C64B-15SU is a 64K-bit (8K x 8) EEPROM from Microchip Technology, featuring a byte-wide data interface and the ability to be programmed and erased electrically. Key features include:
1. Memory Organization: 8K x 8 bit organization, suitable for various applications.
2. Access Time: Fast read access time of 150 ns, enabling quick data retrieval.
3. Endurance: Approximately 1 million write/erase cycles, ensuring long-term reliability.
4. Data Retention: Guaranteed data retention of 20 years.
5. Programming Time: Typically 10 ms per byte, allowing efficient data writing.
6. Single Supply Voltage: Operates at 5V, simplifying system design.
7. Low Power Consumption: Reduced power requirements for both active and standby modes.
8. Integrated Control Functions: Includes a ready/busy signal for simplified interfacing.
These features make the AT28C64B-15SU ideal for applications in consumer electronics, computer peripherals, and automotive systems.

Package

The AT28C64B-15SU is packaged in a 28-pin plastic dual in-line package (DIP).

Pinout

The AT28C64B-15SU is a 64K-bit (8K x 8) electrically erasable programmable read-only memory (EEPROM) with a pin count of 28. The functions of its pins are as follows:
1. A0-A12 (Pins 1-12): Address inputs for selecting memory locations.
2. VCC (Pin 14): Supply voltage (typically +5V).
3. GND (Pin 7): Ground reference.
4. D0-D7 (Pins 15-22): Data input/output lines for reading and writing.
5. CE (Chip Enable, Pin 23): Activates the chip when low; required for read/write operations.
6. OE (Output Enable, Pin 24): Activates the output buffer when low during read operations.
7. WE (Write Enable, Pin 25): Activates writing when low.
8. RESET (Pin 26): Resets the chip, not commonly used in operation.
9. NC (No Connect, Pins 13, 27, 28): Not connected internally, can be left unconnected.
This chip is typically used in applications requiring non-volatile memory.

Manufacturer

The AT28C64B-15SU is manufactured by Microchip Technology Inc., which is a leading provider of microcontroller and microprocessor technologies. Founded in 1989 and headquartered in Chandler, Arizona, Microchip specializes in embedded control solutions, offering a wide range of products including analog, interface, memory, and digital signal controllers. The company is known for its innovative products and extensive range of development tools, catering to various industries such as automotive, industrial, and consumer electronics. Microchip is recognized for its commitment to quality and customer support, making it a significant player in the semiconductor industry.

Application

The AT28C64B-15SU is a 64Kb (8KB x 8) EEPROM used in various applications such as embedded systems, consumer electronics, automotive electronics, and industrial automation. It is suitable for storing firmware, configuration settings, and data logging. Its non-volatile memory allows for data retention without power, making it ideal for applications requiring reliable and fast access to stored information.

Equivalent

The AT28C64B-15SU is a 64Kb EEPROM. Equivalent products include:
1. 27C64 (UV EPROM)
2. 29C64A (Flash memory)
3. 28F640 (Flash memory)
4. M27C64 (UV EPROM)
5. AM28F64 (Flash memory)
Always verify compatibility in terms of voltage, pin configuration, and access time for specific applications.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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