
AD6435
–9–
REV. 0
Parameter
Description
T yp
Units
T X  Serial I/F T iming
t
T FRM-S
t
T FRM-H
t
T DREQ-S
t
T DREQ-H
t
T BS-S
t
T BS-H
t
T D_S
t
T D_H
Setup T ime of T X _FRM from Falling Edge of T X _RX _SCLK
Hold T ime of T X _FRM from Falling Edge of T X _RX _SCLK
Setup T ime of T X _DREQ from Rising Edge of T X _RX _SCLK
Hold T ime of T X _DREQ from Rising Edge of T X _RX _SCLK
Setup T ime of T X _BS from Rising Edge of T X _RX _SCLK
Hold T ime of T X _BS from Rising Edge of T X _RX _SCLK
Setup T ime of T X _SDAT A from Rising Edge of T X _RX _SCLK
Hold T ime of T X _SDAT A from Rising Edge of T X _RX _SCLK
5
15
5
15
10
0
5
0
ns
ns
ns
ns
ns
ns
ns
ns
VALID
DATA
t
TD-S
t
TD-H
t
TBS-S
t
TBS-H
t
TFRM-S
t
TFRM-H
t
TDREQ-S
 t
TDREQ-H
TX_RX_SCLK
TX_FRM
TX_DREQ
TX_BS
TX_SDATA
Figure 5. TX Serial I/F Timing
Parameter
Description
T yp
Units
RX  Serial I/F T iming
t
RFRM-S
t
RFRM-H
t
RDREQ-S
t
RDREQ-H
t
RBS-S
t
RBS-H
t
RD-S
t
RD-H
Setup T ime of RX _FRM from Falling Edge of T X _RX _SCLK
Hold T ime of RX _FRM from Falling Edge of T X _RX _SCLK
Setup T ime of RX _DREQ from Rising Edge of T X _RX _SCLK
Hold T ime of RX _DREQ from Rising Edge of T X _RX _SCLK
Setup T ime of RX _BS from Falling Edge of T X _RX _SCLK
Hold T ime of RX _BS from Falling Edge of T X _RX _SCLK
Setup T ime of RX _SDAT A from Falling Edge of T X _RX _SCLK
Hold T ime of RX _SDAT A from Falling Edge of T X _RX _SCLK
5
15
5
0
5
15
5
15
ns
ns
ns
ns
ns
ns
ns
ns
VALID
DATA
t
RD-S
t
RD-H
t
RBS-S
t
RBS-H
t
RFRM-S
t
RFRM-H
t
RDREQ-S
 t
RDREQ-H
TX_RX_SCLK
RX_FRM
RX_DREQ
RX_BS
RX_SDATA
Figure 6. RX Serial I/F Timing