Cirrus-logic CS61884 Bedienungsanleitung PDF herunterladen (Seite 65)

CS61884

DS485F3 65

19.12 Switching Characteristics- Parallel Port (Non-multiplexed Mode)

* All paramters guaranteed by production, characterization or design.

Parameter Ref. # Min. Typ. Max Unit

Address Setup Time to WR

, RD or DS Low 1 10 - - ns

Address Hold Time 2 5 - - ns

& R/W Setup Time Before WR, RD or DS Low 3 0 - - ns

& R/W Hold Time 4 0 - - ns

Pulse Width, WR

, RD, or DS 570- -ns

Write Data Setup Time 6 30 - - ns

Write Data Hold Time 7 30 - - ns

Output Data Delay Time from RD

or DS 8--100ns

Read Data Hold Time 9 5 - - ns

or RD Low to RDY Low 10 - - 55 ns

, RD or DS Low to RDY High 11 - - 100 ns

, RD or DS High to RDY HIGH-Z 12 - - 40 ns

Low to ACK High 13 - - 65 ns

Low to ACK Low 14 - - 100 ns

High to ACK HIGH-Z 15 - - 40 ns

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Cirrus-logic CS61884 Bedienungsanleitung Seite 65