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