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25AA256T-I/SN
+StücklisteIC EEPROM 256KBIT SPI 8SOIC
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HerstellerMikrochip-Technologie
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Herstellerteil #25AA256T-I/SN
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Datenblatt 25AA256T-I/SN DataSheet
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Paket SOIC-8
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Auf Lager7616
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Spezifikationen
| Attribut | Wert |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| MemoryType | Non-Volatile |
| MemoryFormat | EEPROM |
| Technology | EEPROM |
| MemorySize | 256Kb (32K x 8) |
| MemoryInterface | SPI |
| ClockFrequency | 10 MHz |
| WriteCycleTime-WordPage | 5ms |
| Voltage-Supply | 1.8V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Übersicht
Description
Key features include low-power consumption, a write protection mechanism for data integrity, and a high endurance of over 1 million erase/write cycles per cell. The device is typically used in applications requiring reliable data storage, such as consumer electronics, automotive, and industrial systems.
The "I" in the part number indicates an industrial temperature range, making it suitable for harsh environmental conditions, while "SN" refers to its packaging type, often an 8-pin SOIC. Due to its reliability, ease of use, and efficiency, the 25AA256T-I/SN is a popular choice for developers needing dependable EEPROM solutions.
Equivalent
1. AT25256B from Microchip/Adesto Technologies: A 256Kb SPI EEPROM.
2. M95M02-DR from STMicroelectronics: A 256Kb SPI EEPROM.
3. CAT25256 from ON Semiconductor: A 256Kb SPI EEPROM.
4. SST25VF256 from SST (Microchip): A 256Kb SPI EEPROM.
These alternatives support similar functionalities with SPI interfaces and comparable storage capacities. Always check the specific datasheets for compatibility.
Features
1. Capacity: 256 Kbit (32 KB).
2. Interface: SPI bus compatible, supporting SPI modes 0 and 3.
3. Write Protection: Software and hardware write protection features, including a write-protect pin.
4. Operating Voltage: Compatible with a wide range of voltages, typically around 1.8V to 5.5V.
5. Speed: High-speed operation up to 10 MHz.
6. Data Retention: 200-year data retention, ensuring long-term reliability.
7. Endurance: 1,000,000 erase/write cycles, which is typical for EEPROMs.
8. Temperature Range: Industrial temperature range from -40°C to +85°C.
9. Package Type: Available in an 8-lead SOIC package for easy integration into designs.
These features make the 25AA256T-I/SN suitable for applications requiring reliable, non-volatile memory storage with flexible interfacing options.
Pinout
1. CS (Chip Select): Activates the device when low.
2. SO (Serial Out): Outputs data from the EEPROM.
3. WP (Write Protect): Protects the entire memory array from write operations when low.
4. VSS (Ground): Ground reference.
5. SI (Serial In): Inputs data to the EEPROM.
6. SCK (Serial Clock): Provides clock pulses for data synchronization.
7. HOLD: Pauses communication with the device without resetting the operation.
8. VCC (Power Supply): Provides the power source for the device.
The 25AA256T operates on a SPI (Serial Peripheral Interface) bus and is used in applications that require non-volatile data storage with low power consumption.
Manufacturer
Application
1. Consumer Electronics: Storing configuration settings and calibration data.
2. Industrial Control: Retaining firmware and system parameters.
3. Automotive Systems: Managing infotainment settings and diagnostic data.
4. Medical Devices: Keeping patient data and device configuration.
5. Internet of Things (IoT): Storing sensor data and network configuration.
6. Communications Equipment: Preserving network settings and logs.
7. Embedded Systems: General-purpose data storage needs.
These applications benefit from the chip's reliability, low power consumption, and small form factor.