DS1904存儲卡模塊的專用規(guī)格書PDF中文資料

DS1904屬于存儲卡模塊的專用。由亞德諾半導體技術有限公司制造生產的DS1904專用專用接口 IC 系列包括各種各樣的產品，可用于在相對較新、應用特定或已發(fā)布產品數量有限的應用中促進系統(tǒng)元件之間通信或互連。其中一些應用包括監(jiān)視和控制汽車安全氣囊啟動器、鍵盤掃描以及連接到專用存儲介質。

Special Features

?Real-time clock/calendar in binary format

?Uses the same binary time/daterepresentation as the DS1994 but with1 second resolution

?Clock accuracy is better than ±2 minutes permonth at +25°C

?Operating temperature range from -40°C to+85°C

?Over 10 years of operation

Common iButton Features

?Unique, factory-lasered and tested 64-bitregistration number (8-bit family code +48-bit serial number + 8-bit CRC tester)assures absolute traceability because no twoparts are alike

?Multidrop controller for MicroLAN

?Digital identification and information bymomentary contact

?Chip-based data carrier compactly storesinformation

?Data can be accessed while affixed to object

?Economically communicates to host with asingle digital signal at 16.3kbps

?Standard 16mm diameter and 1-Wire?protocol ensure compatibility with iButton?device family

?Button shape is self-aligning with cup-shapedprobes

?Durable stainless steel case engraved withregistration number withstands harshenvironments

?Easily affixed with self-stick adhesive backing,latched by its flange, or locked with a ringpressed onto its rim

?Presence detector acknowledges whenreader first applies voltage