DS1086 Spread-Spectrum EconOscillator
DS1086
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 5V ±5%, T
A
= 0°C to +70°C.)
PARAMETER
Frequency Stable After Prescaler
Change
Frequency Stable After DAC or
Offset Change
Power-Up Time
Enable of OUT After Exiting
Power-Down Mode
OUT High-Z After Entering
Power-Down Mode
Load Capacitance
Output Duty Cycle (OUT)
PDN
Rise/Fall Time
(Note 9)
t
por
+ t
stab
(Note 10)
t
stab
t
pdn
C
L
(Note 11)
40
15
0.2
0.1
SYMBOL
CONDITION
MIN
TYP
MAX
1
1
0.5
500
0.1
50
60
1
UNITS
Period
ms
ms
µs
ms
pF
%
µs
AC ELECTRICAL CHARACTERISTICS: 2-WIRE INTERFACE
(V
CC
= 5V ±5%, T
A
= 0°C to +70°C.)
PARAMETER
SCL Clock Frequency
Bus Free Time Between a STOP
and START Condition
Hold Time (Repeated) START
Condition
LOW Period of SCL
HIGH Period of SCL
Setup Time for a Repeated
START
Data Hold Time
Data Setup Time
Rise Time of Both SDA and SCL
Signals
Fall Time of Both SDA and SCL
Signals
SYMBOL
f
SCL
t
BUF
t
HD:STA
t
LOW
t
HIGH
t
SU:STA
t
HD:DAT
t
SU:DAT
t
R
t
F
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
Fast mode
Standard mode
CONDITION
(Note 12)
(Note 12)
(Notes 12, 13)
(Note 12)
(Note 12)
(Note 12)
(Notes 12, 14, 15)
(Note 12)
(Note 16)
(Note 16)
1.3
4.7
0.6
4.0
1.3
4.7
0.6
4.0
0.6
4.7
0
100
250
20 + 0.1C
B
20 + 0.1C
B
20 + 0.1C
B
20 + 0.1C
B
0.9
MIN
TYP
MAX
400
100
UNITS
kHz
µs
µs
µs
µs
µs
µs
ns
300
1000
300
1000
ns
ns
4
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DALLAS [ DALLAS SEMICONDUCTOR ]
