932SQ420D
PCIE GEN 2/3 & QPI CLOCK FOR ROMLEY-BASED SERVERS
Test Clarification Table
Comments
HW
SW
TEST
ENTRY BIT
B6b6
REF/N or
HI-Z
B6b7
TEST_MODE
HW PIN
X
TEST_SEL
HW P IN
OUTPUT
0
0
X
NORMAL
1
1
1
1
0
0
0
1
1
X
X
X
X
X
1
0
1
0
1
0
HI-Z
REF/N
REF/N
REF/N
HI-Z
Power-up w/ TEST_SEL = 1 (>2.0V) to enter test mode.
Cycle power to disable test mode.
If TEST_SEL HW pin is 0 during power-up,
test mode can be selected through B6b6.
If test mode is selected by B6b6, then B6b7
is used to select HI-Z or REF/N.
0
X
1
1
REF/N
TEST_Mode pin is not used.
Cycle power to disable test mode.
B6b6: 1= ENTER TEST MODE, Default = 0 (NORMAL OPERATION)
B6b7: 1= REF/N, Default = 0 (HI-Z)
Thermal Characteristics
Parameter
Symbol
Conditions
Min.
Typ. Max. Units
Thermal Resistance Junction to
Ambient
θ
Still air
68.2
63.3
59.6
32.5
51.5
° C/W
° C/W
° C/W
° C/W
° C/W
JA
θ
1 m/s air flow
2 m/s air flow
JA
θ
JA
Thermal Resistance Junction to Case
θ
JC
Thermal Resistance Junction to
Board
θ
JB
IDT® PCIE GEN 2/3 & QPI CLOCK FOR ROMLEY-BASED SERVERS
22
932SQ420D
REV H 042012