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MAX349CPN Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX349CPN Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 20 page Serially Controlled, Low-Voltage, 8-Channel/Dual 4-Channel Multiplexers 4 _______________________________________________________________________________________ SCLK Frequency fSCLK RESET Minimum Pulse Width tRW 70 ns TA = +25°C Fall Time of DOUT (Note 4) tDF 100 ns 20% of V+ to 70% of V+, CL = 10pF C, E, M Allowable Fall Time at DIN, SCLK (Note 4) tSCF 2 µs 20% of V+ to 70% of V+, CL = 10pF C, E, M Allowable Rise Time at DIN, SCLK (Note 4) tSCR 2 µs 20% of V+ to 70% of V+, CL = 10pF C, E, M Rise Time of DOUT (Note 4) tDR 100 ns 20% of V+ to 70% of V+, CL = 10pF C, E, M DIN Data Valid after Falling SCLK (Note 4) tDO 400 ns Data Hold Time Minimum Data Setup Time tDS 17 100 ns tDH 0 -17 85 50% of SCLK to 10% of DOUT, CL = 10pF SCLK Low Time ns tCL C, E, M 190 ns TA = +25°C C, E, M C, E, M PARAMETER SYMBOL MIN TYP MAX (Note 1) UNITS C, E, M SCLK High Time CS Lag Time tCSH2 240 ns tCH 190 CS Lead Time Cycle Time ns tCH +tCL 480 tCSS 240 ns C, E, M 0 2.1 ns MHz C, E, M C, E, M C, E, M C, E, M CONDITIONS SERIAL DIGITAL INTERFACE TIMING CHARACTERISTICS—Dual Supplies (Figure 1) (V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) Note 1: The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column. Note 2: ∆RON = RON(max) - RON(min). On-resistance match between channels and on-resistance flatness are guaranteed only with specified voltages. Flatness is defined as the difference between the maximum and minimum value of on-resistance as measured over the specified analog signal range. Note 3: Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at room temp. Note 4: Guaranteed by design. Note 5: Leakage testing at single supply is guaranteed by testing with dual supplies. Note 6: See Figure 6. Off-isolation = 20log10 VCOM/VNO, VCOM = output. NO = input to off switch. Note 7: Between any two switches. See Figure 3. |
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