Table 1-1: Pin Descriptions (Continued)
Pin Number
36
Name
DDO_MUTE
Type
Logic Input
Description
Mutes the DDO0 and/or RCO/DDO1 outputs.
DDO_MUTE
1
1
0
0
1
0
RCO_MUTE
1
1
1
1
0
0
DATA/CLOCK
0
1
0
1
X
X
DDO0
DATA
DATA
MUTE
MUTE
DATA
MUTE
RCO/DDO1
CLOCK
DATA
CLOCK
MUTE
Power down
Power down
NOTE:
MUTE = Outputs latched at previous data bit.
Power down = Outputs pulled to V
cc
through 50Ω resistor.
37
DATA/CLOCK
Logic Input
Data/Clock select.
When set HIGH, the RCO/DDO1 pin will output a copy of the serial digital
output (DDO0).
When set LOW, the RCO/DDO1 pin will output a re-timed clock (RCO).
38, 40
RCO/DDO1,
RCO/DDO1
Output
Serial
clock or secondary data output.
When RCO_MUTE is connected to VCC, the serial digital differential clock or
secondary data output will be presented.
39, 45
41
RSV
VCC_RCO
Reserved
Power
Do not connect.
Most positive power supply connection for the RCO/DDO1 and RCO/DDO1
output driver.
Connect
to 3.3V.
42
VEE_RCO
Power
Most negative power supply connection for the RCO/DDO1 and RCO/DDO1
output driver.
Connect
to
GND.
44, 46
47
DDO0, DDO0
VCC_DDO
Output
Power
Differential
Serial
Digital Outputs.
Most positive power supply connection for the DDO0/DDO0 output driver.
Connect
to 3.3V.
48
VEE_DDO
Power
Most negative power supply connection for the DDO0/DDO0 output driver.
Connect
to
GND.
50, 51
XTAL_OUT+,
XTAL_OUT-
XTAL+, XTAL-
Output
Differential outputs of the reference oscillator used for monitoring or test
purposes.
Reference crystal input.
Connect
to the
GO1535
as shown in the
Not connected internally.
Most negative power supply connection for the internal charge pump.
Connect
to
GND.
52, 53
Input
54 - 59
60
NC
VEE_CP
No
Connect
Power
GS2975A HD-LINX® III Multi-Rate SDI Automatic
Reclocker with Dual Differential Outputs
Data Sheet
41487 - 4
April 2009
7 of 27
GENNUM [ GENNUM CORPORATION ]
