CDB4954 データシートの表示（PDF） - Cirrus Logic
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CDB4954 Datasheet PDF : 60 Pages
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TIMING CHARACTERISTICS(Continued)
Parallel Host Port Timing (Figure 27, 28, 29)
Read Cycle Time
Read Pulse Width
Address Setup Time
Read Address Hold Time
Read Data Access Time
Read Data Hold Time
Write Recovery Time
Write Pulse Width
Write Data Setup Time
Write Data Hold Time
Write-Read/Read-Write Recovery Time
Address from Write Hold Time
Reset Timing (Figure 3)
Reset Pulse Width
CS4954 CS4955
Symbol Min Typ Max Units
Trd
60
-
-
ns
Trpw
30
-
-
ns
Tas
3
-
-
ns
Trah
10
-
-
ns
Trda
-
-
40
ns
Trdh
10
-
50
ns
Twr
60
-
-
ns
Twpw
40
-
-
ns
Twds
8
-
-
ns
Twdh
3
-
-
ns
Trec
50
-
-
ns
Twac
0
-
-
ns
Tres
100
ns
RESET*
Tres
Figure 3. Reset Timing
10
DS278F6
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