9DBV0731 Datasheet, PDF (2/16 Pages) Integrated Circuit Systems – Spread Spectrum tolerant; allows reduction of EMI

9DBV0731 DATASHEET
Pin Configuration
40 39 38 37 36 35 34 33 32 31
vSADR_tri 1
30 NC
vOE6# 2
29 vOE3#
DIF6 3
28 DIF3#
DIF6# 4
VDDR1.8 5
9DBV0731
27 DIF3
26 VDDIO
CLK_IN 6
CLK_IN# 7
Paddle is GND
25 VDDA1.8
24 vOE2#
GNDDIG 8
23 DIF2#
SCLK_3.3 9
22 DIF2
SDATA_3.3 10
21 vOE1#
11 12 13 14 15 16 17 18 19 20
SMBus Address Selection Table
State of SADR on first application of
CKPWRGD_PD#
Power Management Table
SADR
0
M
1
40-VFQFPN
^ prefix indicates internal Pull-Up Resistor
v prefix indicates Internal Pull-Dow n Resistor
5mm x 5mm 0.4mm pin pitch
Address
1101011
1101100
1101101
+ Read/Write bit
x
x
x
CKPWRGD_PD#
0
1
1
1
CLK_IN
X
Running
Running
Running
SMBus
OEx bit
X
0
1
1
OEx# Pin
X
X
0
1
DIFx
True O/P Comp. O/P
Low
Low
Low
Low
Running Running
Low
Low
Power Connections
Pin Number
VDD
VDDIO
5
11
16, 31
25
12,17,26,32,
39
GND
41
8
41
41
Description
Input
receiver
analog
Digital Power
DIF outputs,
Logic
Analog
7 O/P 1.8V PCIE GEN1-2-3 FAN-OUT BUFFER
2
REVISION C 08/28/14