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Name: AT28C64B-15JU-T
Brand: Microchip Technology
SKU: AT28C64B-15JU-T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology AT28C64B-15JU-T

Part No.:: AT28C64B-15JU-T

Manufacturer:: Microchip Technology

Package:: 32-LCC (J-Lead)

Datasheet:: AT28C64B-15JU-T.pdf

Description:: IC EEPROM 64KBIT PARALLEL 32PLCC

In Stock:: 3376

Quantity:: Add To Cart

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AT28C64B-15JU-T Specifications

Package/Case:
32-LCC (J-Lead)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
EEPROM
Technology:
EEPROM
MemorySize:
64Kb (8K x 8)
MemoryInterface:
Parallel
ClockFrequency:
-
WriteCycleTime-WordPage:
10ms
AccessTime:
150 ns
Voltage-Supply:
4.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C (TC)
MountingType:
Surface Mount

AT28C64B-15JU-T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AT28C64B-15JU-T price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for AT28C64B-15JU-T to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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AT28C64B-15JU-T information

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AT28C64B-15JU-T Typical application Circuitry

The AT28C64B-15JU-T is an 8K x 8 Parallel EEPROM (Electrically Erasable Programmable Read-Only Memory) chip. It's manufactured by Microchip Technology and designed for high-speed read and write operations.

Typical Application Scenarios

- Embedded Systems

- Data Logging Systems

- Configuration Settings

- Firmware Storage

Feature Highlights

- Memory Size: 64K-bit (8K x 8)

- Read Access Time: 150ns

- Operating Voltage: 4.5V - 5.5V

- Write Cycle Time: 1ms (Typical)

- Data Retention: Over 40 years

- Endurance: 100,000 cycles

Schematic Details for a Data Logging System

Hardware Components Needed:

- AT28C64B-15JU-T EEPROM chip

- Microcontroller Unit (MCU)

- Pull-up resistors (10kΩ)

- 0.1µF and 1µF decoupling capacitors

- 5V DC Power supply

Circuit Connections:

1. Power Setup:

- The VCC of AT28C64B-15JU-T (Pin 28) is connected to a 5V DC power supply, while GND (Pin 14) is connected to ground.

2. Data Bus Configuration:

- The EEPROM's data pins D0-D7 (Pins 11-18) are interfaced directly with the MCU's data bus lines.

3. Addressing Mechanism:

- Address Pins (A0 to A12): Pins 1-9, 21-23 on the AT28C64B-15JU-T are connected to the address bus of the MCU for data location addressing.

4.Control Signal Handling:

- CE (Chip Enable): Pin 20 on the AT28C64B-15JU-T connects to an MCU GPIO pin. A 10kΩ pull-up resistor keeps this pin high when not actively controlled.

- OE (Output Enable): Pin 22 should connect to another MCU GPIO pin to control data output.

- WE (Write Enable): Pin 27 is used for write operations and should be connected to yet another MCU GPIO pin.

5.Decoupling Capacitors:

- Place a 0.1µF capacitor between the VCC and GND pins for high-frequency noise filtering.

- For low-frequency noise, employ a 1µF capacitor near the VCC and GND pins.

Key Design Elements to Consider

- Voltage Levels: Ensure that the power supply voltage is within the specifications of AT28C64B-15JU-T to avoid damage.

- Data Coherency: Make sure the data is correctly written or read by respecting the timing requirements of the AT28C64B-15JU-T.

- Write-Protection: Consider implementing write-protection mechanisms to protect critical data sections.

- Noise Immunity: The presence of decoupling capacitors and pull-up resistors is crucial for reducing electrical noise in the system.

By adhering to these guidelines, one can effectively integrate the AT28C64B-15JU-T into a data logging system, ensuring robust and reliable performance.

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6. What is the process for return or replacement of AT28C64B-15JU-T?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of AT28C64B-15JU-T.

(3)The PartNo is unused and only in the original unpacked packaging.

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