ET431
three-terminal adjustable regulator (Estek Electronics)
ET4344
10-pin 24-Bit 192kHz Stereo D/A Converter (Etek Microelectronics)
ET4000
VLSI Chip (Tsenglabs)
ET4000
28 x 1 GBit (Agere)
ET4000-V33
Video Image Processor (Tsenglabs)
ET4000-W32I
Graphics Accelerator (Tsenglabs)
ET4000-W32P
Graphics Accelerator (Tsenglabs)
ET4001
Remote control transmitter (Etek Microelectronics)
ET4002
CMOS 8-bit single chip microcontroller (Etek Microelectronics)
ET4003
CMOS 8-bit single chip microcontroller (Etek Microelectronics)