STA products provide support for a system or card-level IEEE 1149.1 (JTAG) bus architecture. The JTAG mux is used for managing multiple JTAG chains, while the embedded master simplifies connecting the JTAG bus to a microprocessor bus.

Designing a Multicard Backplane Test Strategy?
Read our applications brief about partitioning 1149.1 scan chains.

Featured STA Products
	SCANSTA476 IEEE 1149.1 Analog Voltage Monitor
	SCANSTA112 7-port JTAG Multiplexer
	SCANSTA111 3-port JTAG Multiplexer
	SCANSTA101 Embedded JTAG Master

As a leading supplier of LVDS interface solutions, National recognizes the unique challenges that high speed interconnects present to a test engineer. Our innovative JTAG solutions for selected LVDS products uses at-speed BIST to verify the interconnect. We're also the first in the industry to support IEEE 1149.6 for testing AC-coupled interconnects.

Featured LVDS Products
	SCAN15MB200 Dual 1.5Gbps 1:2/2:1 LVDS Mux/Buffer with Pre-emphasis and IEEE 1149.6
	SCAN90004 1.5Gbps 4-channel LVDS Buffer/Repeater with Pre-emphasis and IEEE 1149.6
	SCAN90CP02 Worlds First 1.5Gbps 2x2 LVDS Crosspoint switch with Pre-emphasis and IEEE 1149.6
	SCAN921821 Dual 15 - 66 MHz 18-bit Serializer with Pre-emphasis, JTAG, and 12 kV ESD (Bus Pins)
	SCAN921025H/1226H High Temperature 20-80MHz 10:1/1:10 LVDS SerDes
	SCAN928028 Eight 10:1 66MHz LVDS Serializers

IEEE 1149.1 easily handles digital test, but what about Analog test?

• SCANSTA476 IEEE 1149.1 Analog Voltage Monitor