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25AA128T-I/SN
+Lista de MateriaisIC EEPROM 128KBIT SPI 8SOIC
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FabricanteTecnologia Microchip
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Peça do Fabricante #25AA128T-I/SN
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Ficha Técnica 25AA128T-I/SN DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| DigiKeyProgrammable | Verified |
| MemoryType | Non-Volatile |
| MemoryFormat | EEPROM |
| Technology | EEPROM |
| MemorySize | 128Kbit |
| MemoryOrganization | 16K x 8 |
| MemoryInterface | SPI |
| WriteCycleTime-Word,Page | 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) |
| SupplierDevicePackage | 8-SOIC |
| BaseProductNumber | 25AA128 |
| ClockFrequency | 10 MHz |
Visão Geral
Description
Key features include a Serial Peripheral Interface (SPI) that supports high-speed data transfer and provides a simple interface for communication with microcontrollers and other devices. It also has a write-protect pin to safeguard against accidental data overwrites, and it supports byte-level or page-level data writing.
The 25AA128T-I/SN is housed in an 8-pin SOIC package, making it easy to integrate into circuit designs. Its endurance is rated at 1,000,000 erase/write cycles, with data retention of over 200 years, ensuring long-term reliability. This makes it ideal for applications like data logging, calibration storage, and other uses where dependable data retention is crucial.
Equivalent
Features
1. Memory Capacity: 128 Kbit (16 Kbytes).
2. Interface: Uses a Serial Peripheral Interface (SPI) for communication, supporting SPI modes 0 and 3.
3. Voltage Range: Operates at a wide voltage range, typically from 1.8V to 5.5V.
4. Low-Power Operation: Includes power-saving features and low standby current.
5. Endurance and Retention: Offers high endurance with up to 1 million write/erase cycles and data retention of over 200 years.
6. Page Write Capability: Supports page write operations, with a page size of 64 bytes.
7. Write Protection: Features block write protection for sections of the memory.
8. Industrial Temperature Range: Suitable for operation in industrial environments, typically from -40°C to +85°C.
9. Package: Available in various packages, including SOIC, which is denoted by the "SN" in the part number.
These features make it suitable for a range of applications requiring reliable non-volatile memory storage.
Pinout
The chip comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. Here is a brief overview of the pin functions:
1. CS (Chip Select): Activates the device by bringing it low, allowing access to the memory.
2. SO (Serial Out): Serial data output pin used for data transfer from the EEPROM to the microcontroller.
3. WP (Write Protect): Disables all write operations when driven low, providing hardware data protection.
4. VSS (Ground): Ground reference for the chip.
5. SI (Serial In): Serial data input pin used to transfer data from the microcontroller to the EEPROM.
6. SCK (Serial Clock): Clock input for synchronizing data transfer.
7. HOLD: Pauses serial communication without resetting the device.
8. VCC (Power Supply): Power supply voltage input for the chip.
These pins facilitate communication via the SPI (Serial Peripheral Interface) protocol, enabling efficient data storage and retrieval.