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24AA256T-I/ST
+Lista de MateriaisIC EEPROM 256KBIT I2C 8TSSOP
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FabricanteTecnologia Microchip
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Peça do Fabricante #24AA256T-I/ST
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Ficha Técnica 24AA256T-I/ST DataSheet
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Especificações
| Atributo | Valor |
| PartStatus | Active |
| DigiKeyProgrammable | Verified |
| MemoryType | Non-Volatile |
| MemoryFormat | EEPROM |
| Technology | EEPROM |
| MemorySize | 256Kbit |
| MemoryOrganization | 32K x 8 |
| MemoryInterface | I2C |
| WriteCycleTime-Word,Page | 5ms |
| Voltage-Supply | 1.7V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-TSSOP (0.173", 4.40mm Width) |
| SupplierDevicePackage | 8-TSSOP |
| BaseProductNumber | 24AA256 |
| ClockFrequency | 400 kHz |
| AccessTime | 900 ns |
Visão Geral
Description
Operating on a supply voltage range from 1.7V to 5.5V, the 24AA256T-I/ST supports a standard I²C serial interface, facilitating seamless communication with microcontrollers and other I²C-compatible devices. It features a low-power CMOS technology, making it energy efficient for battery-powered applications. The device includes built-in features such as a write-protect pin to safeguard data integrity and endurance of over 1 million erase/write cycles, ensuring long-term reliability.
With a wide operational temperature range from -40°C to +85°C, the 24AA256T-I/ST is suitable for use in various environments. Its small 8-lead SOIC package enhances versatility in circuit board design, making it ideal for consumer electronics, automotive, industrial, and medical applications.
Equivalent
1. AT24C256 - from Atmel (now part of Microchip)
2. M24C256 - from STMicroelectronics
3. CAT24C256 - from ON Semiconductor
4. BR24G256 - from ROHM Semiconductor
These chips offer similar storage capacity, interface, and functionality, making them suitable substitutes for applications requiring a 256Kb I2C EEPROM. Always verify pin compatibility and other specifications before substituting.
Features
1. I2C Interface: It supports a 2-wire serial interface, compatible with I2C, allowing for easy integration with various microcontrollers.
2. High-Endurance: The EEPROM offers over 1 million erase/write cycles for reliable data retention.
3. Wide Operating Voltage: It operates from 1.7V to 5.5V, making it suitable for a variety of applications.
4. Temperature Range: It is designed for industrial temperature ranges from -40°C to +85°C.
5. Data Retention: The device provides data retention of more than 200 years, ensuring the longevity of stored information.
6. Page Write Capability: It features a 64-byte page write capability, enabling efficient data management.
7. Low Power Consumption: The EEPROM is designed for low power usage, with a standby current of less than 1 µA.
8. Package Options: Available in SOIC and TSSOP packages, offering flexibility in design and implementation.
These features make the 24AA256T-I/ST suitable for a wide range of applications requiring non-volatile memory, such as consumer electronics, automotive systems, and industrial controls.
Pinout
1. A0, A1, A2 (Pins 1, 2, 3): Address inputs used to select one of up to eight devices of the same type on the same I2C bus.
2. VSS (Pin 4): Ground pin.
3. SDA (Pin 5): Serial Data line, used for bidirectional data transfer between the device and the I2C bus.
4. SCL (Pin 6): Serial Clock line, used to synchronize data transfer over the I2C bus.
5. WP (Pin 7): Write-Protect input, used to enable or disable write operations to the entire memory array.
6. VCC (Pin 8): Power supply pin.
This EEPROM is utilized in applications for data storage where non-volatile memory is needed.
Manufacturer
Microchip is known for its emphasis on providing innovative and reliable semiconductor solutions that help customers create optimized designs. The company offers comprehensive development tools and support, making it easier for engineers to incorporate its products into their applications. The 24AA256T-I/ST, for example, is a part of Microchip's EEPROM (Electrically Erasable Programmable Read-Only Memory) offerings, which are used for non-volatile memory storage in various applications.