Datasheet

AD9949
Rev. B | Page 20 of 36
NOTES
1. DIGITAL OUTPUT DATA (DOUT) PHASE IS ADJUSTABLE WITH RESPECT TO THE PIXEL PERIOD.
2. WITHIN ONE CLOCK PERIOD, THE DATA TRANSITION CAN BE PROGRAMMED TO ANY OF THE 48 LOCATIONS.
P[0] P[48] = P[0]
CLI
1 PIXEL PERIOD
P[12] P[24] P[36]
DOUT
t
OD
03751-020
Figure 19. Digital Output Phase Adjustment
NOTES
1. DEFAULT TIMING VALUES ARE SHOWN: SHDLOC = 0, DOUT PHASE = 0.
2. HIGHER VALUES OF SHD AND/OR DOUTPHASE WILL SHIFT DOUT TRANSITION TO THE RIGHT, WITH RESPECT TO CLI LOCATION.
DOUT
CCDIN
CLI
SHD
(INTERNAL)
N N + 1 N + 2 N + 12N + 11N + 10N + 9N + 8N + 7N + 6N + 5N + 4N + 3 N + 13
N – 13
N– 3N– 4N– 5N– 6N– 7N– 8N– 9N – 10N – 11
N – 12
N– 2
N– 1
N + 1
N
SAMPLE PIXEL N
N– 1
03751-021
t
CLIDLY
PIPELINE LATENCY = 11 CYCLES
Figure 20. Pipeline Delay for Digital Data Output