DS1023
11 of 16
AC ELECTRICAL CHARACTERISTICS –
DS1023-50 Delay Specifications
(TA= 0
°C to 70°C; VCC = 5V ± 5%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Step Zero Delay
-absolute
-wrt REF
tD0
tDREF0
-2
16.5
-1.5
22
0
ns
1, 13
2, 14
Reference Delay
tREF
18
22
ns
3, 13
Delay Step Size
tSTEP
0
0.5
1.5
ns
4, 16
Maximum Delay
-absolute
-wrt REF
tDMAX
tDREF
139
123
144
127.5
154
132
ns
5, 13
6, 14
Integral Non-linearity
(deviation from straight line)
terr
-2
0
+2
ns
7
OUT
Delta Delay
tINV0
0
1
2
ns
8
IN High to PWM High
tPWM0
16.5
22
ns
9, 13
Minimum PWM Output
Pulse Width
tPWM
5
ns
10
Minimum Input Pulse Width
tWI
20
ns
11
Minimum Input Period
40
ns
12
Input Rise and Fall Times
tr, tf
0
1
ms
15
AC ELECTRICAL CHARACTERISTICS –
DS1023-100 Delay Specifications
(TA = 0
°C – 70°C; VCC = 5V ± 5%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Step Zero Delay
-absolute
-wrt REF
tD0
tDREF0
-2
16.5
-1.5
22
0
ns
1, 13
2, 14
Reference Delay
tREF
18
22
ns
3, 13
Delay Step Size
tSTEP
0
1
1.5
ns
4, 16
Maximum Delay
-absolute
-wrt REF
tDMAX
tDREF
262
247
272
255
285
263
ns
5, 13
6, 14
Integral Non-linearity
(deviation from straight line)
terr
-4
0
+4
ns
7
OUT
Delta Delay
tINV0
0
1
2
ns
8
IN High to PWM High
tPWM0
16.5
22
ns
9, 13
Minimum PWM Output
Pulse Width
tPWM
5
ns
10
Minimum Input Pulse Width
tWI
20
ns
11
Minimum Input Period
40
ns
12
Input Rise and Fall Times
tr, tf
0
1
ms
15