DS1087L Dallas Semiconductor, DS1087L Datasheet - Page 7

• Manufacturer Part Number: DS1087L
• Description: Spread-Spectrum EconOscillator
• Manufacturer: Dallas Semiconductor

Figure 1. Functional Diagram
PIN
1
2
3
4
5
6
7
8
NAME
SPRD
GND
OUT
PDN
SDA
V
SCL
OE
CC
SPRD
PDN
GND
SDA
SCL
V
OE
CC
3.3V Spread-Spectrum EconOscillator
Oscillator Output
Dither Enable. When the pin is high, the dither is enabled. When the pin is low, the dither is disabled.
Power Supply
Ground
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.
Power-Down. When the pin is high, the master oscillator is enabled. When the pin is low, the master
oscillator is disabled (power-down mode).
2-Wire Serial Data. This pin is for serial data transfer to and from the device.
2-Wire Serial Clock. This pin is used to clock data into and out of the device.
INTERFACE
2-WIRE
_____________________________________________________________________
TRIANGLE WAVE
CONTROL
GENERATOR
DITHER
PRESCALER
EEPROM CONTROL
REGISTERS
ADDR
DITHER SIGNAL
FUNCTION
FACTORY-PROGRAMMED
BY 1, 2, 4...256
PRESCALER
OSCILLATOR
DS1087L
MASTER
OSCILLATOR
OUTPUT
Pin Description
OUT
7