Keyboard Controller with PS/2

General Description The HT6542B is a keyboard controller developed by Holtek with a 4-bit microprocessor. It is pin-to-pin compatible with Intel 8042 keyboard controller used in IBM PC’s. PC manufacturers need not modify any printed wiring layout when using the HT6542B in lieu of the Intel 8042 b

文件：305.91 Kbytes 页数：7 Pages

HOLTEK

合泰

Keyboard Controller with PS/2

Holtek

合泰

Push-Pull Output Sub-Microamp Comparators

文件：1.18974 Mbytes 页数：34 Pages

MICROCHIP

微芯科技

Dual N- and P-Channel 20-V (D-S) MOSFET

文件：80.13 Kbytes 页数：6 Pages

VISHAYVishay Siliconix

威世威世科技公司

Silicon NPN epitaxial planer transistor

Silicon NPN epitaxial planer transistor For high frequency amplification, oscillation, and mixing (Tr1), For medium-frequency amplification (Tr2) ■ Features ● Two elements incorporated into one package. ● Reduction of the mounting area and assembly cost by one half.

文件：63.34 Kbytes 页数：5 Pages

PANASONIC

松下