Datasheet

DS1089L
3.3V Center Spread-Spectrum EconOscillator™
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implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
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is a registered trademark of Dallas Semiconductor Corporation.
Package Information
For the latest package outline information, go to
www.maxim-ic.com/DallasPackInfo
.
Chip Topology
TRANSISTOR COUNT: 5985
SUBSTRATE CONNECTED TO GROUND
PDN
OEGND
1
2
8
7
SCL
SDA
SPRD
V
CC
OUT
µSOP (118 mils)
TOP VIEW
3
4
6
5
DS1089L
Pin Configuration
OUT
SPRD
GND
OE
PDN
SDA
SCL
V
CC
V
CC
V
CC
V
CC
4.7kΩ
4.7kΩ
2-WIRE
INTERFACE
DITHERED 130kHz
TO 66.6MHz OUTPUT
DECOUPLING CAPACITORS
(0.1µF and 0.01µF)
*SDA AND SCL CAN BE CONNECTED DIRECTLY HIGH IF THE DS1089L NEVER
NEEDS TO BE PROGRAMMED IN-CIRCUIT, INCLUDING DURING PRODUCTION TESTING.
DS1089L
OUT
N.C.
SPRD
GND
OE
PDN
SDA*
SCL*
V
CC
V
CC
V
CC
DITHERED 130kHz
TO 66.6MHz OUTPUT
XTL2/OSC2
XTL1/OSC1
MICROPROCESSOR
DECOUPLING CAPACITORS
(0.1µF and 0.01µF)
DS1089L
Typical Operating Circuits
PROCESSOR-CONTROLLED MODE
STAND-ALONE MODE