參數(shù)資料
型號: GL826-MNG
廠商: Genesys Logic, Inc.
英文描述: USB 2.0 Multi-Slot Flash Card Reader Controller (All-in-one with Dual SD/MMC bus Interface)
中文描述: 個USB 2.0多插槽閃存卡讀卡器控制器(全在同一個雙SD / MMC卡總線接口)
文件頁數(shù): 31/43頁
文件大?。?/td> 698K
代理商: GL826-MNG
GL826 USB 2.0 Multi-Slot Flash Card Reader Controller
2000-2007 Genesys Logic Inc. - All rights reserved.
Page 31
4.6 AC Characteristics of xD-Picture
The Timing diagrams are the same as SM.
Table 4.6
AC Characteristics of xD (C
L
= 40pF)
Parameter
Description
Min.
Max.
Unit
tCLS
CLE Set up Time
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
Read Cycle Time
80
-
tREA
RE Access Time(Serial Data Access)
-
45
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
ns
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