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GS2986 Datasheet(Hoja de datos) 7 Page - Gennum Corporation

No. de Pieza. GS2986
Descripción  Standards indication in Auto mode
Descarga  41 Pages
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Fabricante  GENNUM [Gennum Corporation]
Página de inicio  http://www.gennum.com
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GS2986 Multi-Rate SDI Reclocker with Equalization &
De-emphasis
Data Sheet
52134 - 3
July 2012
7 of 41
29
VCC_DDO0
Power
Most positive power supply connection for the DDO0/DDO0 output driver.
Connect to 3.3V or 2.5V.
30
VEE_DDO0
Power
Most negative power supply connection for the DDO0/DDO0 output
driver.
Connect to GND.
31
XTAL_BUF_OUT
Output
Buffered output of the reference oscillator.
32
XTAL+
Output
Reference crystal output.
33
XTAL-
Input
Reference crystal input.
34
CS/EQ3_EN
Input/Logic
Input
In host mode (HIF set LOW):
Chip select input for SPI serial host interface. Active-low input.
In non-host mode (HIF set HIGH):
Trace equalization on/off pin for Serial Digital Differential Input 3.
Active-high input.
35
SCK/EQ2_EN
Input/Logic
Input
In host mode (HIF set LOW):
Burst-mode clock input for SPI serial host interface.
In non-host mode (HIF set HIGH):
Trace equalization on/off pin for Serial Digital Differential Input 2.
Active-high input.
36
SDO/EQ1_EN
Input/Logic
Input
In host mode (HIF set LOW):
Serial digital data output for SPI serial host interface. Active-high output.
In non-host mode (HIF set HIGH):
Trace equalization on/off pin for Serial Digital Differential Input 1.
Active-high input.
37
SDI/EQ0_EN
Input/Logic
Input
In host mode (HIF set LOW):
Serial digital data input for SPI serial host interface. Active-high input.
In non-host mode (HIF set HIGH):
Trace equalization on/off pin for Serial Digital Differential Input 0.
Active-high input.
38
VEE_CP
Power
Most negative power supply connection for the internal
charge pump. Connect to GND.
39
VCC_CPPower
Most positive power supply connection for the internal charge pump.
Connect to 3.3V or 2.5V
40
LF+
Passive
Loop Filter capacitor connection. (CLF = 47nF). Connect as shown in Typical
Application Circuit on page 37.
Center Pad
Ground pad on bottom of package. Connect to GND.
Table 1-1: GS2986 Pin Descriptions (Continued)
Pin Number
Name
Type
Description




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