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GS2988 Datasheet, PDF (8/17 Pages) Gennum Corporation – Dual-Slew-Rate, Cable Driver with 3Gb/s Capability
3. Input/Output Circuits
VCC
VCC
DDI
DDI
EQ RC*
VCC
5k
50
50
700p
10k
*RC Network
for Trace Equalization
Figure 3-1: Differential Input Stage (DDI/DDI)
Vcc
IREF
SDO SDO
Figure 3-2: Differential Output Stage (SDO/SDO)
VCC
Pull-up
80μA typical
(50-150μA)
IN
VREF
Figure 3-3: Control Input (DISABLE, SD/HD, EQ_EN)
GS2988 Dual-Slew-Rate, Cable Driver with 3Gb/s
Capability
Data Sheet
52131 - 4
December 2010
8 of 17