AT28C64B-15PU
Ultra-reliable data retention and erasure capabilities for harsh environmental conditionAT28C64B-15PU
Ultra-reliable data retention and erasure capabilities for harsh environmental condition
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Manufacturer Part # : AT28C64B-15PU
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Package/Case: PDIP-28
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Brand: Microchip Technology
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Product Categories : Memory
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Series : AT28C64
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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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Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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AT28C64B-15PU 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!
Interested Parts
AT28C64B-15PU Details
The AT28C64B-15PU is an advanced parallel EEPROM memory device from Microchip, designed for reliable data storage in various applications. This 64-kilobit memory chip features a parallel interface, self-timed erase and write cycles, and low power consumption making it suitable for a wide range of industrial and consumer electronics.
Pinout
- A17-A0: Address Input (1-64)
- DQ7-DQ0: Data Output (8-bit bus)
- /CE: Chip Enable
- /WE: Write Enable
- /RE: Read Enable
- SCL and SDA: Serial Clock and Data (I2C interface)
Key Features
- 64 kilobit parallel EEPROM memory
- Parallel interface supports 8-bit data transfer
- Self-timed erase and write cycles
- Low power consumption: 10mA active current, 1μA standby current
Applications
- Industrial control systems
- Automotive electronics
- Medical devices and equipment
Where to Use
The AT28C64B-15PU is suitable for applications where reliable data storage is critical, such as industrial control systems, automotive electronics, and medical devices. The device's low power consumption and high reliability make it an excellent choice for battery-powered or system-level applications.
How to Use
To use the AT28C64B-15PU, connect the address inputs (A17-A0) to your application's control logic, and the data output (DQ7-DQ0) to your system's processing unit. The chip enable (/CE), write enable (/WE), and read enable (/RE) pins must be properly controlled to ensure correct data transfer.
(Tip: Refer to the datasheet for detailed usage instructions, including timing diagrams and signal waveforms.)
Application Circuit
The application circuit diagram for the AT28C64B-15PU illustrates how to connect the memory chip to your system's control logic. It includes connections for power supply, ground, address inputs, data output, and chip enable, write enable, and read enable pins.
(Tip: Refer to the datasheet for detailed circuit diagram connections and usage guide.)
Equivalents
- M24C64-R: A similar 64-kilobit parallel EEPROM memory device from Micron with comparable features and performance.
Complementary
The AT28C64B-15PU can be complemented by other Microchip parallel EEPROM devices, such as the AT28C32B or AT28C256B, to support larger data storage requirements.
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 for the AT28C64B-15PU?
A: The AT28C64B-15PU operates within a temperature range of -40°C to +85°C. For more information, refer to the datasheet.
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 | Through Hole | Package / Case | PDIP-28 |
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 | 3.94 mm | Length | 37.3 mm |
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 | 14 |
Subcategory | Memory & Data Storage | Width | 14.4 mm |
Unit Weight | 0.147798 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.
FAQs
What is AT28C64B-15PU?
The AT28C64B-15PU is a high-performance 64K (8K x 8) parallel EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by Microchip Technology. It is designed for applications that require non-volatile storage of data and configuration parameters, such as embedded systems, microcontroller-based designs, and legacy industrial equipment.
How Does AT28C64B-15PU Work?
The AT28C64B-15PU works by storing binary data in non-volatile memory cells, which can be electrically programmed and erased. It features a parallel interface for easy integration with microcontrollers and other digital systems. Data can be read from and written to the memory using appropriate control signals and timings.
How Many Pins does AT28C64B-15PU have and What are the Functions of the Pinout Configuration?
The AT28C64B-15PU is housed in a 28-pin DIP (Dual In-line Package) package. The pinout configuration includes:
- A0 to A13: Address input pins for selecting memory locations.
- Q0 to Q7: Data output pins for reading memory contents.
- CE: Chip enable input for activating the device.
- OE: Output enable input for enabling data output.
- WE: Write enable input for initiating write operations.
- VCC, GND: Power supply and ground pins, respectively.
- NC: No connection pin.
What are the Pros and Cons of AT28C64B-15PU?
Pros:
- Non-Volatile Storage: Retains data without power, suitable for storing critical information.
- Parallel Interface: Allows for high-speed data transfer with compatible microcontrollers.
- High Reliability: EEPROM technology offers high endurance and data retention characteristics.
- Wide Temperature Range: Can operate over a wide temperature range, suitable for industrial applications.
Cons:
- Limited Rewrite Cycles: EEPROM technology has a limited number of erase/write cycles compared to other memory types.
- Higher Cost: EEPROMs may have a higher cost per bit compared to other non-volatile memory technologies.
- Large Package Size: The 28-pin DIP package may occupy more board space compared to surface-mount alternatives.
Are There Any Equivalents/Alternatives to AT28C64B-15PU for Recommendation?
- The 28C64 from STMicroelectronics is a direct equivalent to the AT28C64B-15PU.
- Alternative EEPROMs include the 24LC64 from Microchip Technology and the M24C64 from STMicroelectronics.
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Price details
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