ds1982 1024-bit eprom datasheet
The DS1982 is a rugged 1‑kbit add‑only iButton that provides a unique 64‑bit laser‑etched ROM, 1024‑bit EPROM and status bytes. It operates over a wide voltage range (2.8 V‑6.0 V for read, 11.5 V‑12 V for programming) and communicates via the 1‑Wire protocol using a single data line.
The document details the device’s hierarchical 1‑Wire protocol, memory map, write‑protect and page‑redirection features, as well as absolute maximum ratings and DC/AC electrical characteristics. Ordering information and accessory options are also listed.