24LC64F 64Kbit (8KB) I²C Serial EEPROM IC DIP-8 – 1.7V Low-Voltage

24LC64F 64Kbit (8KB) I²C Serial EEPROM IC – DIP-8, Low-Voltage

The 24LC64F from Microchip Technology is a 64Kbit (8KB) I²C serial EEPROM in a through-hole DIP-8 package, with an extended low-voltage operating range of 1.7V to 5.5V. The “F” suffix indicates Fast-Plus I²C support (up to 1MHz), making it faster than standard 24LC64 variants. Its 1.7V minimum supply makes it ideal for 3.3V microcontroller systems, Li-ion battery-powered devices, and any application requiring low-voltage non-volatile storage.

Electrical Specifications

• Part Number: 24LC64F / 24LC64F-I/P
• Package: DIP-8 (through-hole, 2.54mm pitch)
• Capacity: 64Kbit = 8KB = 8,192 bytes
• Interface: I²C (2-wire: SDA + SCL)
• I²C Speed: 1MHz (Fast-Plus Mode) / 400kHz (Fast Mode)
• Supply Voltage: 1.7V – 5.5V (low-voltage)
• I²C Address: 0x50–0x57 (set via A0, A1, A2 pins)
• Page Write Size: 32 bytes
• Write Cycle Time: 5ms (typical)
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years
• Operating Temperature: −40°C to +85°C

24LC64F vs 24LC64 – Key Differences

• 24LC64F: 1.7V–5.5V supply, 1MHz Fast-Plus I²C – for 3.3V systems and low-voltage applications
• 24LC64: 2.5V–5.5V supply, 400kHz Fast Mode – standard version
• Choose 24LC64F for 3.3V microcontrollers (ESP32, STM32, Raspberry Pi) or battery-powered devices

Typical Applications

• 3.3V microcontroller storage: Non-volatile configuration for ESP32, STM32, and ARM Cortex-M
• Battery-powered IoT: Low-voltage data storage for Li-ion powered devices
• Arduino data logging: Store sensor readings and configuration (8KB = ~4,000 float values)
• Wearable devices: Low-voltage non-volatile storage for health monitoring

Package Contents

• 1 × 24LC64F DIP-8 64Kbit I²C EEPROM IC

8KB of low-voltage I²C EEPROM from 1.7V – the 24LC64F is the correct choice for 3.3V microcontroller systems and battery-powered embedded applications.

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