1. Pin Out
1.1 GS2975A Pin Assignment
XTAL_OUT-
XTAL_OUT+
VCC_CP
VEE_CP
XTAL+
XTAL-
DDI0
DDI0_VTT
DDI0
GND
DDI1
DDI1_VTT
DDI1
GND
DDI2
DDI2_VTT
–
DDI2
GND
DDI3
DDI3_VTT
DDI3
GND
1
64 63 62 61 60
59 58 57 56 55 54 53 52 51 50 49
48
47
46
45
44
43
GND
LF+
NC
LF-
NC
NC
NC
NC
NC
NC
VEE_DDO
VCC_DDO
DDO0
RSV
DDO0
GND
VEE_RCO
VCC_RCO
RCO/DDO1
RSV
RCO/DDO1
DATA/CLOCK
DDO_MUTE
RCO_MUTE
KBB
SD/HD
–
2
3
4
5
6
7
8
9
10
11
12
13
14
–
GS2975A
64-pin
QFN
(Top View)
42
41
40
39
38
37
36
35
–
34
15
16
33
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
AUTO/MAN
VEE_VCO
AUTOBYPASS
VCC_VCO
DDI_SEL0
DDI_SEL1
BYPASS
Ground Pad
(bottom of package)
Figure 1-1: 64-Pin QFN
GS2975A HD-LINX® III Multi-Rate SDI Automatic
Reclocker with Dual Differential Outputs
Data Sheet
41487 - 4
April 2009
LOCKED
LOS
VCC_DIG
VEE_DIG
GND
SS0
SS1
SS2
NC
4 of 27
GENNUM [ GENNUM CORPORATION ]
