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SC68C562C1A Datasheet(PDF) 11 Page - NXP Semiconductors |
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SC68C562C1A Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 26 page Philips Semiconductors Product specification SC68C562 CMOS Dual universal serial communications controller (CDUSCC) 1998 Sep 04 11 INVALID DATA VALID INVALID tIALIAH tIALDDV tDDVDAL tIAHDDF tIAHDAH tIAHDDI tIAHDAZ tIALDAL tDALIAH IRQN IACKN D0-D7 DTACHN12 tIALDDA SD00256 Figure 4. Interrupt Cycle Timing 12 LIMITS SYMBOL PARAMETER12 INDUSTRIAL SC68C562 COMMERCIAL SC68C562 UNIT Min Max Min Max tIALIAH IACKN low to IACKN high 140 130 ns tIALDDA IACKN low to data bus drivers active9 5 10 ns tIALDDV IACKN low to read data valid 140 130 ns tIAHDDF IACKN high to data bus floating 60 60 ns tDDVDAL Read data valid to DTACKN low9 20 20 ns tIAHDAH IACKN high to DTACKN high 80 70 ns tIAHDAZ IACKN high to DTACKN high impedance 110 100 ns tIALDAL IACKN low to DTACKN low9 30 ) 1 f CL 140 ) 1.5 f CL 40 ) 1 f CL 130 ) 1.5 f CL ns tIAHDDI IACKN high to data bus invalid 5 5 ns tDALIAH DTACKN low to IACKN high9 0 0 ns IACKN IDCN tIALDCL SD00257 Figure 5. Interrupt Daisy Chain Timing LIMITS SYMBOL PARAMETER INDUSTRIAL SC68C562 COMMERCIAL SC68C562 UNIT Min Max Min Max tIALDCL IACKN low to IDCN (daisy chain) low 70 60 ns tCSLGII tGIVCSL RWN CSN GPI1_N AND/OR GPI2_N SD00258 Figure 6. Input Port Timing |
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