24C512 512 Kbit Serial I²C Bus EEPROM DIP‑8
The 24C512 512 Kbit Serial I²C Bus EEPROM DIP‑8 is a non‑volatile memory device organized as 65,536 × 8 bits. It operates from 1.8 V to 5.5 V and communicates via a standard two‑wire I²C‑compatible interface at up to 1 MHz. With self‑timed write cycles, hardware write‑protect, and ultra‑low standby current, it’s ideal for data logging, configuration storage, and industrial control applications
Features
- Wide supply voltage range: 1.8–5.5 V for low‑voltage and standard‑voltage systems.
- Two‑wire I²C‑compatible serial interface supporting 100 kHz, 400 kHz, and 1 MHz clock rates.
- 128‑byte page write capability with partial‑page writes allowed.
- Built‑in 1 MΩ pull‑up inputs with Schmitt‑trigger filtering for noise immunity.
- Self‑timed write cycle (max 5 ms) and acknowledge polling for efficient operation.
- Hardware write‑protect pin to safeguard memory against unintended writes.
- High reliability: 1,000,000 write cycles and 100 years data retention.
Specifications
| Parameter | Value |
|---|---|
| Model | FT24C512A |
| Memory Organization | 65,536 × 8 bits (512 Kbit) |
| Supply Voltage (V<sub>CC</sub>) | 1.8–5.5 V |
| Interface | I²C‑compatible two‑wire (SDA, SCL) |
| Clock Frequency | 1 MHz @ 5 V; 400 kHz @ 1.8–2.7 V; 100 kHz @ 1.8 V |
| Page Write Size | 128 bytes |
| Write Cycle Time | 5 ms max |
| Standby Current | < 1 µA (typ. 0.06 µA @ 5.5 V) |
| Endurance | 1,000,000 cycles |
| Data Retention | 100 years |
| Operating Temp. Range | –40 °C to +85 °C |
| Package | 8‑lead DIP‑8 through‑hole (also SOP, TSSOP, MSOP) |
| Write Protect | WP pin for hardware protection |
PINOUT
| Pin Name | Pin Function |
|---|---|
| A2, A1, A0 | Device Address Inputs |
| SDA | Serial Data Input / Open‑Drain Output |
| SCL | Serial Clock Input |
| WP | Write Protect |
| NC | No‑Connect |
Dimensions
Applications
- Non‑volatile storage for microcontroller parameters and configuration.
- Data logging in industrial and medical devices.
- I²C‑bus expansion for embedded and battery‑powered systems.
- Calibration and security key storage in instrumentation.
Package Contents
- 1x 24C512 512 Kbit Serial I²C Bus EEPROM DIP‑8 IC.
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