I2C接口日历时钟芯片

AT8563是武汉芯景科技有限公司最新推出的CMOS实时时钟/日历芯片。它内置一个包括世纪/年/月/日/时/分/秒的计时器，在电路中起到钟表的作用。系统可以设置和读取AT8563中存放的当前时间，从而对数据进行相应处理（例如计费、显示、记录等）。AT8563通过先进的I2C总线接口与系统之间串行传送数据，比起采用并行总线的方案大大减少电路板上的布线数目，非常适合于复杂系统。\r\n\r\n AT8563目前提供DIP-8、SOP-8、TSSOP-8、MSOP-8四种封装形式，可应用于移动电话类通讯产品、便携仪器、电信计费、考勤机、电脑主板、微机外设……等等一切与计时有关的电子产品中。 • 宽工作电压范围：1.0～5.5V\r\n\r\n• 低休眠电流典型值为0.25μA\r\n\r\n• 具有世纪标志，可工作于1900-2099年\r\n\r\n• I2C总线频率最高达400KHz\r\n\r\n• 时钟输出的频率可编程选择32.768KHz/1024Hz/32Hz/1Hz\r\n\r\n• 内含报警和定时器\r\n\r\n• 具备低电压检测和上电复位失效功能\r\n\r\n• 与Philips公司的PCF8563完全兼容;

1 480 nm EDFA APPLICATION InGaAsP STRAINED MQW DC-PBH LASER DIODE MODULE

DESCRIPTION The NX7460LE is a 1 480 nm pumping laser diode module with optical isolator for an EDFA (Er Doped optical Fiber Amplifier) that can expand the transmission span and compensate optical losses. It has a strained Multiple Quantum Well (st-MQW) DC-PBH laser diode that features high output

CW LIGHT SOURCE InGaAsP STRAINED MQW-DFB LASER DIODE MODULE FOR D-WDM APPLICATIONS

DESCRIPTION The NX8563LB Series is a 1 550 nm laser diode with Polarization Maintain Fiber (PMF). This device is designed as CW light source and ideal for D-WDM transmission systems in which external modulators are used. FEATURES • Output power Pf = 10 mW MIN. • Wavelength availability λp = 1

1 510 nm OPTICAL FIBER COMMUNICATIONS InGaAsP STRAINED MQW DC-PBH LASER DIODE MODULE

DESCRIPTION The NX8501 Series is a 1 510 nm phase-shifted DFB (Distributed Feed-Back) laser diode with single mode fiber. The Multiple Quantum Well (MQW) structure is adopted to achieve stable dynamic single longitudinal mode operation over wide temperature range of 0 to +65 °C. It is designed

Real-time clock/calendar

General description The PCF8563 is a CMOS real-time clock/calendar optimized for low power consumption. A programmable clock output, interrupt output and voltage-low detector are also provided. All address and data are transferred serially via a two-line bidirectional I2C-bus. Maximum bus spee

2 x 40 W/2 ohm stereo BTL car radio power amplifier with diagnostic facility

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