微功耗实时时钟：实时时钟,RTC

BL5372是一款低功耗实时时钟电路，通过I2C两线接口电路可以与CPU实时通信，主要用于一切需要提供时基的系统中 • 超低功耗（典型值400nA@3.6V）\n• 实时时钟（12时制或者24时制两种计时方式）\n• 自动识别闰年、平年（2000~2099）\n• BCD码表示的时钟计数和万年历\n• 30秒数字校时功能\n• 可控的32.768KHz（或者32KHz）输出\n• 两个可编程闹钟输出\n• 两路可编程方波输出，为CPU提供多种中断\n• 晶振停振检测锁存功能\n• 32KHz和32.768KHz晶振选择\n• 高精度的时间调整电路\n• 1.8V超低电压工作\n• SOP8或TSSOP8封装;

BL5372

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ZENER DIODE CHIPS

• ZENER DIODE CHIPS • ALL JUNCTIONS COMPLETELY PROTECTED WITH SILICON DIOXIDE • ELECTRICALLY EQUIVALENT TO 1N5333B THRU 1N5379B • 5 WATT CAPABILITY WITH PROPER HEAT SINKING • COMPATIBLE WITH ALL WIRE BONDING AND DIE ATTACH TECHNIQUES, WITH THE EXCEPTION OF SOLDER REFLOW

HIGH POWER ZENER DIODE 6.8 VOLTS THRU 200 VOLTS 5.0W, 5 TOLERANCE

DESCRIPTION: The CENTRAL SEMICONDUCTOR CMZ5334B series silicon Zener diodes are voltage regulators, manufactured in an epoxy molded surface mount package, and designed for use in industrial, commercial, entertainment and computer applications. MARKING: SEE MARKING CODE ON ELECTRICAL CHARACTERIST

40 Gbit/s Transport Switching Element

FEATURES • Implements a Time-Space-Time fabric with STS-1/AU-3 granularity. • Provides 64 ingress STS-12 equivalent ports for a total of 64*12 = 768 STS-1 flows. • Supports non-blocking permutation switching of 768 STS-1 flows at STS-1 granularity. • Provides 64 egress STS-12 equivalent ports

5 Watt Surface Mount Silicon Zener Diodes

Features • Low profile package for surface mounting (flat handling surface for accurate placement) • Zener Voltage 3.3V to 200V • High Surge Current Capability • For available tolerances - see note 1 • Available on Tape and Reel (see EIA std RS-481)

5 Watt Surface Mount Silicon Zener Diodes

Features • Low profile package for surface mounting (flat handling surface for accurate placement) • Zener Voltage 3.3V to 200V • High Surge Current Capability • For available tolerances - see note 1 • Available on Tape and Reel (see EIA std RS-481)