SCANSTA112VS National Semiconductor, SCANSTA112VS Datasheet
SCANSTA112VS
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... LSP0 port while the backplane port becomes a slave. FIGURE 1. Typical use of SCANSTA112 for board-level management of multiple scan chains. © 2005 National Semiconductor Corporation Features n True IEEE 1149.1 hierarchical and multidrop addressable capability ...
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FIGURE 2. Example of SCANSTA112 in a multidrop addressable backplane. Introduction The SCANSTA112 is the third device in a series that enable multi-drop address and multiplexing of IEEE-1149.1 scan chains. The SCANSTA112 is a superset of its predecessors - the ...
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Block Diagram FIGURE 3. SCANSTA112 Block Diagram 3 20051202 www.national.com ...
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Connection Diagrams www.national.com (BGA Top view) 4 20051201 ...
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Connection Diagrams (Continued) TQFP pinout 5 20051260 www.national.com ...
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TABLE 1. Pin Descriptions No. Pin Name Pins I/O VCC 10 N/A Power GND 10 N/A Ground RESET 1 I RESET Input: will force a reset of the device regardless of the current state. ADDMASK 1 I ADDRESS MASK input: ...
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TABLE 1. Pin Descriptions No. Pin Name Pins I/O TRIST , TRIST , 5 O TRI-STATE NOTIFICATION OUTPUT: This signal is asserted high when the associated B0 B1 TRIST TDO is TRI-STATEd. Associated means TRIST (01-03) This output has 12mA ...
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Application Overview selected using multi-drop addressing. A second tier of ’STA112s can be connected to this root layer, by connecting a local port (LSP root-layer ’STA112 to the backplane port of a second-tier ’STA112. This process can be ...
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Absolute Maximum Ratings Supply Voltage ( Input Diode Current ( −0. Input Voltage ( Output Diode Current ( −0. Output Voltage (V ...
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DC Electrical Characteristics Over recommended operating supply voltage and temperature ranges unless otherwise specified Symbol Parameter I Input Current Low ILR (Input and I/O pins with pull-up resistors: TDI TDI , TMS , TMS , TRST ...
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AC Electrical Characteristics: Scan Bridge Mode Over recommended operating supply voltage and temperature ranges unless otherwise specified (Note 5). Symbol Parameter t , Propagation Delay PHL t TCK to TRST PLH B0 (01-06 Propagation Delay PHL t TCK ...
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AC Electrical Characteristics: Stitcher Transparent Mode Over recommended operating supply voltage and temperature ranges unless otherwise specified (Note 5). Symbol Parameter t , Propagation Delay PHL t TDI to TDO , TDI to TDO PLH ...
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Timing Diagrams (Continued) Capacitance & I/O Characteristics Refer to National’s website for IBIS models at http://www.national.com/scan Reset Waveforms Output Enable Waveforms 13 20051238 20051239 www.national.com ...
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... Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 100-Pin BGA NS Package Number SLC100a Ordering Code SCANSTA112SM 100-Pin TQFP NS Package Number VJD100a Ordering Code SCANSTA112VS 14 ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...