GL826 View Datasheet(PDF) - Genesys Logic
Part Name
Description
MFG CO.
'GL826' PDF : 43 Pages View PDF
GL826 USB 2.0 Multi-Slot Flash Card Reader Controller
4.6 AC Characteristics of xD-Picture
The Timing diagrams are the same as SM.
Table 4.6－AC Characteristics of xD (CL = 40pF)
Parameter
Description
tCLS
CLE Set up Time
Min.
Max.
Unit
20
-
tCLH
CLE Hold Time
40
-
tCS
CE Setup up Time
20
-
tCH
CE Hold Time
40
-
tWP
WE Pulse Width
40
-
tALS
ALE Setup Time
20
-
tALH ALE Hold Time
40
-
tDS
Data Setup Time
30
-
tDH
Data Hold Time
20
-
tWC
Write Cycle Time
80
-
tWH
WE High Hold Time
20
-
tWW
WP High to WE Low
100
-
tRR
Ready to RE Low
20
-
tRP
Read Pulse Width
60
-
tRC
tREA
Read Cycle Time
RE Access Time(Serial Data Access)
80
-
-
45
ns
tCEH
CE High Hold Time
250
-
tREAID RE Access Time(ID Read)
-
90
tRHZ
RE High to Output Hi-Z
5
30
tCHZ
CE High to Output Hi-Z
-
30
tREH
RE High Hold Time
20
-
tRSTO RE Access Time
-
45
tCSTO CE Access Time
-
55
tRHW
RE High to WE Low
0
-
tWHC WE High to CE Low
50
-
tWHR WE High to RE Low
60
-
TAR1 ALE Low to RE Low
200
-
tCR
CE Low to RE Low
200
-
tWB
WE High to Busy
-
200
TAR2 ALE LOW to RE LOW
150
-
tRB
Last RE High to Busy
-
200
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