DS1746WP-120+, Часы реального времени, NVSRAM с учетом времени, побайтовый интерфейс, 2.97В до 3.63В, PWRCP-34
• Supply voltage range from 2.97V to 3.63V• Operating temperature range from 0°C to 70°C• Integrated NV SRAM, real time clock, crystal, power fail control circuit and lithium energy source• Clock registers are accessed identically to the SRAM, access time is 120ns• Totally non-volatile with over 10 years of operation in absence of power• Battery voltage level indicator flag• Power fail write protection allows for ±10% VCC power supply tolerance• Lithium energy source is electrically disconnected to retain freshness• Replaceable battery (PowerCap), Power-on reset output• UL recognized• Clock & Timing