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SCANPSC110F Datasheet(PDF) 21 Page - National Semiconductor (TI) |
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SCANPSC110F Datasheet(HTML) 21 Page - National Semiconductor (TI) |
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21 / 29 page ![]() AC Electrical Characteristics Symbol Parameter V CC (V) Military Units Fig. No. T A = −55˚C to +125˚C C L = 50 pF Guaranteed Minimum t S Setup Time 5.0 8.0 TMS B to TCKB↑ t H Hold Time 5.0 4.0 ns Figure 13 TMS B to TCKB↑ t S Setup Time 5.0 6.0 ns Figure 13 TDI B to TCKB↑ t H Hold Time 5.0 4.0 ns Figure 13 TdI B to TCKB↑ t S Setup Time S n to TCKB↓ 5.0 12.5 ns (in Update-DR state) t H Hold Time S n to TCKB↓ 5.0 0.0 ns (in Update-DR state) t S Setup Time S n to TCKB↑ 5.0 4.0 ns (in Capture-DR or Capture-IR state) t H Hold Time S n to TCKB↑ 5.0 6.0 ns (in Capture-DR or Capture-IR state) t S Setup Time 5.0 2.0 ns Figure 13 TDI Ln to TCKB↑ t H Hold Time 5.0 6.0 ns Figure 13 TDI Ln to TCKB↑ t S Setup Time OE to TCK B↑ 5.0 4.0 ns (in Capture-DR state) t H Hold Time OE to TCK B↑ 5.0 4.0 ns (in Capture-DR State) t W Clock Pulse Width 5.0 24.0 ns Figure 13 TCK B (H or L) t WL Clock Pulse Width 5.0 10.0 ns Figure 15 TRST (L) t REC Recover Time 5.0 2.0 ns Figure 15 TCK B↑ from TRST t OSHL, Output-to-Output Skew 5.0 1.0 ns (Note 8) t OSLH TCK Ln t OSHL, Output-to-Output Skew 5.0 2.0 ns (Note 8) t OSLH TMS Ln (unparked) F MAX Maximum Clock Frequency 5.0 MHz Note 8: Skew is defined as the absolute value of the difference between the actual propagation delays for any two separate outputs of the same device. The speci- fication applies to any outputs switching HIGH to LOW (tOSHL ), or LOW to HIGH (tOSLH). The specification is guaranteed but not tested. www.national.com 21 |
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