7464
STMicroelectronics
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLERTDA7464
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH SRS SURROUND SOUND AND VOICE CANCELLER
The Device incorporates the SRS (Sound Retrieval System) under licence from SRS Labs, Inc.
4 STEREO INPUTS INPUT ATTENUATION CONTROL IN 0.5dB STEP TREBLE MIDDLE AND BASS
74640
National Semiconductor
Inverting Octal TRI-STATE TransceiverMM54HCT640 MM74HCT640 Inverting Octal TRI-STATE Transceiver MM54HCT643 MM74HCT643 True-Inverting Octal TRI-STATE Transceiver
February 1988
MM54HCT640 MM74HCT640 Inverting Octal TRI-STATE Transceiver MM54HCT643 MM74HCT643 True-Inverting Octal TRI-STATE Transc
74643
National Semiconductor
True-Inverting Octal TRI-STATE TransceiverMM54HCT640 MM74HCT640 Inverting Octal TRI-STATE Transceiver MM54HCT643 MM74HCT643 True-Inverting Octal TRI-STATE Transceiver
February 1988
MM54HCT640 MM74HCT640 Inverting Octal TRI-STATE Transceiver MM54HCT643 MM74HCT643 True-Inverting Octal TRI-STATE Transc
74645
Fairchild Semiconductor
Octal Bus TransceiverDM74LS645 Octal Bus Transceiver
August 1986 Revised March 2000
DM74LS645 Octal Bus Transceiver
General Description
These octal bus transceivers are designed for asynchronous two-way communication between data buses. The devices transmit data from the A bus