This document introduces the characteristics of ST9550 16Kbit EEPROM, including 16Kbit user memory, 2Kbit configuration zone, high security features, smart card features, embedded application features, and high reliability features.
The AT88SC1616C is a high‑performance secure memory device offering 16 Kbit (2 Kbyte) EEPROM organized into sixteen 128‑byte zones with programmable access rights. It provides advanced security functions such as 64‑bit mutual authentication, encrypted checksum, stream encryption, and anti‑tearing, all compliant with ISO 7816 smart‑card standards.
The datasheet includes pin‑out diagrams, DC and AC electrical characteristics, timing diagrams for 2‑wire serial communication, and mechanical drawing of the 8‑lead PDIP package. Key specifications such as operating voltage, endurance, data retention, and ESD protection are listed for designers.
| User Memory | 16 Kbit (2 Kbyte) EEPROM |
|---|---|
| Number of Zones | 16 zones of 128 bytes each |
| Endurance | 100,000 write cycles |
| Data Retention | 10 years |
| ESD Protection | 4,000 V minimum |
| Write Cycle Time (25 °C) | 5 ms |
| Package | 8‑lead PDIP |
It provides sixteen 128‑byte zones for user memory.
The EEPROM is rated for 100,000 write cycles.