IMISM561
Features
- -
- -
- -
- -
- 54- to 166-MHz operating frequency range Wide (9) range of spread selections Accepts clock and crystal inputs Low power dissipation 3.3V = 165 mw. (Fin = 120 MHz) Frequency spread disable function Center spread modulation Low cycle-to-cycle jitter Eight-pin SOIC package
Applications
- High-resolution VGA controllers
- LCD panels and monitors
- Workstations and servers
Benefits
- Peak electromagnetic interference (EMI) reduction by 8 to 16 d B
- Fast time to market
- Cost reduction
Block Diagram
Pin Configuration
250 K
Xin/CLK
Xin/ CLK
1 4 pf REFERENCE DIVIDER PD CP LF
1 2 3 4
8 7 6 5
Xout S0 S1 SSCC
VDD VSS
MODULATION CONTROL
SSCLK
FEEDBACK DIVIDER VCO
Xout
8 8 p F
VDD VSS
2 INPUT DECODER LOGIC DIVIDER AND MUX
SSCLK
SSCC
S1
S0...
