AT24C256BN-SH-T
EEPROM Memory IC
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AT24C256BN-SH-T 數據表
價格 (USD)
數量 | 單價 | 總價 |
---|---|---|
1 | $2.289 | $2.29 |
200 | $0.915 | $183.00 |
500 | $0.883 | $441.50 |
1000 | $0.868 | $868.00 |
這些價格會受到市場波動的影響,需要提交報價才能取得最新價格。
詳細說明
Microchip Technology's AT24C256BN-SH-T is a 256Kbit Serial EEPROM memory chip with wide voltage operation and high-speed serial interface. This chip offers efficient read and write operations, thanks to its 32 byte page write capability, making it suitable for various electronic devices. The built-in write protection feature ensures data security, while the guaranteed 1,000,000 write cycles and 100-year data retention make it ideal for long-term data storage applications. Its small form factor and low power consumption further enhance its appeal for use in smart meters, industrial sensors, and automotive systems
主要特徵
- The AT24C256BN-SH-T is a reliable and efficient memory solution
- It has high endurance, fast access time, and low power consumption
- The chip is widely used in industrial control systems and automotive applications
- The AT24C256BN-SH-T supports multiple protocols including I2C and SPI
- The memory chip features byte-write and page-write capabilities
- It operates from 1.7V to 5.5V with low standby current
應用
- Sensors data protection
- Access control system encryption
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-8 |
Interface Type | 2-Wire, I2C | Memory Size ! | 256 kbit |
Organization | 32 k x 8 | Supply Voltage - Min | 1.8 V |
Supply Voltage - Max | 5.5 V | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 85 C | Maximum Clock Frequency | 400 kHz |
Access Time | 900 ns | Data Retention | 40 Year |
Supply Current - Max | 3 mA | Active Read Current - Max | 3 mA |
Brand | Microchip Technology | Height | 1.5 mm (Max) |
Length | 5 mm (Max) | Operating Supply Current | 3 mA |
Operating Supply Voltage ! | 2.5 V, 3.3 V, 5 V | Product Type ! | EEPROM |
Factory Pack Quantity | 4000 | Subcategory | Memory & Data Storage |
Width | 3.99 mm (Max) | Unit Weight | 0.019048 oz |
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 AT24C256BN-SH-T?
The AT24C256BN-SH-T is a 256-Kbit (32,768 x 8) I2C-compatible serial EEPROM (Electrically Erasable Programmable Read-Only Memory) designed by Microchip Technology. It is ideal for applications requiring non-volatile storage of data, such as small embedded systems, consumer electronics, and industrial controls.
How Does AT24C256BN-SH-T Work?
The AT24C256BN-SH-T works by allowing byte-level read and write operations through the I2C interface. It stores data even when the power is turned off, providing non-volatile memory storage for various applications. The EEPROM features a simple and efficient interface that enables easy integration into microcontroller-based systems.
How Many Pins does AT24C256BN-SH-T have and What are the Functions of the Pinout Configuration?
The AT24C256BN-SH-T is housed in an 8-lead SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:
- A0, A1, A2: Device address input pins for I2C addressing.
- VCC: Power supply pin.
- GND: Ground pin.
- SCL: Serial Clock input for I2C communication.
- SDA: Serial Data I/O for I2C communication.
- WP: Write Protect input for hardware write protection.
What are the Pros and Cons of AT24C256BN-SH-T?
Pros:
- Non-Volatile Storage: Retains data even when power is removed, ensuring data integrity.
- Simple I2C Interface: Allows easy integration and communication with microcontrollers.
- Low Power Consumption: Operates with low power, suitable for battery-powered devices.
- Wide Voltage Range: Supports a wide voltage range for flexible system design.
- Small Package: The 8-lead SOIC package is space-efficient and suitable for compact designs.
Cons:
- Storage Limitation: Limited to 256-Kbit storage capacity, may not be sufficient for larger data storage requirements.
- Write Time: EEPROM write operations may take longer compared to RAM or other volatile memory technologies.
- Endurance Limit: Limited endurance cycles for write and erase operations may affect long-term reliability in certain applications.
Are There Any Equivalents/Alternatives to AT24C256BN-SH-T for Recommendation?
- An equivalent part to the AT24C256BN-SH-T is the CAT24C256WI-GT3 from ON Semiconductor.
- Alternatives to the AT24C256BN-SH-T include the 24LC256 from Microchip Technology and the M24C256 from STMicroelectronics.
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