8位或16位数码管(64/128段)显示及64键键盘

采用SSOP20封装，通过外接移位寄存器驱动电路，根据所接移位寄存器的个数不同，可驱动8位或16位数码管显示(或者64/128个独立LED)。通过使用外接驱动电路，使其可以用于任意尺寸数码管的驱动，并且可以根据需要任意设计驱动电流大小。BC7281同时提供64键键盘接口，具有按键保持功能，按键按下后，不管是否被释放，键值会一直保持到被读出。 • 2.7-5.5V工作电压\n• 外接1-2片移位寄存器(HC164)构成8位或16位驱动\n• 2线串行接口\n• 显示可单独关闭，同时保持键盘接口功能\n• 16位均可闪烁显示\n• 闪烁速度可调\n• 多种译码方式，可以译码显示，也可以直接写入显示寄存器，显示任意字型\n• 支持段寻址，可以单独控制任意显示段(LED)的开/关\n• 适用于任意尺寸的数码管\n• 段驱动输出极性和时序均可控\n• SSOP20小体积封装\n• 零售价￥6.49;

MICROPOWER DUAL 150MA CMOS RF LDO REGULATORS WITH POWER SUPPLY RESET MONITOR

General Description The ILC7281 provides two independant 150mA low dropout (LDO) voltage regulators and power supply reset monitor in an 8-pin MSOP package. Each regulator output is independantly short circuit protected and has independant shutdown. The device offers a unique combination of low d

5.8W DUAL, 22W BTL AUDIO POWER AMPLIFIER

The TA7280P, TA7281P are dual audio power amplifier for consumer applications. It is designed for high power, low distortion and low noise. It also contains various kind of protectors. It is suitable for car−audio power amplifier with high performance. The kinds of pin configuration are available:

IEEE1394 OHCI 1.1 COMPLIANT 3PORT PHY-LINK 1-CHIP HOST CONTROLLER

IEEE1394 OHCI 1.1 COMPLIANT 3PORT PHY-LINK 1-CHIP HOST CONTROLLER The µPD72874 is the LSI that integrated OHCI-Link and PHY function into a single chip. The µPD72874 complies with the 1394 OHCI Specification 1.1 and the IEEE Std 1394a-2000 specifications, and works up to 400 Mbps. It makes de

General Purpose Regulator

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CMOS DUAL ASYNCHRONOUS FIFO DUAL 256 x 9, DUAL 512 x 9,DUAL 1,024 x 9, DUAL 2,048 x 9,DUAL 4,096 x 9, DUAL 8,192 x 9

文件：154 Kbytes Page：12 Pages