AT28C64B-15SU
EEPROM 64K 8K x 8 150 ns 4.5V-5.5V
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製造商零件號 # : AT28C64B-15SU
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包裝/封裝: SOIC-28
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製造商: Microchip Technology
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產品分類 : Memory
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AT28C64B-15SU 數據表
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詳細說明
When it comes to data storage, the AT28C64B-15SU is an industry leader. This CMOS EEPROM chip offers byte-level programming and erasing capabilities, making it an ideal solution for a variety of applications where data management is critical. Whether you're developing a new embedded system or updating an existing product, this chip is sure to meet your needs
主要特徵
- Suitable for a wide range of applications
- MICROWIRE architecture for fast data transfer
- High endurance and reliability guaranteed
規格
以下是所選零件的基本參數,涉及零件的特性及其所屬類別。
Product Category ! | EEPROM | RoHS | Details |
Mounting Style | SMD/SMT | Package / Case | SOIC-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 | 2.37 mm | Length | 18.1 mm |
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 | 27 | Subcategory | Memory & Data Storage |
Width | 7.6 mm | Unit Weight | 0.062823 oz |
Specification Comparison
數據表 PDF
數據表記錄了器件的特性、絕對最大額定值、應用等,這對於作為器件特定應用的整體指南大有裨益。
常見問題解答
What is AT28C64B-15SU?
The AT28C64B-15SU is a 64K (8K x 8) Parallel EEPROM (Electrically Erasable Programmable Read-Only Memory) designed by Microchip Technology. It is ideal for applications requiring non-volatile data storage, such as microcontroller programming, configuration storage, and data logging.
How Does AT28C64B-15SU Work?
The AT28C64B-15SU operates as a non-volatile memory device capable of storing digital data without the need for a continuous power source. It utilizes parallel communication for both data input and output, allowing for efficient interfacing with external microcontrollers or data processors. The EEPROM can be electronically erased and reprogrammed, providing flexibility for data updates and revisions.
How Many Pins does AT28C64B-15SU have and What are the Functions of the Pinout Configuration?
The AT28C64B-15SU is housed in a 28-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- A0 - A13: Address inputs for selecting memory locations.
- IO0 - IO7: Bidirectional data input/output pins.
- CE: Chip enable for activating the device.
- OE: Output enable for enabling data output.
- WE: Write enable for initiating write operations.
- VCC: Power supply pin.
- GND: Ground pin.
What are the Pros and Cons of AT28C64B-15SU?
Pros:
- Non-Volatile Storage: Retains data even without power, suitable for data backup and storage.
- Parallel Interface: Allows for high-speed data transfer and efficient interfacing with microcontrollers.
- Flexible Write Operations: Supports electronic erasure and reprogramming for data updates.
- Wide Voltage Range: Can operate within a wide supply voltage range, providing flexibility in system design.
Cons:
- Programming Complexity: Requires careful handling and specific control signals for write operations.
- Limited Endurance: May have a limited number of erase/write cycles compared to other non-volatile memory technologies.
- Package Size: The 28-lead SOIC package may require more board space compared to smaller form factors.
Are There Any Equivalents/Alternatives to AT28C64B-15SU for Recommendation?
The 28C64 from STMicroelectronics is an equivalent alternative to the AT28C64B-15SU. Alternative options include the M93C66 from Microchip Technology and the 64K from Atmel Corporation.
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