DS1020
CASCADING MULTIPLE DEVICES (DAISY CHAIN)
Figure 3
PART NUMBER TABLE
Table 1
DELAYS AND TOLERANCES (IN ns)
PART
NUMBER
STEP ZERO
DELAY TIME
MAX DELAY
TIME (NOM)
DELAY CHANGE
PER STEP (NOM)
MAX DEVIATION FROM
PROGRAMMED DELAY
DS1020-15
DS1020-25
DS1020-50
DS1020-100
DS1020-200
10 ± 2
10 ± 2
10 ± 2
10 ± 2
10 ± 3
48.25
73.75
137.5
265
520
0.15
0.25
0.5
1
2
∬
±4
±6
±8
±20
±40
DELAYS VS. PROGRAMMED VALUE
Table 2
MIN
DELAY
STEP ZERO
PARALLEL
PORT
BINARY
PROGRAMMED
VALUE
PART
NUMBER
DS1020-15
DS1020-25
DS1020-50
DS1020-100
DS1020-200
0
0
0
0
0
0
0
0
10.00
10.00
10.0
10
10
0
0
0
0
0
0
0
1
10.15
10.25
10.5
11
12
0
0
0
0
0
0
1
0
10.30
10.50
11.0
12
14
0
0
0
0
0
0
1
1
10.45
10.75
11.5
13
16
0
0
0
0
0
1
0
0
10.60
11.00
12.0
14
18
0
0
0
0
0
1
0
1
10.75
11.25
12.5
15
20
All delays in nanoseconds, referenced to input pin.
∬
1
1
1
1
1
1
0
1
47.95
73.25
136.5
263
516
1
1
1
1
1
1
1
0
48.10
73.50
137.0
264
518
1
1
1
1
1
1
1
1
48.25
73.75
137.5
265
520
P7
P6
P5
P4
P3
P2
P1
P0
MSB
LSB
4 of 9
SERIAL
PORT
MAX
DELAY
DALLAS [ DALLAS SEMICONDUCTOR ]
