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LM9830VJDX bảng dữ liệu(PDF) 4 Page - National Semiconductor (TI) |
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LM9830VJDX bảng dữ liệu(HTML) 4 Page - National Semiconductor (TI) |
4 / 45 page 4 http://www.national.com CRYSTAL IN, CRYSTAL OUT Characteristics XTALOUT DC CRYSTAL OUT Bias Level (Offset) 0.8 V XTALOUT AC CRYSTAL OUT Amplitude fCRYSTAL = 50MHz 0.8 VP-P Power Supply Characteristics IA Analog Supply Current (VA pins) Operating Standby 64 0.75 83 0.95 mA (max) mA (max) ID I/O Digital I/O Supply Current (VD I/O, VD, and VSRAM pins) Operating Standby 40 5 48 6.5 mA (max) mA (max) AC Electrical Characteristics The following specifications apply for AGND=DGND=DGNDI/O=DGNDSRAM=0V, VA=VD=VDI/O=VSRAM=+5.0VDC, fCRYSTAL IN= 50MHz, MCLK DIVIDER = 1.0 (unless otherwise noted), fMCLK = fCRYSTAL IN/MCLK DIVIDER, fADC CLK = fMCLK/8, CL (databus loading) = 20pF/pin. Boldface limits apply for TA=TJ=TMIN to TMAX; all other limits TA=TJ=25°C. (Notes 7 & 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 10) Units (Limits) Parallel Port Address Write (Figure 1) tSETUP1 D0-D7 (Address) valid to SELECT IN falling -60 -10 ns (min) tSETUP2 STROBE falling edge to SELECT IN falling -15 -10 ns (min) tSI-B1 SELECT IN falling to BUSY rising 25 40 ns (max) tB-SI BUSY rising to SELECT IN rising 0 20 ns (min) tHOLD1 SELECT IN rising to STROBE rising -45 -15 ns (min) tSI-B2 SELECT IN rising to BUSY falling 33 50 ns (max) tHOLD2 D0-D7 (Address) hold time after BUSY falling -10 0 ns (min) Parallel Port Data Write (Figure 2) tSETUP1 D0-D7 valid or STROBE falling to SELECT IN falling -60 -10 ns (min) tSETUP2 STROBE falling to AUTOFEED falling -25 -10 ns (min) tAF-B1 AUTOFEED falling to BUSY rising 34 50 ns (max) tB-AF1 BUSY rising to AUTOFEED rising 0 20 ns (min) tHOLD1 AUTOFEED rising to STROBE rising -40 -10 ns (min) tAF-B2 AUTOFEED rising to BUSY falling All Except Dataport Dataport 16 1.5 tADC CLK 35 3 tADC CLK ns (max) ns (max) tHOLD2 D0-D7 valid after BUSY falling -10 0 ns (min) DC and Logic Electrical Characteristics The following specifications apply for AGND=DGND=DGNDI/O=DGNDSRAM=0V, VA=VD=VDI/O=VSRAM=+5.0VDC, fCRYSTAL IN= 50MHz. Boldface limits apply for TA=TJ=TMIN to TMAX; all other limits TA=TJ=25°C. (Notes 7 & 8) Symbol Parameter Conditions Typical (Note 9) Limits (Note 10) Units (Limits) |
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