DS2506-UNW

UniqueWare www.dalsemi.com TM DS2502/5/6-UNW Add-Only Memory SPECIAL FEATURES § 1024 bits, 16 kbits or 64 kbits Electrically Programmable Read Only Memory (EPROM) communicates with the economy of one signal plus ground § Unique, factory-lasered and tested 64-bit registration number (8-bit family code, 36-bit serialization, 12-bit UniqueWare identifier 5E7H, 8-bit CRC-tester) assures absolute traceability because no two parts are alike. § Built-in multidrop controller ensures compatibility with other MicroLAN products § EPROM partitioned into 256-bit pages for randomly accessing packetized data records § Each memory page can be permanently writeprotected to prevent tampering § Device is an “add only” memory where additional data can be programmed into EPROM without disturbing existing data § Reduces control, address, data, power and programming signals to a single pin § Directly connects to a single port pin of a microprocessor and communicates at up to www.DataSheet4U.com 16.3k bits per second § Presence detector acknowledges when reader first applies voltage § Low cost TO-92/PR-35 or 8-pin SOIC and TSOC surface mount packages § Reads over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C PIN ASSIGNMENT TO-92/PR-35 1 2 3 4 8 7 6 5 8-Pin SOIC See Mech. Drawings Section NC GND DATA TSOC PACKAGE 1 2 6 5 4 1 2 3 3 TOP VIEW 3.7 X 4.0 X 1.5 mm BOTTOM VIEW See Mech. Drawings Section See Mech. Drawings Section PIN ASSIGNMENT Pin 1 Pin 2 Pin 3 Pin 4 Pins 5 to 8 TO...