This product is a 256-Kbit (32-Kbyte) EEPROM User Memory with 16 2-Kbyte (16-Kbit) Zones, self-timed write cycle, single byte or 128-byte page write mode and programmable access rights. It also features a 2-Kbit Configuration Zone, 37-byte OTP Area and 160-byte Area.
The AT88SC25616C is a 256‑Kbit CryptoMemory device offering high‑security features such as mutual authentication, encrypted checksums, and stream encryption. It includes sixteen 2‑Kbyte zones with programmable access rights, a 64‑bit answer‑to‑reset register, and ISO‑7816‑3 compliant smart‑card interfaces.
The document lists pin assignments, DC and AC electrical specifications, timing diagrams for 2‑wire communication, and details on user zones, configuration memory, and revision history. Contact information for Atmel worldwide offices is also provided.
| User Memory | 256 Kbit (32 Kbyte) EEPROM |
|---|---|
| Number of Zones | 16 zones of 2 Kbyte each |
| Endurance | 100,000 write cycles |
| Data Retention | 10 years |
| ESD Protection | 4,000 V min |
| Write Cycle Time (25 °C) | 5 ms |
| Write Cycle Time (-40 °C to +85 °C) | 7 ms |
It provides sixteen 2‑Kbyte zones for user memory.
The AT88SC25616C is rated for 100,000 write cycles.
Yes, it complies with ISO 7816‑3 asynchronous T = 0 protocol.