GS2986 Datasheet, PDF (13/41 Pages) Gennum Corporation – Standards indication in Auto mode

3. Input/Output Circuits
VCC
5.55kΩ
VCC
DDI
12.96kΩ
25Ω
25Ω
25Ω
VCC
25Ω
DDI
Figure 3-1: High-speed Inputs (DDI0, DDI0, DDI1, DDI1, DDI2, DDI2, DDI3, DDI3)
VCC
2.5µA
VCC
1.4kΩ
IN
VREF
Figure 3-2: Low-speed Input with weak internal pull-up (HIF, DDO1_DISABLE)
GS2986 Multi-Rate SDI Reclocker with Equalization &
De-emphasis
Data Sheet
52134 - 3
July 2012
13 of 41