AT28C64B-15JU

Name: AT28C64B-15JU
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

EEPROM 64K 8K x 8 150 ns 4.5V-5.5V

5,225 Effective Inventory

AT28C64B-15JU

Effective Inventory5,225

EEPROM 64K 8K x 8 150 ns 4.5V-5.5V

Manufacturer Part # : AT28C64B-15JU
Package/Case: PLCC-32
Brand: Microchip Technology
Product Categories : Memory
Series : AT28C64

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AT28C64B-15JU DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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AT28C64B-15JU Details

The AT28C64B-15JU is a high-performance EEPROM (Electrically Erasable Programmable Read-Only Memory) chip from Microchip Technology, offering a storage capacity of 64K bits. This EEPROM features a fast access time and low-power consumption, making it suitable for a wide range of applications requiring non-volatile memory storage. It is housed in a JEDEC standard 28-pin PLCC package, providing ease of integration into electronic systems.

Pinout

1 (/OE): Output Enable
2 (A0-A14): Address Inputs
3 (A14): Address Input
4 (/CE): Chip Enable
5 (/WE): Write Enable
6 (/OE): Output Enable
7-28 (DQ0-DQ7): Data Input/Output

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

Key Features

High Storage Capacity: Offers a storage capacity of 64K bits for data storage.
Fast Access Time: Provides quick access to stored data for efficient operation.
Low Power Consumption: Designed for energy-efficient applications requiring non-volatile memory.
JEDEC Standard Package: Housed in a 28-pin PLCC package for standard compatibility and easy integration.
Reliable Performance: Ensures reliable data storage and retrieval for various electronic systems.

Application

Embedded Systems: Ideal for storing program data and configuration settings in embedded systems.
Consumer Electronics: Used in consumer electronic devices for non-volatile memory storage.
Industrial Automation: Applied in industrial automation systems for data logging and parameter storage.

Where to Use

The AT28C64B-15JU is suitable for applications requiring non-volatile memory storage, especially in embedded systems, consumer electronics, and industrial automation. It provides reliable data storage and easy integration for a variety of electronic devices.

How to Use

Integrate the AT28C64B-15JU into your circuit by connecting the address inputs and control pins according to the system requirements. Ensure proper power supply connections and adhere to the timing specifications for read and write operations. Consult the datasheet for detailed usage instructions and timing diagrams.

Equivalents

AT28C64B-15PU: A similar EEPROM variant with comparable features and performance specifications.
AT28C64B-15PC: Another version of the AT28C64B offering similar functionality in a different package.

Complementary

The AT28C64B-15JU can be paired with the ATmega328P microcontroller for integrated data storage and processing capabilities in embedded system designs. Both components work seamlessly together to enhance system performance and reliability.

When combining components, ensure compatibility and proper interfacing to maximize system functionality.

Frequently Asked Questions

Q: What is the typical access time of the AT28C64B-15JU?

A: The AT28C64B-15JU features a typical access time of 150 nanoseconds, providing quick data retrieval for efficient system operation.

Q: Can the AT28C64B-15JU be used in battery-powered devices?

A: Yes, the low-power consumption of the AT28C64B-15JU makes it suitable for use in battery-powered devices requiring non-volatile memory storage.

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	PLCC-32
Interface Type	Parallel	Memory Size !	64 kbit
Organization	8 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	40 mA	Series	AT28C64B
Active Read Current - Max	40 mA	Brand	Microchip Technology
Height	2.79 mm (Min)	Length	14.1 mm (Max)
Moisture Sensitive	Yes	Operating Supply Current	40 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	32	Subcategory	Memory & Data Storage
Width	11.51 mm (Max)	Unit Weight	0.076051 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 AT28C64B-15JU PDF Download

FAQs

What is AT28C64B-15JU?

The AT28C64B-15JU is a 64-kilobit (8K x 8) electrically erasable and programmable read-only memory (EEPROM) organized as 8K words of 8 bits each. It is designed by Microchip Technology and is suitable for applications requiring non-volatile data storage and program memory.

How Does AT28C64B-15JU Work?

The AT28C64B-15JU operates by storing and retrieving digital data electronically without the need for a power supply. It uses electrically erasable and programmable memory cells to store and retain data even when the power is removed. The memory can be written to and erased electrically, providing a reliable and reusable non-volatile storage solution.

How Many Pins does AT28C64B-15JU have and What are the Functions of the Pinout Configuration?

The AT28C64B-15JU is housed in a 32-lead PLCC (Plastic Leaded Chip Carrier) package. The pinout configuration includes:

A0-A12: Address input pins.
CE: Chip enable input pin.
OE: Output enable input pin.
WE: Write enable input pin.
BYTE: Programming mode control pin.
VCC, VSS: Power supply and ground pins, respectively.
NC: No connection pin.
DQ0-DQ7: Data input/output pins.

What are the Pros and Cons of AT28C64B-15JU?

Pros:

Non-Volatile: Retains data even when powered off, suitable for data storage applications.
Electrically Erasable and Programmable: Allows for easy modification and reprogramming of data.
Reliable: Provides reliable data retention and endurance for long periods of time and many erase/write cycles.
Security: Can be used to store critical configuration or encryption keys securely.

Cons:

Read/Write Speed: EEPROMs generally have slower read/write speeds compared to other memory technologies.
Limited Endurance: Has a limited number of erase/write cycles compared to other non-volatile memory types.
Complex Interface: Requires specific interface control for proper read, write, and erase operations.

Are There Any Equivalents/Alternatives to AT28C64B-15JU for Recommendation?

The M27C64A from STMicroelectronics is a comparable 64-kilobit EEPROM.
Alternatives to the AT28C64B-15JU include the CAT28C64B from ON Semiconductor and the 28C64 from Microchip Technology.