Electrical Specifications
AC Electrical Specifications
Copyright © 2008 Marvell
Doc. No. MV-S104859-U0 Rev. E
December 2, 2008, Preliminary
Document Classification: Proprietary Information
Page 113
8.6.13
Secure Digital Input/Output (SDIO) Interface AC Timing
8.6.13.1
Secure Digital Input/Output (SDIO) AC Timing Table
Table 61: SDIO Host in High Speed Mode AC Timing Table
8.6.13.2
Secure Digital Input/Output (SDIO) Test Circuit
Figure 37: Secure Digital Input/Output (SDIO) Test Circuit
Description
Symbol
Min
Max
Units
Notes
Clock frequency in Data Transfer Mode
fCK
0
50
MHz
-
Clock high/low level pulse w idth
tWL/tWH
0.35
-
tCK
1, 3
Clock rise/fall time
tTLH/tTHL
-
3.0
ns
1, 3
CMD, DAT output valid before CLK rising edge
tDOVB
6.5
-
ns
2, 3
CMD, DAT output valid after CLK rising edge
tDOVA
2.5
-
ns
2, 3
CMD, DAT input setup relative to CLK rising edge
tISU
7.0
-
ns
2
CMD, DAT input hold relative to CLK rising edge
tIHD
0.0
-
ns
2
Notes:
General comment: tCK = 1/fCK.
1. Defined on VIL(max) and VIH(min) levels.
2. Defined on VDDIO/2 for Clock signal, and VIL(max) / VIH(min) for CMD & DAT signals.
3. For all signals, the load is CL = 10 pF.
CL
50 KOhm
VDDIO
Test Point
Содержание Integrated Controller 88F6281
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