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MAX9242 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX9242 Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 22 page ![]() 21-Bit Deserializers with Programmable Spread Spectrum and DC Balance 4 _______________________________________________________________________________________ AC ELECTRICAL CHARACTERISTICS (VCC = LVDSVCC = PLLVCC = +3.0V to +3.6V, VCCO = +3.0V to +3.6V, CL = 8pF, PWRDWN = high; SSG = high, open, or low; DCB = high or low, differential input voltage |VID| = 0.1V to 1.2V, input common-mode voltage VCM = |VID / 2| to 2.4V - |VID / 2|, unless otherwise noted. Typical values are at VCC = VCCO = LVDSVCC = PLLVCC = +3.3V, |VID| = 0.2V, VCM = +1.25V, TA = +25°C.) (Notes 6, 7, 8) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS RxOUT_ 2.9 4.7 6.5 Output Rise Time CLHT 0.1 x VCCO to 0.9 x VCCO, Figure 3 RxCLKOUT 2.0 3.3 4.1 ns RxOUT_ 2.1 3.0 4.2 Output Fall Time CHLT 0.9 x VCCO to 0.1 x VCCO, Figure 3 RxCLKOUT 1.10 1.94 2.70 ns Output Rise Time (MAX9254) CLHT 0.1 x VCCO to 0.9 x VCCO, Figure 3 RxOUT_ 1.4 2.2 3.3 ns Output Fall Time (MAX9254) CHLT 0.9 x VCCO to 0.1 x VCCO, Figure 3 RxCLKOUT 1.1 1.8 2.8 ns 16MHz 2560 3142 DC-balanced mode, Figure 4 34MHz 900 1386 20MHz 2500 3164 RxIN Skew Margin (Note 9) RSKM Non-DC-balanced mode, Figure 4 40MHz 960 1371 ps DC ELECTRICAL CHARACTERISTICS (continued) (VCC = LVDSVCC = PLLVCC = +3.0V to +3.6V, VCCO = +3.0V to +5.5V, PWRDWN = high; SSG = high, open, or low; DCB = high or low, differential input voltage |VID| = 0.05V to 1.2V, input common-mode voltage VCM = |VID / 2| to 2.4V - |VID / 2|, unless otherwise noted. Typical values are at VCC = VCCO = LVDSVCC = PLLVCC = +3.3V, |VID| = 0.2V, VCM = +1.25V, TA = +25°C.) (Notes 1, 2) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS High-Impedance Output Current IOZ PWRDWN = low, VOUT = -0.3V to (VCCO + 0.3V) -30 +30 µA RxCLKOUT (Note 4) -10 -40 VCCO = 3.0V to 3.6V, VOUT = 0V RxOUT_ -5 -20 RxCLKOUT (Note 4) -28 -75 Output Short-Circuit Current (Note 5) IOS VCCO = 4.5V to 5.5V, VOUT = 0V RxOUT_ -13 -37 mA RxOUT_ VCCO = 3.0V to 3.6V, VOUT = 0V RxCLKOUT (Note 4) -16 -51 RxOUT_ Output Short-Circuit Current (MAX9254) (Note 5) IOS VCCO = 4.5V to 5.5V, VOUT = 0V RxCLKOUT (Note 4) -34 -93 mA LVDS INPUTS (RxIN_, RxCLKIN_) Differential Input High Threshold VTH (Note 6) 50 mV Differential Input Low Threshold VTL (Note 6) -50 mV Input Current IIN+, IIN- PWRDWN = high or low -25 +25 µA Power-Off Input Current IINO+, IINO- VCC = VCCO = 0V or open -40 +40 µA -40°C to +85°C 42 78 Input Resistor 1 RIN1 PWRDWN = high or low, VCC = VCCO = 0V or open, Figure 1 -40°C to +105°C 42 85 k Ω -40°C to +85°C 246 410 Input Resistor 2 RIN2 PWRDWN = high or low, VCC = VCCO = 0V or open, Figure 1 -40°C to +105°C 246 440 k Ω |