The MT90840 by Zarlink Semiconductor is a Distributed Hyperchannel Switch. Below is the official datasheet preview.
| Part number | MT90840 |
|---|---|
| Manufacturer | Zarlink Semiconductor |
| File Size | 520.21 KB |
| Description | Distributed Hyperchannel Switch |
| Datasheet |
 MT90840_ZarlinkSemiconductor.pdf
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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 pin is RD, an active low input which enables a read-cycle and configures the data bus lines (AD0-AD7) as outputs.Address Strobe / Address Latch Enable (Input).Falling edge is used to sample address into the Address Latch circuit.Chip Select (Input).
📁 MT90840 Similar Datasheet
