IA2004-CE40A Datasheet, PDF (3/5 Pages) Rohm – Image sensor heads for narrow-width scanners

Contact image sensor heads
zTiming chart
(a) CLK Timing Chart
50%
CLK
50%
50%
SP
tSETUP tHOLD
IA2004-CE40A
twCLK
1/fCLK
twCLK
50%
50%
ts
Ao
1pixel
2pixel
(b) Data Output Timing Chart
After turning on the SP pulse, the analog output shape starts from the setting up point of 65 clock pulse.
CLK
SP
Ao
1
2
52
53
54
64
65
66
VREF Output Period (52pixels)
1 to 52 pixels
Vdummy
53 to 64pixels
Analog Output Period
1 to 864pixels
Note) Output blank part cannot be used as the analog output standard level.
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