ICS91730 Datasheet, PDF (1/11 Pages) Integrated Circuit Systems – Low EMI, Spread Modulating, Clock Generator

LOW EMI, SPREAD MODULATING, CLOCK GENERATOR
DATASHEET
ICS91730
Features/Benefits
• ICS91730 is a Spread Spectrum Clock targeted for
Mobile PC and LCD panel applications that generates an
EMI-optimized clock signal (EMI peak reduction of 7-14
dB on 3rd-19th harmonics) through use of Spread
Spectrum techniques.
• ICS91730 focuses on the lower input frequency range of
14.318 to 80.00 MHz with a spread modulation of 20kHz
to 40kHz.
Specifications
• Supply Voltages: VDD = 3.3V ±0.3V
• Frequency range: 14.318 MHz <Fin > 80 MHz
• Cyc to Cyc jitter: <150ps
• Output duty cycle 45-55%
• 0°C to +85°C operation
• 8-pin SOIC
• Reference input
Pin Configuration
CLKIN 1
VDD 2
GND 3
CLKOUT 4
8 PD #*
7 SC LK
6 SD ATA
5 REF_OU T/FS_IN1*
8 Pin SOIC
* Internal Pull-Up Resistor
Functionality
FSI N_1
0
1
MHz
14.318 MHz in --> 27MHz out
27.00MHz in --> 27.00MHz out
Spread % default
-0.8 down spread
-1.25 down spread
Block Diagram
IDT® LOW EMI, SPREAD MODULATING, CLOCK GENERATOR
1
ICS91730
REV F 061611