74AS257-FairchildSemiconductor.pdf
Datasheet Details
Part number:
74AS258, 74AS257
Manufacturer:
Fairchild Semiconductor
File Size:
59.13 KB
Description:
3-state quad 1 of 2 line data selector/multiplexers.
Note:
This datasheet PDF includes multiple part numbers: 74AS258, 74AS257.
Please refer to the document for exact specifications by model.
74AS258, 74AS257, 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers
These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four 3STATE outputs that can interface directly with data lines of bus-organized systems.
A 4-bit word selected from one of two sources is routed to the four outputs.
The DM74AS257 presents t
74AS258 Features
* s Switching specifications at 50 pF s Switching specifications guaranteed over full temperature and VCC range s Advanced oxide-isolated, ion-implanted Schottky TTL proc
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