AT25010A/020A/040A is a serial electrically-eras- able programmable read-only memory (EEPROM) with 1024/2048/4096 bits storage capacity, optimized for many automotive applications where low-power and low-voltage operation are essential.
The AT25010A/AT25020A/AT25040A series provides 1 Kb, 2 Kb, or 4 Kb of serial electrically‑erasable programmable read‑only memory (EEPROM) in 8‑lead SOIC and TSSOP packages. It operates over a wide voltage range (2.7 V‑5.5 V) and temperature range (‑40 °C to +125 °C), making it suitable for automotive and low‑power applications.
The device uses a standard SPI interface with Chip Select, Serial Data Input/Output, and Serial Clock pins. Features include self‑timed write cycles (max 10 ms), block write protection, and a high endurance of one million write cycles with 100‑year data retention.
| Supply Voltage | 2.7 V – 5.5 V |
|---|---|
| Page Mode | 8‑byte |
| Data Retention | 100 years |
| Operating Temperature Range | ‑40 °C to +125 °C |
| Package Types | 8‑lead SOIC, 8‑lead TSSOP |
| Pin Capacitance (SO) | 8 pF |
| Pin Capacitance (CS, SCK, SI, WP, HOLD) | 6 pF |
The device operates from –40 °C to +125 °C.
The EEPROM works with a supply voltage between 2.7 V and 5.5 V.