gs2985 Gennum Corporation, gs2985 Datasheet - Page 2

• Manufacturer Part Number: gs2985
• Description: Multi-rate Sdi Reclocker With Equalization & De-emphasis
• Manufacturer: Gennum Corporation

GS2985 Multi-Rate SDI Reclocker with Equalization &
De-emphasis
Product Brief
50870 - C
DDI0
DDI0
DDI1
DDI1
DDI2
DDI2
DDI3
DDI3
DDI_SEL[1:0]
Equalizer/
Data Mux
June 2009
Detect
LOS
LOS
(bottom of package)
Ground Pad
XTAL+
XTAL
OSC
XTAL-
RSVD
DDI0
DDI0
DDI1
DDI1
DDI2
DDI2
DDI3
DDI3
GND
GND
GND
GND
N/C
N/C
HIF
SPI
Frequency
Selectable
Detector
Detector
Phase
Phase
Divide
10
11
12
13
14
15
16
XTAL_BUF_OUT
1
2
3
4
5
6
7
8
9
Buffer
64
17
63
18
GS2985 Functional Block Diagram
62
19
SS[1:0]
61
20
60
21
AUTO/MAN
CP_CAP
LDO
GS2985 Pin Out
59
22
Charge
Pump
64-pin QFN
LF+
(top view)
58
23
GS2985
KBB
LOCKED
57
24
25
56
Control
Selectable
SD/HD
Divide
55
26
Retimer
54
27
VCO
BYPASS
28
53
AUTOBYPASS
52
29
51
30
DATA/CLOCK
31
50
32
49
DATA_MUTE
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
DDO1_DISABLE
VEE_DDO0
VCC_DDO0
DDO0
DE0_EN
GND_DRV
VEE_DDO1
VCC_DDO1
DDO1/RCO
DE1_EN
DATA/CLOCK
DATA_MUTE
DDO1_DISABLE
KBB
SD/HD
DDO0
DDO1/RCO
Buffer
Buffer
Data
Clock/
Data
1.8V
VDD_1p8
LDO
DDO0
DE0_EN
DDO1/RCO
DE1_EN
DDO0
DDO1/RCO
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