Chip topology, Typical operating circuits package information, Processor-controlled mode – Rainbow Electronics DS1087L User Manual
Page 12: Stand-alone mode
DS1087L
3.3V Spread-Spectrum EconOscillator
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implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
12
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© 2003 Maxim Integrated Products
Printed USA
is a registered trademark of Maxim Integrated Products.
Chip Topology
TRANSISTOR COUNT: 10000
SUBSTRATE CONNECTED TO GROUND
Typical Operating Circuits
Package Information
For the latest package outline information, go to
www.maxim-ic.com/DallasPackInfo
DS1087L
DITHERED 130kHz TO
66.6MHz OUTPUT
DECOUPLING CAPACITORS
(0.1
µF and 0.01µF)
SPRD
OUT
V
CC
V
CC
V
CC
4.7k
Ω
4.7k
Ω
V
CC
2-WIRE
INTERFACE
GND
SCL
SDA
PDN
OE
Processor-Controlled Mode
DS1087L
XTL1/OSC1
MICRO-
PROCESSOR
XTL2/OSC2
DITHERED 130kHz TO
66.6MHz OUTPUT
DECOUPLING CAPACITORS
(0.1
µF and 0.01µF)
*SDA AND SCL CAN BE CONNECTED DIRECTLY HIGH IF THE DS1087L NEVER NEEDS
TO BE PROGRAMMED IN-CIRCUIT, INCLUDING DURING PRODUCTION TESTING.
SPRD
OUT
V
CC
V
CC
V
CC
GND
N.C.
SCL*
SDA*
PDN
OE
Stand-Alone Mode