Panasonic Corporation
Subminiature Size Switches with Excellent Operating Position Accuracy
Fairchild Semiconductor
Quad Operational Amplifier
Philips Electronics
Low power quad op amps
System Logic Semiconductor
Low Power Quad Operational Amplifier
Signal Processing Technologies
Intelligent +3.0V to +5.5V RS-232 Transceivers
Central Semiconductor
Small Signal MOSFET Transistor N- Channel Enhancement-Mode Transistor Chip
Vaishali Semiconductor
High Speed CMOS VSwitch Dual 4-Bit Bus Switches
ON Semiconductor
Quad Operational Amplifier
National ->Texas Instruments
Micropower Quad Operational Amplifier
Samsung
Quad Low Power OP AMP
Fairchild Semiconductor
Quad Operational Amplifier
ON Semiconductor
Single Supply Quad Operational Amplifiers