![SLS](/logo/SLS.png)
System Logic Semiconductor
Presettable Counters
![ST-Microelectronics](/logo/ST-Microelectronics.png)
STMicroelectronics
QUAD BUS BUFFER (3-STATE)
![ST-Microelectronics](/logo/ST-Microelectronics.png)
STMicroelectronics
8-channel multiplexer
![ST-Microelectronics](/logo/ST-Microelectronics.png)
STMicroelectronics
DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR
![CONNOR-WINFIELD](/logo/CONNOR-WINFIELD.png)
Connor-Winfield Corporation
TIGHT TOLERANCE 14 PIN DIP HCMOS
![NXP](/logo/NXP.png)
NXP Semiconductors.
Quad buffer/line driver; 3-state
![QT](/logo/QT.png)
QT Optoelectronics => Fairchildsemi
HIGH SPEED TRANSISTOR OPTOCOUPLERS