Rainbow Electronics MAX9258 - Manual (Page 17)

MAX9257/MAX9258
______________________________________________________________________________________ 17
Fully Programmable Serializer/Deserializer
with UART/I
2
C Control Channel
FIRST BIT
SDI
PCLK_OUT
DOUT,
HSYNC_OUT,
VSYNC_OUT
LAST BIT
SERIAL WORD N
SERIAL-WORD LENGTH
SERIAL WORD N+1 SERIAL WORD N+2
t
SPD1
PARALLEL WORD N-2 PARALLEL WORD N-1 PARALLEL WORD N
NOTE: PCLK_OUT PROGRAMMED FOR RISING LATCHING EDGE.
Figure 14. MAX9258 Serial-to-Parallel Delay
1.0UI 0.75UI 0.50UI 0.25UI 0.0UI
t JT t S t S t JT
+25mV
-25mV
+100mV
0V
-100mV
INPUT TEMPLATE FOR LVDS SERIAL
V SDI+ - V SDI-
NOTE: UI IS ONE SERIAL BIT. TIME INPUT IS MEASURED DIFFERENTIALLY (V SDI+ - V SDI- ).
t R1A t F1B
t
R1B
t
F1A
(SDO+) - (SDO-)
0.8V
OD(+)
t F2 t R2
0.8 x | V
OD(+) + V OD(-)
| 0.8 x | V
OD(+) + V OD(-)
|
0.2V
OD(-)
0.8V OD(-)
0.2V
OD(-)
0.8V OD(-)
0.2 x | V
OD(+) + V OD(-)
| 0.2 x | V
OD(+) + V OD(-)
|
1 0
0.2V
OD(+)
0.8V
OD(+)
0.2V
OD(+)
Figure 15. MAX9258 Jitter Tolerance
Figure 16. Control Channel Transition Time