Features 1.5 Gbps maximum data rate per channel Configurable pre-emphasis drives lossy backplanes and cables Low output skew and jitter LVDS/CML/LVPECL compatible input, LVDS output On-chip 100Ω input and output termination 12 kV ESD protection on LVDS Outputs IEEE 1149.1 JTAG interface IEEE 1149.6 limited capability Fault Insertion Single 3.3V supply Very low power consumption Industrial -40 to +85°C temperature range Small TQFP Package Footprint See DS90LV004 for non-JTAG version Description The SCAN90004 is a four channel 1.5 Gbps LVDS buffer/repeater. High speed data paths and flow-through pinout minimize internal device jitter and simplify board layout, while configurable pre-emphasis overcomes ISI jitter effects from lossy backplanes and cables. The differential inputs interface to LVDS, and Bus LVDS signals such as those on National's 10-, 16-, and 18- bit Bus LVDS SerDes, as well as CML and LVPECL. The differential inputs and outputs are internally terminated with a 100Ω resistor to improve performance and minimize board space. The repeater function is especially useful for boosting signals for longer distance transmission over lossy cables and backplanes. Integrated testability circuitry supports IEEE1149.1 (JTAG) on single-ended LVTTL/CMOS I/O and limited IEEE1149.6 capability on high-speed differential LVDS interconnects. The 3.3V supply, CMOS process, and LVDS I/O ensure stable high performance at low power over the entire industrial -40 to +85°C temperature range.

Also Recommended DS15BR400▲ 2.0 Gbps Low Jitter LVDS Quad DS90LV004▲ For Version Without IEEE 1149.1 (JTAG)

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

Parameters / Values	SCAN90004	DS15BR400	DS90LV004
Channels	4 Channels	4 Channels	4 Channels
Max Speed	1.5 Gbps	2.0 Gbps	1.5 Gbps
OUT SigCon	Pre-E	Pre-E	Pre-E
Input Compatibility	LVDS/LVPECL/CML	LVDS/LVPECL/CML	LVDS/LVPECL/CML
Output Compatibility	LVDS	LVDS	LVDS
Power Consumption_	385 mW	575 mW	385 mW
PowerWise Rating 4	64 mW/Gbps	72 mW/Gbps	64 mW/Gbps
Special Features	on-chip termination, 15kV ESD	on-chip termination	on-chip termination, 15kV ESD
SupplyVoltage	3.3 Volt	3.3 Volt	3.3 Volt
Temperature Min	-40 deg C	-40 deg C	-40 deg C
Temperature Max	85 deg C	85 deg C	85 deg C
JTAG1149.1	Yes	No	No
Function	Buffer	Buffer	Buffer
Total Throughput	6000 Mbps	8000 Mbps	6000 Mbps

Datasheets

Title		Size	Date	Other Language
	SCAN90004 4-Channel LVDS Buffer/Repeater with Pre-Emphasis	326 Kbytes	1-Dec-10

Part Number(s) (NSID)	Top View	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
SCAN90004TVS/NOPB SCAN90004TVS RoHS Status	TQFP	Full production Lead Time: 6 weeks	Distributor Region Qty ARROW Worldwide 250 AVNET-EM Worldwide 150 DIGI-KEY Worldwide 964 MOUSER Worldwide 250 TAYLOR Americas 250	$3.75 each at 1K+ pcs	tray of 250

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 SCAN90004.

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 SCAN90004 is located at RoHS Status.

Part Number(s) (NSID)	Description	Availability	Current Reported Stock	Budgetary Pricing	Pack Size
SCAN90004EVK	Four-Channel LVDS Repeaters with Pre-Emphasis and IEEE 1149.6	Preliminary	Distributor Region Qty DIGI-KEY Worldwide 0	$195.00 each	1
The SCAN90004 is a 1.5 Gbps 4-Channel LVDS buffer/repeater, featuring configurable pre-emphasis with maximum pre-emphasis gain of 6dB at 750 MHz. The device is also IEEE 1149.1 and 1149.6 compliant. It utilizes LVDS technology for low power, high-speed and superior noise immunity. The National Semiconductor DS90LV004 product - similar to the SCAN90004 but without the JTAG features - can also be evaluated for signal integrity using this board because the I/O technology and packaging are identical. The purpose of this document is to familiarize you with the SCAN90004 Evaluation Board (SCAN90004EVK), suggest the test setup procedures and instrumentation, and to guide you through some typical measurements that will demonstrate the performance of the device.

National Semiconductor follows the provisions of the Product Stewardship Guide for Customers (CSP-9-111C1) and Banned Substances and Materials of Interest Specification (CSP-9-111S2) for regulatory environmental compliance. Details may be found at: www.national.com/en/packaging/greennopb.html. Lead free products are RoHS compliant.

Lead Free product status is available through the search tool located here

Part Number(s) (NSID)	Weight (milligrams)	Type	Pins	MSL Rating	Peak Reflow	RoHS Status	CAD Symbols	Models	Package Marking Format
SCAN90004TVS/NOPB SCAN90004TVS	149.27 150.01	TQFP	48	3 3	260 260	Detail	Download	ibis file	NSUZXYTT SCAN 90004TVS

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 SCAN90004.

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 SCAN90004 is located at RoHS Status.

CAD Symbols and Models Download SCAN90004 CAD Symbols

Models ibis file

Reliability Metrics

Part Number	Process	EFR Reject	EFR Sample Size	PPM	LTA Rejects	LTA Device Hours	FITS	MTTF (Hours)
SCAN90004TVS	CMOS8	1	13725	73	0	1774500	2	503519220

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 SCAN90004.

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 SCAN90004 is located at RoHS Status.