AT28BV256-20TU

Name: AT28BV256-20TU
Brand: Microchip Technology
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

3.3V 28-Pin TSOP-I Tray

7,557 Effective Inventory

AT28BV256-20TU

Effective Inventory7,557

3.3V 28-Pin TSOP-I Tray

Manufacturer Part # : AT28BV256-20TU
Package/Case: TSOP-28
Brand: Microchip Technology
Product Categories : Memory
Series : AT28BV256

Quality Assurance

All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.

Certification

We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.

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About Shipping

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Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

Confirm the return or exchange with our staff.

Maintain the goods in their original condition as received.

Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]

About packaging

Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.

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AT28BV256-20TU DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$10.616	$10.62
200	$4.109	$821.80
500	$3.965	$1,982.50
1000	$3.893	$3,893.00

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

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AT28BV256-20TU Details

The AT28BV256-20TU is a 256K (32K x 8) Parallel EEPROM with a 200ns Access Time from Microchip, designed for reliable data storage and retrieval in various applications. This device offers byte-write and page-write capabilities, making it suitable for use in battery-backed systems, medical equipment, and critical data storage applications.

Pinout

A0-A17: Address Inputs (Parallel)
WE: Write Enable Input
OE: Output Enable Input
CE: Chip Enable Input
VCC: Positive Power Supply (5V)
GND: Ground

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

Key Features

256K (32K x 8) Capacity: Offers a large storage capacity for storing data in various applications.
200ns Access Time: Provides fast access to stored data, making it suitable for high-speed applications.
Byte-Write and Page-Write Capabilities: Enables efficient writing of data, reducing the number of write cycles required.
Low Power Consumption: Designed to consume low power, making it suitable for battery-powered devices or systems with limited power resources.

Applications

The AT28BV256-20TU is suitable for use in various applications that require reliable data storage and retrieval, including:

Battery-backed systems
Medical equipment
Critical data storage applications
Industrial control systems

Where to Use

The AT28BV256-20TU can be used in various environments, including:

Industrial settings
Medical facilities
Aerospace applications
Automotive systems

How to Use

To use the AT28BV256-20TU, follow these steps:

Connect the address inputs (A0-A17) to the desired address lines.
Apply a write enable signal (WE) to initiate writing operations.
Use the output enable signal (OE) to control data output.
Apply a chip enable signal (CE) to select the device for reading or writing operations.

Application Circuit

The application circuit diagram for the AT28BV256-20TU illustrates how to connect the device to an external system. It includes connections for power supply, ground, and address lines, ensuring proper operation and reliable data storage.

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

Equivalents

M29W256DB: A similar 256K (32K x 8) Parallel EEPROM from Micron Technology offering comparable features and performance.
AT28BV256D: An alternative 256K (32K x 8) Parallel EEPROM from Microchip with equivalent functionality.

Complementary

The AT28BV256-20TU can be complemented by the AT28BV512-20TU, which offers a higher storage capacity of 512K (64K x 8) and is suitable for use in applications that require even larger data storage capabilities.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum operating temperature range of the AT28BV256-20TU?

A: The AT28BV256-20TU operates within a temperature range of -40°C to 85°C.

Q: Can the AT28BV256-20TU be used in automotive applications?

A: Yes, the AT28BV256-20TU is suitable for use in automotive applications, offering reliable data storage and retrieval capabilities.

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	TSOP-28
Interface Type	Parallel	Memory Size !	256 kbit
Organization	32 k x 8	Supply Voltage - Min	2.7 V
Supply Voltage - Max	3.6 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 85 C	Maximum Clock Frequency	5 MHz
Access Time	200 ns	Data Retention	10 Year
Supply Current - Max	15 mA	Series	AT28BV256
Active Read Current - Max	15 mA	Brand	Microchip Technology
Height	1 mm	Length	8 mm
Moisture Sensitive	Yes	Operating Supply Current	15 mA
Operating Supply Voltage !	3.3 V	Output Enable Access Time	80 ns
Product Type !	EEPROM	Programming Voltage !	2.7 V to 3.6 V
Factory Pack Quantity	234	Subcategory	Memory & Data Storage
Width	11.8 mm	Unit Weight	0.055592 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 AT28BV256-20TU PDF Download

FAQs

What is AT28BV256-20TU?

The AT28BV256-20TU is a low-power, high-performance 256Kbit (32K x 8) electrically erasable programmable read-only memory (EEPROM) designed by Microchip Technology. It is ideal for applications requiring non-volatile data storage and easy reprogramming, such as embedded systems, automotive electronics, and industrial control systems.

How Does AT28BV256-20TU Work?

The AT28BV256-20TU works by storing digital data even when power is removed from the device, making it suitable for applications requiring non-volatile memory. It can be electrically erased and reprogrammed, providing flexibility in data storage and updates. The EEPROM utilizes a standard serial interface for easy integration into various systems.

How Many Pins does AT28BV256-20TU have and What are the Functions of the Pinout Configuration?

The AT28BV256-20TU is housed in a 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC: Power supply pin.
GND: Ground pin.
OE: Output enable pin for controlling data output.
WE: Write enable pin for controlling data input and write operations.
BYTE: Byte organization selection pin.
A0-A13: Address input pins for memory addressing.
DQ0-DQ7: Data input/output pins.

What are the Pros and Cons of AT28BV256-20TU?

Pros:

Non-Volatile Memory: Retains data even without power, suitable for data storage in various applications.
High Reliability: Consistent performance over a wide range of operating conditions.
Low Power Consumption: Operates with low power, ideal for battery-powered devices.
Easy Reprogramming: Allows for easy updates and changes to stored data.
Standard Interface: Utilizes a standard serial interface for simplified integration.

Cons:

Limited Capacity: May not be suitable for applications requiring larger memory capacity.
Slow Write Speed: EEPROMs typically have slower write speeds compared to other non-volatile memory technologies.
Endurance Limit: EEPROMs have a limited number of erase/write cycles before degradation.

Are There Any Equivalents/Alternatives to AT28BV256-20TU for Recommendation?

Alternatives to the AT28BV256-20TU include the 25LC256 from Microchip Technology, the CAT28C256 from ON Semiconductor, and the M93C86 from STMicroelectronics.