AN209 |
Part Number | AN209 |
Manufacturer | ALTERA |
Description | Using Terminator Technology in Stratix & Stratix GX Devices November 2002, ver. 2.0 Application Note 209 Introduction Signal integrity is crucial in high-speed digital designs because of increased s... |
Features |
are not available.
Figure 2 shows the on-chip impedance matching resistor for an output driver. Figure 2. Driver Impedance Matching
Impedance Matched Driver (LVTTL, LVCMOS) VCCIO = 1.8, 2.5, or 3.3 V Rs Z0 Receiving Buffer (LVTTL, LVCMOS)
Parallel Termination (RT)
Terminator technology supports on-chip parallel termination for several voltage-referenced I/O standards. To maintain signal integrity and save board space, use Terminator technology resistors instead of external pullup termination resistors. Parallel termination is supported for SSTL-2, SSTL-3, HSTL (class I and II), GTL, GTL+, a... |
Document |
AN209 Data Sheet
PDF 151.20KB |
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