DS1982U
製造中UniqueWare iButtonデバイス
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製品の詳細
- 1024 bits or 64kbits 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
- EPROM partitioned into 256-bit pages for randomly accessing packetized data records
- Each memory page can be permanently write-protected 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
- 8-bit family code specifies device communications requirements to reader
- Presence detector acknowledges when reader first applies voltage
- Reads over a wide voltage range of 2.8V to 6.0V from -40°C to +85°C
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