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25LC040AT-I/OT
+Lista de MateriaisIC EEPROM 4KBIT SPI SOT23-6
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FabricanteTecnologia Microchip
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Peça do Fabricante #25LC040AT-I/OT
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Ficha Técnica 25LC040AT-I/OT DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Digi Key Programmable | Verified |
| Memory Type | Non-Volatile |
| Memory Format | EEPROM |
| Technology | EEPROM |
| Memory Size | 4Kbit |
| Memory Organization | 512 x 8 |
| Memory Interface | SPI |
| Write Cycle Time - Word, Page | 5ms |
| Voltage - Supply | 2.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | SOT-23-6 |
| Supplier Device Package | SOT-23-6 |
| Base Product Number | 25LC040 |
| Clock Frequency | 10 MHz |
Visão Geral
Description
Key features of the 25LC040AT-I/OT include a low operating voltage range from 1.8V to 5.5V, which provides compatibility with a wide range of microcontrollers and systems. It offers a maximum clock frequency of 10 MHz, enabling fast data transfer. The EEPROM also supports sequential read operations, allowing for efficient data retrieval.
Designed for industrial temperature ranges, it operates between -40°C and +85°C, ensuring reliability in various environments. The chip includes write protection features to safeguard data integrity. Its small form factor, available in SOIC-8 and other compact package types, makes it ideal for space-constrained applications such as consumer electronics, automotive systems, and industrial controls.
Equivalent
1. Atmel (Microchip Technology) AT25XXX Series: Specifically, the AT25040.
2. STMicroelectronics M95XXX Series: Particularly, the M95040.
3. ON Semiconductor CAT25XXX Series: Such as the CAT25040.
4. ROHM BR25XXX Series: For example, the BR25H040.
These chips offer similar features and functionality for data storage applications.
Features
Key features include:
1. Low Power Consumption: The device consumes minimal power, both in active and standby modes, which is advantageous for battery-powered applications.
2. High Endurance: The EEPROM can endure 1 million erase/write cycles per byte, ensuring reliability over extended periods.
3. Data Retention: It offers data retention capability of over 200 years.
4. Page-write Capability: The device allows for page write operations of up to 16 bytes, improving efficiency in data writing.
5. Temperature Range: It operates within a temperature range of -40°C to +85°C, suited for industrial environments.
The 25LC040AT-I/OT is commonly used in applications requiring non-volatile memory for data logging, configuration data storage, and parameter storage.
Pinout
1. CS (Chip Select): Activates the device when low.
2. SO (Serial Out): Outputs data from the EEPROM to the SPI bus.
3. WP (Write Protect): Protects the entire memory area from write operations when held low.
4. VSS: Ground reference for the device.
5. SI (Serial In): Inputs data into the EEPROM from the SPI bus.
6. SCK (Serial Clock): Provides the clock for data transfer.
7. HOLD: Pauses communication with the device without deselecting it.
8. VCC: Power supply pin.
This EEPROM is used for non-volatile and reprogrammable data storage, often in applications requiring reliable data retention like embedded systems, consumer electronics, and industrial controls.