BCM89359 Advance Data Sheet
SDIO Timing
Device Input Timing
Figure 36: SDIO Bus Input Timing (SDR Modes)
SDIO_CLK
tIS
tIH
CMD input
DAT[3:0] input
Table 52: SDIO Bus Input Timing Parameters (SDR Modes)
Symbol
Minimum
Maximum
Unit
Comments
SDR104 Mode
t
t
1.4
–
–
ns
ns
C
C
= 10 pF, VCT = 0.975V
= 5 pF, VCT = 0.975V
IS
CARD
CARD
0.80
IH
SDR50 Mode
t
t
3.00
0.80
–
–
ns
ns
C
C
= 10 pF, VCT = 0.975V
= 5 pF, VCT = 0.975V
IS
CARD
CARD
IH
Broadcom®
September 9, 2014 • 89359-DS100-R
Page 134
BROADCOM CONFIDENTIAL