Quad 2.5 Gbps CML Transceiver WithTransmit De-Emphasis And Receive Equalization

The DS25BR400 is a quad 250 Mbps  2.5 Gbps CML transceiver, or 8-channel Buffer for use in PCI Express, SATA, SAS, Fibre Channel Backplane and cable applications. With operation down to 250 Mbps, the DS25BR400 CAN be used in applications requiring both low and high frequency data rates. Each input stage has a fixed equalizer to reduce ISI distortion from board traces. The equalizers are grouped in fours and are enabled through two control pins. These control pins provide customers flexibility in PCI Express applications where ISI distortion may vary from one direction to another. All output drivers have four selectable steps of de-emphasis to compensate against transmission loss across long FR4 Backplanes The de-emphasis blocks are also grouped in fours. In addition, the DS25BR400 also has loopback control capability on four channels. All CML drivers and receivers are internally terminated with 50& pull-up resistors.
By National Semiconductor Corporation
Part Manufacturer Description Datasheet Samples
DS25BR400TSQ/NOPB Texas Instruments Quad 2.5 Gbps CML Transceiver withTransmit De-Emphasis and Receive Equalization 60-WQFN -40 to 85
DS25BR400TSQ Texas Instruments QUAD LINE TRANSCEIVER, QCC60, 9 X 9 MM, 0.80 MM HEIGHT, 0.50 MM PITCH, LLP-60
DS25BR400 's PackagesDS25BR400 's pdf datasheet

DS25BR400 Pinout, Pinouts
DS25BR400 pinout,Pin out
This is one package pinout of DS25BR400,If you need more pinouts please download DS25BR400's pdf datasheet.

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