BCM88335 Data Sheet
SDIO/gSPI Timing
Device Input Timing
Figure 37: SDIO Bus Input Timing (SDR Modes)
SDIO_CLK
tIS
tIH
CMD input
DAT[3:0] input
Table 47: SDIO Bus Input Timing Parameters (SDR Modes)
Symbol
Minimum
Maximum
Unit
Comments
SDR104 Mode
tIS
tIH
1.4
0.8
–
–
ns
ns
CCARD = 10 pF, VCT = 0.975V
CCARD = 5 pF, VCT = 0.975V
SDR50 Mode
tIS
tIH
3.0
0.8
–
–
ns
ns
CCARD = 10 pF, VCT = 0.975V
CCARD = 5 pF, VCT = 0.975V
SDR25 Mode
tIS
tIH
3.0
0.8
–
–
ns
ns
CCARD = 10 pF, VCT = 0.975V
CCARD = 5 pF, VCT = 0.975V
SDR12 Mode
tIS
tIH
3.0
0.8
–
–
ns
ns
CCARD = 10 pF, VCT = 0.975V
CCARD = 5 pF, VCT = 0.975V
Broadcom®
September 23, 2015 • 88335-DS100-R
Page 125
BROADCOM CONFIDENTIAL
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