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 頁(yè)數(shù)：2 Pages

PANASONIC

松下

時(shí)鐘控制器電路

D1302是一塊高性能、低功耗并附帶RAM的涓流充電實(shí)時(shí)時(shí)鐘電路。 ·實(shí)時(shí)時(shí)鐘可提供秒、分、小時(shí)、星期、日期、月份、和年等計(jì)時(shí)數(shù)據(jù)，到2100年止。一個(gè)月小于31天時(shí)可自動(dòng)調(diào)整，且具有閏年補(bǔ)償功能\n·31X8位通用暫存RAM\n·采用SPI三線接口與CPU進(jìn)行同步通信\n·電源電壓2.0~5.5V均可工作\n·帶有備用電源，可對(duì)其進(jìn)行涓流充電\n·主備用電源會(huì)自動(dòng)切換供電\n·2.0V時(shí)工作電流小于300nA\n·讀寫時(shí)鐘或RAM數(shù)據(jù)時(shí)有單字節(jié)模式或\n·多字節(jié)模式（脈沖模式）兩種數(shù)據(jù)傳送方式\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 頁(yè)數(shù)：14 Pages

DALLAS

Trickle-Charge Timekeeping Chip

文件：649.39 Kbytes 頁(yè)數(shù)：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 頁(yè)數(shù)：13 Pages

MAXIM

美信