| Allicdata Part #: | 25AA256T-E/SN-ND |
| Manufacturer Part#: |
25AA256T-E/SN |
| Price: | $ 0.81 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Microchip Technology |
| Short Description: | IC EEPROM 256K SPI 10MHZ 8SOIC |
| More Detail: | EEPROM Memory IC 256Kb (32K x 8) SPI 10MHz 8-SOIC |
| DataSheet: |  25AA256T-E/SN Datasheet/PDF |
| Quantity: | 1000 |
| 3300 +: | $ 0.73002 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Memory Type: | Non-Volatile |
| Memory Format: | EEPROM |
| Technology: | EEPROM |
| Memory Size: | 256Kb (32K x 8) |
| Clock Frequency: | 10MHz |
| Write Cycle Time - Word, Page: | 5ms |
| Memory Interface: | SPI |
| Voltage - Supply: | 1.8 V ~ 5.5 V |
| Operating Temperature: | -40°C ~ 125°C (TA) |
| Mounting Type: | Surface Mount |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package: | 8-SOIC |
| Base Part Number: | 25AA256 |
Description
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The 25AA256T-E/SN memory device is a very popular integrated circuit (IC) for various electronic applications. The device is used for many electronic data storage and communication purposes. It is a non-volatile memory device, meaning it retains its data even when power is removed. The 25AA256T-E/SN memory device comes in an 8-pin dual in-line package (DIP) and uses a Serial Peripheral Interface (SPI) protocol for data transfers.
The 25AA256T-E/SN is a 256Kbit (32KBytes) SPI EEPROM with a variety of features. It has an operating voltage range of 2.7V to 5.5V, making it suitable for use in most modern microcontrollers, systems on chips (SoCs) and other embedded systems. It has an extended voltage range of -1V to +7V, allowing it to handle data even in extreme conditions. It also features an intelligent write capability, reducing the processor burden of data transfers. The device has a write cycle endurance of 100,000 cycles and data retention of up to 100 years at 25°C. It is also available in a wide range of packages: 8-pin SOIC, 8-pin PDIP, 8-pin TSSOP and 14-pin TSSOP.
The 25AA256T-E/SN has a few different application fields. It is used in fields such as industrial automation, automotive, consumer electronics and mobile communication. In industrial automation, the memory device is used for storing calibration constants and data in sensors and actuators. In automotive applications, the device is used for storing critical data like engine and transmission settings. In both consumer electronics and mobile communication, the device is used to store software code and system data.
The 25AA256T-E/SN memory device works on the principle of capacitive storage. Every cell in the device is composed of two capacitors. A write operation causes charge to move from one capacitor to the other. This movement of charge produces a positive voltage on one cell and a negative voltage on the other. This voltage difference produces a current which is detected by the peripheral components. This type of data write operation is highly reliable and can only be altered by an explicit write command.
The 25AA256T-E/SN memory device also works on a system of strict write levels. It requires specific voltages to be applied to the memory cell before a write operation can be performed. These voltages are set by the system controller and must be precisely controlled. The device also has write protection features that prevent unintentional writes. This ensures data stored in the device remains secure and unaltered.
In conclusion, the 25AA256T-E/SN memory device is a highly functional and reliable storage device that is suitable for a variety of applications. It offers an extended voltage range, high data retention rates, write cycle endurance and strict write level protection. The device is used mainly for industrial automation, automotive, consumer electronics and mobile communication applications. Its principles are based on capacitive storage and the need for precise voltage control for successful write operations.
The specific data is subject to PDF, and the above content is for reference
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