SYNTHESIZER. IDT5V41066 Datasheet

IDT5V41066 Datasheet PDF


Part

IDT5V41066

Description

4 OUTPUT PCIE GEN1/2 SYNTHESIZER

Manufacture

IDT

Page 14 Pages
Datasheet
Download IDT5V41066 Datasheet


IDT5V41066 Datasheet
4 OUTPUT PCIE GEN1/2 SYNTHESIZER
DATASHEET
IDT5V41066
Recommended Applications
4 Output synthesizer for PCIe Gen1/2
General Description
The IDT5V41066 is a PCIe Gen2 compliant
spread-spectrum-capable clock generator. The device has
4 differential HCSL outputs and can be used in
communication or embedded systems to subtantially
reduce electro-magnetic interference (EMI). The spread
amount and output frequency are selectable via select pins.
Output Features
4 - 0.7V current mode differential HCSL output pairs
Features/Benefits
20-pin TSSOP package; small board footprint
Spread-spectrum capable; reduces EMI
Outputs can be terminated to LVDS; can drive a wider
variety of devices
Power down pin; greater system power management
OE control pin; greater system power management
Spread% and frequency pin selection; no software
required to configure device
Industrial temperature range available; supports
demanding embedded applications
For PCIe Gen3 applications, see the 5V41236
Key Specifications
Cycle-to-cycle jitter < 100 ps
Output-to-output skew < 50 ps
PCIe Gen2 phase jitter < 3.0ps RMS
Block Diagram
3
SEL[2:0]
25 MHz
crystal or
clock
X1
X2
Optional tuning crystal
capacitors
Spread
Spectrum/
Output
clock
selection
Clock
Oscillator
VDD
2
PD OE
Spread
Spectrum
Circuitry
PLL Clock
Synthesis
2
GND
Rr(IREF)
CLKOUTA
CLKOUTA
CLKOUTB
CLKOUTB
CLKOUTC
CLKOUTC
CLKOUTD
CLKOUTD
IDT® 4 OUTPUT PCIE GEN1/2 SYNTHESIZER
1
IDT5V41066 REV D 112211

IDT5V41066 Datasheet
IDT5V41066
4 OUTPUT PCIE GEN1/2 SYNTHESIZER
Pin Assignment
VDDXD
S0
S1
S2
X1
X2
PD
OE
GNDXD
IREF
1
2
3
4
5
6
7
8
9
10
20 CLKA
19 CLKA
18 CLKB
17 CLKB
16 GNDODA
15 VDDODA
14 CLKC
13 CLKC
12 CLKD
11 CLKD
20-pin (173 mil) TSSOP
Spread Spectrum Selection Table
S2 S1 S0 Spread% Spread Type
00 0
-0.5
Down
00 1
-1.0
Down
01 0
-1.5
Down
0 1 1 No Spread Not Applicable
10 0
-0.5
Down
10 1
-1.0
Down
11 0
-1.5
Down
1 1 1 No Spread Not Applicable
Output
Frequency
100
100
100
100
200
200
200
200
IDT® 4 OUTPUT PCIE GEN1/2 SYNTHESIZER
2
IDT5V41066 REV D 112211


Features Datasheet pdf 4 OUTPUT PCIE GEN1/2 SYNTHESIZER DATASH EET IDT5V41066 Recommended Application s 4 Output synthesizer for PCIe Gen1/2 General Description The IDT5V41066 is a PCIe Gen2 compliant spread-spectrum-ca pable clock generator. The device has 4 differential HCSL outputs and can be u sed in communication or embedded system s to subtantially reduce electro-magnet ic interference (EMI). The spread amoun t and output frequency are selectable v ia select pins. Output Features • 4 - 0.7V current mode differential HCSL ou tput pairs Features/Benefits • 20-pi n TSSOP package; small board footprint • Spread-spectrum capable; reduces EM I • Outputs can be terminated to LVDS ; can drive a wider variety of devices • Power down pin; greater system powe r management • OE control pin; greate r system power management • Spread% a nd frequency pin selection; no software required to configure device • Indus trial temperature range available; supp orts demanding embedded applications • For PCIe Gen3 applications, see the 5V41.
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