
DS1123L
3.3V, 8-Bit, Programmable Timing Element
4
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AC ELECTRICAL CHARACTERISTICS (DS1123L-25)
(VCC = +3.0V to 3.6V, TA = 0°C to +70°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Delay
tREF
(Notes 3, 4)
18
22
ns
Delay Step Size
tSTEP
TA = +25°C
0
0.25
1.75
ns
Step-Zero Delay with Respect
to IN
tD0
(Notes 4, 5)
16.5
22
ns
Step-Zero Delay with Respect
to REF
tD0REF
(Notes 6, 7)
-2.5
-1.5
0
ns
Maximum Delay with Respect
to IN
tDMAX
(Notes 4, 8)
80
ns
Delay with Respect to REF
tDREF
Position FO (Notes 7, 9)
60
ns
Delay with Respect to REF
Tolerance
VCC = 3.3V, TA = +25°C
(Notes 7, 9)
-0.75
+0.75
%
Voltage Delay Variation
(Notes 7, 9)
-1
+1
%
Temperature Delay Variation
VCC = 3.3V (Notes 7, 9)
-2.5
+2.5
%
Integral Nonlinearity (Deviation
from Straight Line)
terr
(Note 10)
-2
0
+2
ns
OUT Delta Delay
tINV0
(Note 11)
0
1
2.5
ns
IN High to PWM High
tPWM0
(Notes 4, 12)
16.5
22
ns
Minimum PWM Output Pulse
Width
tPWM
(Note 13)
5
ns
Minimum Input Pulse Width
tWI
(Note 14)
40
ns
Minimum Input Period
(Note 15)
80
ns
Input Rise and Fall Times
tr, tf
(Note 16)
0
1
s
Δt
t
DREF
Δt
t
DV
DREF
Δt
t
DT
DREF