TH7888A Datasheet, PDF (7/21 Pages) ATMEL Corporation – Area Array CCD Image Sensor (1024 x 1024 Pixels with Antiblooming)

TH7888A
Timing Diagrams
The following diagrams describe the 20 MHz readout frequency and 1.25 MHz vertical
transfer frequency.
Figure 5. Frame Timing Diagram
ΦA
Integration Image # i + 1
Image Readout
Memory Cleaning Period
Fast Image to Memory Transfer
Φ P1
Φ P2
Φ P3
Φ P4
12
1056
Φ M = Φ M1
Φ M2
1056 Pulses
Φ M3
Φ M4
Φ L1
12
1056
Φ L2
ΦR
See Figure 6
See Figure 7
Figure 6. Line Timing Diagram
Φ M = Φ M1
Φ M2
Φ M3
Φ M4
Φ L1
Φ L2
ΦR
See Figure 9
7To
5To
5To
100 ns Min
3To
3To
3To
3To
100 ns Min
Vos1 (Vos2)
1
12 13
Note 1 Note 2
Note 3
1058 (or 546) Min
1
12
Note 1
Notes: 1. 12 pre-scan elements
2. 1 isolation element, 16 dark reference pixels, 5 isolation elements
3. 1024 useful video pixels (single output readout mode), 512 useful video pixels (dual output readout mode)
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1999A–IMAGE–09/03