9FGV0431

4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR

IDT®

4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR

2

9FGV0431

OCTOBER 18, 2016

Pin Configuration

SMBus Address Selection Table

Power Management Table

Power Connections

32 31 30 29 28 27 26 25

GNDXTAL 1

24 vOE2#

XIN/CLKIN_25 2

23 DIF2#

X2 3

22 DIF2

VDDXTAL1.8 4

21 VDDA1.8

VDDREF1.8 5

20 GNDA

vSADR/REF1.8 6

19 DIF1#

GNDREF 7

18 DIF1

GNDDIG 817 vOE1#

9 1011121314 15 16

32-pin MLF, 5x5 mm, 0.5mm pitch

v prefix indicates internal 120KOhm pull down resistor

9FGV0431

^ prefix indicates internal 120KOhm pull up resistor

SADR

Address

0

1101000

1

1101010

+

Read/Write Bit

x

x

State of SADR on first application

of CKPWRGD_PD#

OEx#

True O/P

Comp. O/P

0X

X

Low

Low

1

1

0

Running

Running

Running

1

0

1

Low

Low

Low

REF

CKPWRGD_PD#

SMBus

OE bit

DIFx

1. REF is Hi-Z until the 1st assertion of CKPWRGD_PD# high. After this, when

CKPWRG_PD# is low, REF is Low.

Pin Number

VDD

GND

41

57

98, 30

16, 25

15, 26

21

20

PLL Analog

REF Output

Description

XTAL Analog

Digital Power

DIF outputs