IA1208-FE10A Datasheet, PDF (3/6 Pages) Rohm – Color image sensor heads for High-speed Scanner

Contact image sensor heads
zTiming chart
(a) CLK Timing Chart
CLK
50%
50%
SP
tSETUP tHOLD
IA1208-FE10A
1/fCLK
twH twL
ts
Ao
1pixel
2pixel
(b-1) Data Output Timing Chart (1200dpi mode)
After turning on the SP pulse, the analog output starts from the setting up point of 82 clock pulse.
1200dpi mode
1
CLK
2 82
SP
AO1 to 3
VREF output period
Vdummy
Analog output period
Vdummy
AO1 :
AO2 :
AO3 :
1 to 82clock
1 to 82clock
1 to 82clock
1 to 100pixels
−
−
Note)The CLK section area which is over the effective pixel numbers
(Output blank part) cannot be used as the analog Output
standard level.
101 to 3456pixels
3457 to 6912pixels
6913 to 10312pixels
−
−
10313 to 10368pixels
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