TH7814A Datasheet, PDF (4/10 Pages) ATMEL Corporation – 50 MHz 1024/2048 Linear CCDs

Timing Diagrams
The following diagram shows the general clocking scheme for the TH7813A and
TH7814A.
The line is composed as follows:
Synopsis
TH7813A
TH7814A
Number of Prescan
Pixels Per Output
4
4
Number of Useful
Pixels Per Output
512
1024
Total Number of
Pixels Per Output
516
1028
Postscan elements may be added in order to either increase the exposure time, or to
provide a voltage reference level.
Figure 3. Line Timing Diagram
A
Line Period
P
L1
L2
R
Transfer Period
The following diagram shows the timing for the transfer period:
Figure 4. Line Transfer Period
> 10 ns
A
> 300 ns
(700 ns typ.) ^{> 10 ns}
P
L1
L2
R
first prescan pixel
ΦR clock may also be held in high state during line transfer period.
The following diagram shows the detailed timing for the pixel readout:
4 TH7813A/TH7814A
1990A–IMAGE–05/02