品牌索引 產品分類 > 小信號開關二極管> 瞬態電壓抑制器TVS/ESD> 雙極管二極管> 調諧二極管> 齊納(穩壓)二極管> 小信號肖特基二極管> 頻帶轉換二極管> 中/高功率管> 射頻PIN二極管> Sinterglass二極管> 整流器 > N溝道(N-Channel)> P溝道(P-Channel)> 雙N溝道(Dual N-Channel)> 雙P溝道(Dual P-Channel)> 雙N和P溝道(Dual N and P-Channel)
|
產品介紹 DS2227FEATURES
Flexibly organized as 128k x 32, 256k x 16, or 512k x 8 bits Data retention >10 years in the absence of VCC Nonvolatile circuitry transparent to and independent from host system Automatic write protection circuitry safeguards against data loss Separate chip enables allow access by byte, word, or long word Fast access times: 70 ns, 100 ns, or 120 ns Unlimited write cycles Read cycle time equals write cycle time Employs popular JEDEC standard 72-position SIMM connection scheme Lithium energy source is electrically disconnected to retain freshness until power is applied for the first time |