Datasheet

3.3V Spread-Spectrum EconOscillator
4 Maxim Integrated
DS1086L
AC ELECTRICAL CHARACTERISTICS
(V
CC
= 2.7V to 3.6V, T
A
= -40°C to +85°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Frequency Stable After Prescaler
Change
1 period
Frequency Stable After DAC or
Offset Change
t
DACstab
(Note 9) 0.1 1 ms
Power-Up Time t
p
or
+ t
stab
(Note 10) 0.1 0.5 ms
Enable of OUT After Exiting
Power-Down Mode
t
stab
(Note 18) 200 μs
OUT High-Z After Entering
Power-Down Mode
t
pdn
100 μs
Load Capacitance C
L
(Note 11) 15 50 pF
Output Duty Cycle (OUT) Default frequency 45 55 %
Rise and Fall Time (OE, PDN) 1μs
AC ELECTRICAL CHARACTERISTICS—2-WIRE INTERFACE
(V
CC
= 2.7V to 3.6V, T
A
= -40°C to +85°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Fast mode 400
SCL Clock Frequency f
SCL
Standard mode
(Note 12)
100
kHz
Fast mode 1.3
Bus Free Time Between a STOP
and START Condition
t
BUF
Standard mode
(Note 12)
4.7
μs
Fast mode 0.6
Hold Time (Repeated) START
Condition
t
HD:STA
Standard mode
(Notes 12, 13)
4.0
μs
Fast mode 1.3
LOW Period of SCL t
LOW
Standard mode
(Note 12)
4.7
μs
Fast mode 0.6
HIGH Period of SCL t
HIGH
Standard mode
(Note 12)
4.0
μs
Fast mode 0.6
Setup Time for a Repeated
START
t
SU:STA
Standard mode
(Note 12)
4.7
μs
Fast mode
Data Hold Time t
HD:DAT
Standard mode
(Notes 12, 14, 15) 0 0.9 μs
Fast mode 100
Data Setup Time t
SU:DAT
Standard mode
(Note 12)
250
ns
Fast mode 20 + 0.1C
B
300
Rise Time of Both SDA and SCL
Signals
t
R
Standard mode
(Note 16)
20 + 0.1C
B
1000
ns
Fast mode 20 + 0.1C
B
300
Fall Time of Both SDA and SCL
Signals
t
F
Standard mode
(Note 16)
20 + 0.1C
B
1000
ns