MT90840 switch equivalent, distributed hyperchannel switch.
* Time slot interchange function between eight pairs of ST-BUS/GCI/MVIP ™ streams (512 channels) and parallel data port Programmable data rates on the parallel port (.
Provides elastic buffer at parallel input port in the receive direction Provides byte switching for up to 2430 channels .
Pin # 84 3 100 43 Name DS/RD Description
MT90840
Data Strobe/Read (Input). In Motorola multiplexed-bus mode this pin is DS, an active high input which works with CS to enable read and write operation. In Intel/ National multiplexed-bus mode this pi.
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