Silicon NPN epitaxial planer type(For low-voltage output amplification)

Features . Low collector-emiiter saturation voltage Vce(sat) . Low ON resistance Ron . High forward current transfer ratio hfe

文件：41.26 Kbytes 页数：2 Pages

PANASONIC

松下

时钟控制器电路

D1302是一块高性能、低功耗并附带RAM的涓流充电实时时钟电路。 ·实时时钟可提供秒、分、小时、星期、日期、月份、和年等计时数据，到2100年止。一个月小于31天时可自动调整，且具有闰年补偿功能\n·31X8位通用暂存RAM\n·采用SPI三线接口与CPU进行同步通信\n·电源电压2.0~5.5V均可工作\n·带有备用电源，可对其进行涓流充电\n·主备用电源会自动切换供电\n·2.0V时工作电流小于300nA\n·读写时钟或RAM数据时有单字节模式或\n·多字节模式（脉冲模式）两种数据传送方式\n·;

Silicore

芯谷科技

Trickle Charge Timekeeping Chip

DETAILED DESCRIPTION The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year informatio

文件：217.3 Kbytes 页数：14 Pages

DALLAS

Trickle-Charge Timekeeping Chip

文件：649.39 Kbytes 页数：16 Pages

DALLAS

Trickle-Charge Timekeeping Chip

DETAILED DESCRIPTION The DS1302 trickle-charge timekeeping chip contains a real-time clock/calendar and 31 bytes of static RAM. It communicates with a microprocessor via a simple serial interface. The real-time clock/calendar provides seconds, minutes, hours, day, date, month, and year informatio

文件：247.75 Kbytes 页数：13 Pages

MAXIM

美信