Features DC - 3.125 Gbps low jitter, high noise immunity, low power operation Receive equalization reduces ISI jitter due to media loss Transmit pre-emphasis drives lossy backplanes and cables On-chip 100Ω input and output termination minimizes insertion and return losses, reduces component count and minimizes board space. The DS25BR101 eliminates the on-chip input termination for added design flexibility. 7 kV ESD on LVDS I/O pins protects adjoining components Small 3 mm x 3 mm LLP-8 space saving package Description The DS25BR100 and DS25BR101 are single channel 3.125 Gbps LVDS buffers optimized for high-speed signal transmission over lossy FR-4 printed circuit board backplanes and balanced metallic cables. Fully differential signal paths ensure exceptional signal integrity and noise immunity. The DS25BR100 and DS25BR101 feature transmit pre-emphasis (PE) and receive equalization (EQ), making them ideal for use as a repeater device. Other LVDS devices with similar IO characteristics include the following products. The DS25BR120 features four levels of pre-emphasis for use as an optimized driver device, while the DS25BR110 features four levels of equalization for use as an optimized receiver device. The DS25BR150 is a buffer/repeater with the lowest power consumption and does not feature transmit pre-emphasis nor receive equalization. Wide input common mode range allows the receiver to accept signals with LVDS, CML and LVPECL levels; the output levels are LVDS. A very small package footprint requires minimal space on the board while the flow-through pinout allows easy board layout. On the DS25BR100 the differential input and output is internally terminated with a 100Ω resistor to lower return losses, reduce component count and further minimize board space. For added design flexibility the 100Ω input terminations on the DS25BR101 have been eliminated. This enables a designer to adjust the termination for custom interconnect topologies and layout. Applications Clock and data buffering Metallic cable driving and equalization FR-4 equalization

Typical Application click for larger image	Block Diagram click for larger image

Datasheets

Title		Size	Date	Other Language
	DS25BR101 3.125 Gbps LVDS Buffer with Transmit Pre-Emphasis and Receive Equalization	499 Kbytes	17-May-11	日本語

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
DS25BR101TSD/NOPB RoHS Status	LLP	Full production Lead Time: 16 weeks	Distributor Region Qty DIGI-KEY Worldwide 0	$2.45 each at 1K+ pcs	reel of 1000
DS25BR101TSDE/NOPB RoHS Status	LLP	Full production Lead Time: 16 weeks	Distributor Region Qty DIGI-KEY Worldwide 318 MOUSER Worldwide 250	$2.45 each at 1K+ pcs	reel of 250
DS25BR101TSDX/NOPB RoHS Status	LLP	Full production Lead Time: 16 weeks	Distributor Region Qty DIGI-KEY Worldwide 0	$2.45 each at 1K+ pcs	reel of 4500

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for DS25BR101.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for DS25BR101 is located at RoHS Status.

Part Number(s) (NSID)	Weight (milligrams)	Type	Pins	MSL Rating	Peak Reflow	RoHS Status	CAD Symbols	Models	Package Marking Format
DS25BR101TSD/NOPB	20.736 20.803	LLP	8	3	260	Detail	Download	N/A	ZXYTT 2R101
DS25BR101TSDE/NOPB	20.736 20.803	LLP	8	3	260	Detail	Download	N/A	ZXYTT 2R101
DS25BR101TSDX/NOPB	20.736 20.803	LLP	8	3	260	Detail	Download	N/A	ZXYTT 2R101

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for DS25BR101.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for DS25BR101 is located at RoHS Status.

CAD Symbols and Models Download DS25BR101 CAD Symbols

Models N/A

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
DS25BR101TSD	BICMOS8B+	0	3632	0	0	2762292	2	783807897
DS25BR101TSDE	BICMOS8B+	0	3632	0	0	2762292	2	783807897
DS25BR101TSDX	BICMOS8B+	0	3632	0	0	2762292	2	783807897

Note: The Early Failure Rates (EFR) were calculated as point estimate PPM based on rejects and sample size for EFR. The Long Term Failure Rates were calculated at 60% confidence using the Arrhenius equation at 0.7eV activation energy and derating the assumed stress temperature of 150°C to an application temperature of 55°C.

For more information on Reliability Metrics, please click here.

All information pertaining to the RoHS Compliance Standard can be found at http://www.national.com/en/packaging/leadfree.html.

Moisture Sensitivity Level Data for DS25BR101.

A RoHS compliance or an IPC 1752 report can be acquired at http://www.national.com/en/packaging/greennopb.html.

National's certificate of product compliance for DS25BR101 is located at RoHS Status.