The AT24C01B is a low-power, low-voltage, serial electrically erasable and programmable read-only memory (EEPROM) with a storage capacity of 1K and various package options. It is suitable for industrial and commercial applications.
The AT24C01B is a 1 Kb serial EEPROM organized as 128 × 8‑bit words. It operates from 1.8 V to 5.5 V and offers low‑power, low‑voltage performance for industrial and commercial applications. Features include a two‑wire serial interface, write‑protect pin, 8‑byte page writes, and up to 1 million write cycles.
The device includes detailed electrical specifications such as supply voltage range, operating temperature, clock frequency, and timing parameters. Pin configurations for various package styles (PDIP, SOIC, MLP, SOT23, TSSOP, dBGA2) are provided along with mechanical drawings and revision history.
| Supply Voltage | 1.8 V – 5.5 V |
|---|---|
| Write Endurance | 1 Million cycles |
| Data Retention | 100 Years |
| Package Types | PDIP, SOIC, Ultra Thin Mini‑MAP, SOT23, TSSOP, dBGA2 |
| Page Size | 8 bytes |
| Clock Frequency (SCL) | 400 kHz – 1 MHz |
It is offered in 8‑lead PDIP, 8‑lead JEDEC SOIC, 8‑lead Ultra Thin Mini‑MAP (MLP 2×3), 5‑lead SOT23, 8‑lead TSSOP, and 8‑ball dBGA2 packages.