Rainbow Electronics TH7814A - Manual (Page 4)

4
TH7813A/TH7814A
1990A–IMAGE–05/02
Timing Diagrams The following diagram shows the general clocking scheme for the TH7813A and
TH7814A.
The line is composed as follows:
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
The following diagram shows the timing for the transfer period:
Figure 4. Line Transfer Period
Φ
R clock may also be held in high state during line transfer period.
The following diagram shows the detailed timing for the pixel readout:
Synopsis
Number of Prescan
Pixels Per Output
Number of Useful
Pixels Per Output Total Number of
Pixels Per Output
TH7813A 4 512 516
TH7814A 4 1024 1028
A
P
L1
L2
R
Line Period
Transfer Period
A
P
L1
L2
R
> 300 ns
> 10 ns > 10 ns
first prescan pixel
(700 ns typ.)