19
0
1
2
3
4
ESC OUT
START CYCLE
STROBE SYNC
110ns MAX
STROBE DATA
ENC ENABLE
180ns MIN
190ns MIN
SYNC SELECT
240ns MIN
80ns MAX
SEND DATA
(LOAD DATA)
80ns MIN
LATCH DATA
DON’T CARE
130ns MIN
80ns MIN
TRI-STATE DATA
DON’T CARE
100ns MIN
70ns MIN
DATA SELECT
DON’T CARE
130ns MIN
FIGURE 4 – ENCODER DETAIL TIMING
5
6
7
0
1
2
DSC OUT
100ns MAX
100ns MAX
TAKE DATA
150ns MAX
COMM / DATA SYNC
PREVIOUS
CURRENT SYNC
CURRENT
SERIAL DATA OUT
15
14
0
50ns MIN
DATA SELECT
50ns MAX
TRI-STATE DATA
DON’T CARE
CURRENT DATA
100ns MAX
VALID WORD
60ns MAX
MODE CODE
60ns MAX
RT ENABLE
100ns MAX
BROADCAST
110ns MAX
VAL CMD WD
FIGURE 5 – DECODER DETAIL TIMING
SCDCT1775 Rev B
7