品牌索引
产品分类 > 小信号开关二极管> 瞬态电压抑制器TVS/ESD> 双极管二极管> 调谐二极管> 齐纳(稳压)二极管> 小信号肖特基二极管> 频带转换二极管> 中/高功率管> 射频PIN二极管> Sinterglass二极管> 整流器 > N沟道(N-Channel)> P沟道(P-Channel)> 双N沟道(Dual N-Channel)> 双P沟道(Dual P-Channel)> 双N和P沟道(Dual N and P-Channel)
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产品介绍 DS1390–DS1394Features
♦ Real-Time Clock Counts Hundredths of Seconds, Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap-Year Compensation Valid Up to 2100 ♦ Output Pin Configurable as Interrupt or Square Wave with Programmable Frequency of 32.768kHz, 8.192kHz, 4.096kHz, or 1Hz (DS1390/DS1393/DS1394 Only) ♦ One Time-of-Day Alarm ♦ Power-Fail Detect and Switch CircuitryReset Output/Debounced Input (DS1391/DS1393) ♦ Separate SQW and INT Output (DS1392) ♦ Trickle-Charge Capability ♦ SPI Supports Modes 0 and 2 (DS1394) ♦ SPI Supports Modes 1 and 3 (DS1390/DS1391) ♦ 3-Wire Interface (DS1392/DS1393) ♦ 4MHz at 3.0V and 3.3V ♦ 1MHz at 1.8V ♦ Three Operating Voltages: 1.8V ±5%, 3.0V ±10%, and 2.97 to 5.5V (DS1394: 3.3V ±10%) ♦ Industrial Temperature Range: -40°C to +85°C ♦ Underwriters Laboratories (UL) Recognized |
