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24LC64T-E/OT
+BOMIC EEPROM 64KBIT I2C SOT23-5
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ManufacturerMicrochip Technology
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Mfr. Part #24LC64T-E/OT
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Datasheet 24LC64T-E/OT DataSheet
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Package SC-74A,SOT-753
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In Stock5198
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| MemoryType | Non-Volatile |
| MemoryFormat | EEPROM |
| Technology | EEPROM |
| MemorySize | 64Kb (8K x 8) |
| MemoryInterface | I²C |
| ClockFrequency | 400 kHz |
| WriteCycleTime-WordPage | 5ms |
| AccessTime | 900 ns |
| Voltage-Supply | 2.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 125°C (TA) |
| MountingType | Surface Mount |
| Package/Case | SC-74A, SOT-753 |
Overview
Description
Key features include a low power consumption mode, a maximum clock frequency of 400kHz, and a page write capability of 32 bytes. It supports bidirectional data transfer over a two-wire serial interface and is capable of 1,000,000 erase/write cycles per cell. The device comes in a compact SOT-23-5 package, suitable for space-constrained applications.
The 24LC64T-E/OT is ideal for storing configuration settings, calibration data, or any information that needs to be preserved after power cycling. Its reliability, durability, and ease of integration make it a popular choice in consumer electronics, industrial control systems, and automotive applications.
Equivalent
1. AT24C64 from Microchip/Atmel
2. M24C64 from STMicroelectronics
3. CAT24C64 from ON Semiconductor
4. BR24C64 from ROHM
5. FM24C64 from Cypress Semiconductor
These chips share similar specifications, including memory size and I2C interface, but may differ slightly in features such as operating voltage and temperature range, so always verify compatibility with your specific application.
Features
- Capacity: 64Kb (8KB) organized as 8,192 x 8 bits.
- Interface: I2C serial interface with data transfer rates of up to 400 kHz (Fast Mode).
- Voltage Range: Operates across a wide voltage range from 1.7V to 5.5V.
- Low Power Consumption: Offers low active current and low standby current.
- Page Write Capability: Supports up to 32-byte page writes.
- Endurance: 1,000,000 erase/write cycles per byte, ensuring reliable data storage.
- Data Retention: 200 years, providing long-term data storage capability.
- Temperature Range: Operates in a wide temperature range, which makes it suitable for various applications.
- Package: Available in an 8-lead SOT-23 package for compact applications.
- Security: Includes hardware write-protect feature for enhanced data protection.
These features make the 24LC64T-E/OT suitable for applications demanding reliable EEPROM storage with low power consumption and durability.
Pinout
1. VCC (Pin 8): Power supply pin, typically connected to a voltage source in the range of 2.5V to 5.5V.
2. GND (Pin 4): Ground pin.
3. SDA (Pin 5): Serial Data line used for data input/output. It is an open-drain bidirectional pin.
4. SCL (Pin 6): Serial Clock line used to synchronize data transfer.
5. WP (Pin 7): Write-Protect pin. When connected to VCC, it disables all write operations to the memory array.
6. A0, A1, A2 (Pins 1, 2, 3): Device address pins used for hardware addressing. They allow for up to 8 devices on the same I2C bus.
These pins collectively enable the device to store and retrieve data in a non-volatile manner, with I2C protocol facilitating communication between the EEPROM and a microcontroller or other I2C masters.
Manufacturer
Application
1. Consumer Electronics: Used for storing configuration settings and user preferences in devices like TVs and audio equipment.
2. Industrial Automation: Retains calibration data and system settings in sensors and controllers.
3. Automotive Systems: Stores essential data for navigation systems, power management, and onboard diagnostics.
4. Medical Devices: Maintains critical operation parameters and patient data in portable and fixed medical equipment.
5. Communication Systems: Used in networking equipment for storing firmware, configuration data, and MAC addresses.
These features make it suitable for applications where reliable, low-power, and permanent data storage is essential.