非隔离降压型有源PFC驱动器

CHIPLINK

智浦芯联

Silicon NPN Power Transistors

文件：240.61 Kbytes 页数：3 Pages

SAVANTIC

256K NV Y2KC Timekeeping RAM

DESCRIPTION The DS1554 is a full function, year 2000-compliant (Y2KC), real-time clock/calendar (RTC) with a RTC alarm, watchdog timer, power-on reset, battery monitor, and 32k x 8 non-volatile static RAM. User access to all registers within the DS1554 is accomplished with a bytewide interface as

文件：284.33 Kbytes 页数：21 Pages

DALLAS

PowerCap with Crystal

GENERAL DESCRIPTION The DS9034PCX PowerCap is designed to be a lithium power source for nonvolatile timekeeping RAMs in Dallas Semiconductor’s directly surface-mountable PowerCap Module (PCM) package. After a PowerCap module board has been soldered in place and cleaned, the DS9034PCX PowerCap is

文件：114.12 Kbytes 页数：5 Pages

MAXIM

美信