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The DS160PR412-421EVM features two DS160PR412 and two DS160PR421 linear redrivers that can extend the transmission distance of a PCIe Gen-4 x8 bus. The EVM can be directly plugged into a PCIe slot on a server or PC motherboard using the PCIe Edge connector on the board and paired with a PCIe add-in card using one of the two PCIe connectors on the EVM.
This EVM has the following features:
PCIe x16 and PCIe x8 Riser Card with two DS160PR412 and two DS160PR421 4-channel unidirectional linear redrivers operating at rates up to 25Gbps.
DS160PR412: linear redriver with 1:2 MUX
DS160PR421: linear redriver with 2:1 DEMUX
Linear equalization for seamless support of link training and PCIe channel extension
CTLE boosts up to 18 dB at 8 GHz
Device configuration and MUX selection by pin control, SMBus, or I2C.
Flow-thru layout with no heat sink required
Industrial temperature range: –40°C to 85°C