OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

DS1089LU-866+

P1-P3P4-P6P7-P9P10-P12
DS1089L
3.3V Center Spread-Spectrum EconOscillator™
4 _____________________________________________________________________
Note 1: All voltages are referenced to ground.
Note 2: This is the absolute accuracy of the master oscillator frequency at the default settings with spread disabled.
Note 3: This is the change that is observed in master oscillator frequency with changes in voltage at T
A
= +25°C.
Note 4: This is the change that is observed in master oscillator frequency with changes in temperature at V
CC
= 3.3V.
Note 5: The dither deviation of the master oscillator frequency is biderectional and results in an output frequency centered at the
undithered frequency.
Note 6: This indicates the time elapsed between power-up and the output becoming active. An on-chip delay is intentionally intro-
duced to allow the oscillator to stabilize. t
STAB
is equivalent to 512 master clock cycles and will depend on the programmed
master oscillator frequency.
Note 7: Timing shown is for fast-mode (400kHz) operation. This device is also backward compatible with I
2
C standard-mode timing.
Note 8: C
B
—total capacitance of one bus line in picofarads.
Note 9: EEPROM write time applies to all the EEPROM memory and SRAM shadowed EEPROM memory when WC = 0.
The EEPROM write time begins after a stop condition occurs.
Note 10:Typical frequency shift due to aging is ±0.25%. Aging stressing includes Level 1 moisture reflow conditioning (24hr) +125°C
bake, 168hr +85°C/85°RH moisture soak, and three solder reflow passes +260 +0/-5°C peak) followed by 408hr max V
CC
biased 125°C HTOL, 500 temperature cycles at -55°C to +125°C, 96hr +130°C/85%RH/3,6V HAST and 168hr +121°C/2 ATM
Steam/Unbiased Autoclave.
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
SCL Clock Frequency f
SCL
(Note 7) 0 400 kHz
Bus Free Time Between Stop and
Start Conditions
t
BUF
1.3 µs
Hold Time (Repeated) Start
Condition
t
HD:STA
0.6 µs
Low Period of SCL t
LOW
1.3 µs
High Period of SCL t
HIGH
0.6 µs
Data Hold Time
t
HD:DAT
0 0.9 µs
Data Setup Time
t
SU:DAT
100
ns
Start Setup Time t
SU:STA
0.6 µs
SDA and SCL Rise Time t
R
(Note 8) 20 + 0.1C
B
300 ns
SDA and SCL Fall Time t
F
(Note 8) 20 + 0.1C
B
300 ns
Stop Setup Time
t
SU:STO
0.6 µs
SDA and SCL Capacitive
Loading
C
B
(Note 8) 400 pF
EEPROM Write Time t
WR
(Note 9) 10 20 ms
AC ELECTRICAL CHARACTERISTICS—I
2
C INTERFACE
(V
CC
= +2.7V to +3.6V, T
A
= -40°C to +85°C, unless otherwise noted. Timing referenced to V
IL(MAX)
and V
IH(MIN)
.)
PARAMETER
SYMBOL
CONDITION
MIN TYP MAX
UNITS
Writes +70°C
10,000
NONVOLATILE MEMORY CHARACTERISTICS
(V
CC
= +2.7V to +3.6V)
DS1089L
3.3V Center Spread-Spectrum EconOscillator™
_____________________________________________________________________ 5
0
2
6
4
8
10
ACTIVE SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS 1089L toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
2.7 3.0 3.3 3.6
66MHz
50MHz
130kHz
33MHz
T
A
= +25°C,
OUTPUT
UNLOADED
0
3
2
1
4
5
6
7
8
9
10
-40 10-15 35 60 85
ACTIVE SUPPLY CURRENT
vs. TEMPERATURE
DS 1089L toc02
TEMPERATURE (
°
C)
SUPPLY CURRENT (mA)
66MHz
50MHz
130kHz
33MHz
T
A
= +25
°
C,
OUTPUT
UNLOADED
0
1 100010010
SUPPLY CURRENT
vs. PRESCALER
10
4
2
8
6
DS 1089L toc03
PRESCALE DIVIDER (DECIMAL)
SUPPLY CURRENT (mA)
3.6V
3.3V
2.7V
T
A
= +25
°
C,
f
MOSC
= 50MHz,
OUTPUT UNLOADED
0
1
3
2
4
5
-40 10-15 35 60 85
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
DS 1089L toc04
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V
CC
= 3.3V,
PDN = GND
-0.50
-0.25
0
0.25
0.50
2.7 3.0 3.3 3.6
FREQUENCY % CHANGE
vs. SUPPLY VOLTAGE
DS 1089L toc05
SUPPLY VOLTAGE (V)
FREQUENCY CHANGE (%)
66MHz
50MHz
130kHz
33MHz
T
A
= +25
°
C
-0.8
-0.6
-0.2
-0.4
0
0.2
-40 10-15 35 60 85
FREQUENCY % CHANGE
vs. TEMPERATURE
DS 1089L toc06
TEMPERATURE (°C)
FREQUENCY CHANGE (%)
66MHz
50MHz
130kHz
33MHz
V
CC
= 3.3V
Typical Operating Characteristics
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
Pin Description
PIN
NAME
FUNCTION
1 OUT Oscillator Output
2
SPRD
Dither Enable. When the pin is high, the dither is enabled. When the pin is low, the dither is disabled.
3V
CC
Power Supply
4
GND
Ground
5OE
Output Enable. When the pin is high, the output buffer is enabled. When the pin is low, the output is disabled
but the internal master oscillator is still on.
6 PDN
Power-Down. When the pin is high, the master oscillator is enabled. When the pin is low, the master oscillator
and the output buffer are disabled (power-down mode).
7 SDA I
2
C Serial Data. This pin is for serial data transfer to and from the device.
8 SCL I
2
C Serial Clock. This pin is used to clock data into and out of the device.
DS1089L
3.3V Center Spread-Spectrum EconOscillator™
6 _____________________________________________________________________
48
50
54
52
56
58
-40 10-15 35 60 85
DUTY CYCLE vs. TEMPERATURE
DS 1089L toc08
TEMPERATURE (°C)
DUTY CYCLE (%)
66MHz
50MHz
130kHz
33MHz
V
CC
= 3.3V
48
50
54
52
56
58
DUTY CYCLE
vs. SUPPLY VOLTAGE
DS 1089L toc07
SUPPLY VOLTAGE (V)
DUTY CYCLE (%)
2.7 3.0 3.3 3.6
66MHz
50MHz
130kHz
33MHz
T
A
= +25°C
-90
-70
-80
-40
-50
-60
-10
-20
-30
0
44 4846 50 52 54 56
SPECTRUM COMPARISON
(120kHz BW, SAMPLE DETECT)
DS 1089L toc09
FREQUENCY (MHz)
POWER SPECTRUM (dBm)
NO SPREAD
±1%
±2%
±4%
±8%
f
MOSC
= 50MHz,
DITHER RATE = f
MOSC
/ 4096
Typical Operating Characteristics (continued)
(V
CC
= 3.3V, T
A
= +25°C, unless otherwise noted.)
P1-P3P4-P6P7-P9P10-P12

DS1089LU-866+

Mfr. #:
Buy DS1089LU-866+
Manufacturer:
Maxim Integrated
Description:
Clock Generators & Support Products 3.3V Center Spread Spctrm EconOscillatr
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet