9FG430_17 Datasheet, PDF (2/18 Pages) Integrated Device Technology – Four Output Differential Frequency Generator for PCIe Gen3 and QPI

9FG430
Four Output Differential Frequency Generator for PCIe Gen3 and QPI
Pin Configuration
XIN/CLKIN 1
X2 2
VDD 3
GND 4
REFOUT 5
vFS2 6
DIF_3 7
DIF_3# 8
VDD 9
GND 10
DIF_2 11
DIF_2# 12
SDATA 13
SCLK 14
28 VDDA
27 GNDA
26 IREF
25 vFS0
24 vFS1
23 DIF_0
22 DIF_0#
21 VDD
20 GND
19 DIF_1
18 DIF_1#
17 ^SEL14M_25M#
16 vSPREAD
15 DIF_STOP#
^ indicates internal 120K pull up
v indicates internal 120K pull down
Power Groups
Pin Number
VDD
GND
3
4
9,21
10,20
28
27
Description
REFOUT, Digital Inputs
DIF Outputs
IREF, Analog VDD, GND for PLL Core
Frequency Select Table
SEL14M_25M#
(FS3)
FS2
FS1
FS0
OUTPUT (MHz)
0
000
100.00
0
001
125.00
0
010
133.33
0
011
166.67
0
100
200.00
0
101
266.67
0
110
333.33
0
111
400.00
1
000
100.00
1
001
125.00
1
010
133.33
1
011
166.67
1
100
200.00
1
101
266.67
1
110
333.33
1
111
400.00
IDT^® Four Output Differential Frequency Generator for PCIe Gen3 and QPI
2
1681D—04/04/17