LED drive and keyboard control chip

2. Features ● Set display current drive layer internally, the current of segment is no less than 25mA, the current of word is no less than 160mA. ● Display scan control dynamically, support 8×4 or 7×4, directly drive four bits number LED or thirty two LEDs. ● Internal limit current, set eight

文件：191.02 Kbytes 页数：12 Pages

ETCList of Unclassifed Manufacturers

未分类制造商

DIgItal Drive and Keyboard Controlled Chip

文件：192.38 Kbytes 页数：9 Pages

WCH

沁恒微电子

NPN SILICON PLANAR HIGH PERFORMANCE TRANSISTOR

FEATURES * 140 Volt VCEO * 1 Amp continuous current * Ptot= 500 mW

文件：136.44 Kbytes 页数：2 Pages

ZETEX

RF POWER TRANSISTOR NPN SILICON

The RF Line NPN Silicon Power Transistor . . . designed for power amplifier applications in industrial, commercial and amateur radio equipment to 30 MHz. • Specified 12.5 Volt, 30 MHz Characteristics — Output Power = 60 Watts Minimum Gain = 13 dB Efficiency = 55

文件：75.23 Kbytes 页数：4 Pages

MOTOROLA

摩托罗拉

NPN SILICON PLANAR MEDIUM POWER TRANSISTORS

FEATURES * 140 Volt VCEO * 1 Amp continuous current * Ptot= 1 Watt

文件：50.48 Kbytes 页数：2 Pages

ZETEX