DS1994

4kb Plus Time Memory iButton

iButtonDESCRIPTION TheDS1994MemoryiButtonisaruggedread/writedatacarrierthatactsasalocalizeddatabase,easilyaccessiblewithminimalhardware.Thenonvolatilememoryandoptionaltimekeepingcapabilityofferasimplesolutiontostoringandretrievingvitalinformationpertainingt

DS1994

4Kb Plus Time Memory iButton?

iButtonDESCRIPTION TheDS1994MemoryiButtonisaruggedread/writedatacarrierthatactsasalocalizeddatabase,easilyaccessiblewithminimalhardware.Thenonvolatilememoryandoptionaltimekeepingcapabilityofferasimplesolutiontostoringandretrievingvitalinformationpertainingt

DS1994

iButton 4K位、帶有時(shí)鐘的存儲(chǔ)器

iButton? 4Kb、帶有時(shí)鐘的存儲(chǔ)器(DS1994)是一款堅(jiān)固耐用的讀/寫(xiě)數(shù)據(jù)載體，可用作本地?cái)?shù)據(jù)庫(kù)，僅需極少的硬件即可訪問(wèn)。非易失存儲(chǔ)器和可選的計(jì)時(shí)功能提供一種存儲(chǔ)和獲取已安裝iButton器件中重要信息的方案。數(shù)據(jù)可通過(guò)1-Wire?協(xié)議串行傳輸，僅需要單根數(shù)據(jù)線和返回地線。\n 暫存器是輔助的存儲(chǔ)頁(yè)，充當(dāng)寫(xiě)入存儲(chǔ)器時(shí)的緩沖器。數(shù)據(jù)首先被存入暫存器，并可從這里讀回。在數(shù)據(jù)經(jīng)過(guò)驗(yàn)證后，復(fù)制暫存器命令將數(shù)據(jù)寫(xiě)入存儲(chǔ)器，這個(gè)過(guò)程保證了修改存儲(chǔ)器時(shí)數(shù)據(jù)的完整性。每個(gè)DS1994芯片具有工廠激光刻度的48位序列號(hào)，提供唯一的身份識(shí)別，以保證產(chǎn)品的絕對(duì)可溯性。堅(jiān)固耐用的MicroCan具有優(yōu)異的; \n? 4096位讀/寫(xiě)非易失性存儲(chǔ)器 \n? 256位暫存器保證數(shù)據(jù)傳輸?shù)耐暾?\n? 存儲(chǔ)器分成256位頁(yè)面，便于數(shù)據(jù)打包 \n? 嚴(yán)格的讀/寫(xiě)協(xié)議保證了數(shù)據(jù)的完整性 \n? 內(nèi)置二進(jìn)制格式的實(shí)時(shí)時(shí)鐘/日歷 \n? 上電后時(shí)間間隔計(jì)時(shí)器可自動(dòng)累加時(shí)間 \n? 可編程周期計(jì)數(shù)器累計(jì)系統(tǒng)電源開(kāi)/關(guān)的次數(shù) \n? 可編程鬧鐘可設(shè)置為間隔計(jì)時(shí)器、實(shí)時(shí)時(shí)鐘或周期計(jì)數(shù)器產(chǎn)生中斷 \n? 寫(xiě)保護(hù)功能防止時(shí)間數(shù)據(jù)錯(cuò)誤修改 \n? 可編程終止日期限制訪問(wèn)SRAM和計(jì)時(shí)器 \n? 25°C時(shí)，時(shí)鐘精度優(yōu)于±2分鐘/月 \n? 工作溫度范圍-40°C至+70°C \n? 數(shù)據(jù)保存超過(guò)10年;

DS1994L-F5

4kb Plus Time Memory iButton

iButtonDESCRIPTION TheDS1994MemoryiButtonisaruggedread/writedatacarrierthatactsasalocalizeddatabase,easilyaccessiblewithminimalhardware.Thenonvolatilememoryandoptionaltimekeepingcapabilityofferasimplesolutiontostoringandretrievingvitalinformationpertainingt

DS1994L-F5

1kbit/4kbit Memory iButtonTM DS1994 4-kbit Plus Time Memory iButtonTM

iButtonDESCRIPTION TheDS1992/DS1993memoryiButtons(hereafterreferredtoasDS199_)areruggedread/writedatacarriersthatactasalocalizeddatabase,easilyaccessiblewithminimalhardware.Thenonvolatilememoryandoptionaltimekeepingcapabilityofferasimplesolutiontostoringand

DS1994L-F5+

4Kb Plus Time Memory iButton?

iButtonDESCRIPTION TheDS1994MemoryiButtonisaruggedread/writedatacarrierthatactsasalocalizeddatabase,easilyaccessiblewithminimalhardware.Thenonvolatilememoryandoptionaltimekeepingcapabilityofferasimplesolutiontostoringandretrievingvitalinformationpertainingt