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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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SCANSTA101SM/NOPB Scheda tecnica(PDF) 7 Page - Texas Instruments |
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SCANSTA101SM/NOPB Scheda tecnica(HTML) 7 Page - Texas Instruments |
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7 / 42 page  SCANSTA101 www.ti.com SNLS057J – MAY 2002 – REVISED APRIL 2013 AC ELECTRICAL CHARACTERISTICS/OPERATING REQUIREMENTS (continued) Over recommended operating supply voltage and temperature ranges unless otherwise specified. CL = 50 pF, RL = 500Ω unless otherwise specified. Symbol Parameter Conditions # of SCK Min Max Units (1) (2) tD3 Propagation Delay Output data valid to DTACK low, all read See Figure 13 1 ns cycles tpHL1 Propagation Delay 10.5 STB low to INT low, register write (clears See Figure 12 5 or 6 ns Interrupt) tW Clock Pulse Width, SCK, H or L 3.0 ns fMAX Clock Frequency, SCK 66 MHz tRELEASE Release Time, RST to STB 2 ns Symbol Parameter Conditions Min Max Units SERIAL SCAN INTERFACE (SSI) tD5 Propagation Delay See Figure 14 11.5 ns SCK to TCK_SM tD6 Propagation Delay See Figure 14 12.0 ns SCK to TDO_SM tD7 Propagation Delay See Figure 14 12.5 ns SCK to TMS_SM tD8 Propagation Delay - tpLH See Figure 14 15.0 ns SCK to TRIST_SM tD9 Propagation Delay - tpHL See Figure 14 12.5 ns SCK to TRIST_SM tD10 Propagation Delay See Figure 14 12.5 ns SCK to TDO_SM disable tD11 Propagation Delay See Figure 14 14.0 ns SCK to TDO_SM enable tEN1 Enable Delay See Figure 14 12.0 ns OE low to TCK_SM, TDO_SM, TMS_SM, or TRST0_SM tDIS1 Disable Delay See Figure 14 11.0 ns OE high to TCK_SM, TDO_SM, TMS_SM, or TRST0_SM tEN2 Enable Delay 10.0 ns OE low to TRIST_SM tDIS2 Disable Delay 11.5 ns OE high to TRIST_SM tDIS3 Disable Delay 12.5 ns RST low to TRST0_SM tS2 Setup Time See Figure 14 3.5 ns SCK to TDI_SM tH2 Hold Time See Figure 14 2.0 ns SCK to TDI_SM TEST & DEBUG INTERFACE TIMING REQUIREMENTS (SCAN) tS Setup Time 2.0 ns TMS to TCK tH Hold Time 1.0 ns TMS to TCK tS Setup Time 1.0 ns TDI to TCK tH Hold Time 2.0 ns TDI to TCK tW Pulse Width 10.0 ns TCK (H or L) Copyright © 2002–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: SCANSTA101 |
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