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CDCP1803RGETG4 Datasheet(PDF) 7 Page - Texas Instruments |
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CDCP1803RGETG4 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 25 page CDCP1803 www.ti.com SCAS727F – NOVEMBER 2003 – REVISED DECEMBER 2013 ELECTRICAL CHARACTERISTICS (continued) over operating free-air temperature range (unless otherwise noted) LVPECL OUTPUT DRIVER Y[2:0], Y[2:0] PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fclk Output frequency, see Figure 3. 0 800 MHz VOH High-level output voltage Termination with 50 Ω to VDD – 2 V VDD – 1.18 VDD – 0.81 V VOL Low-level output voltage Termination with 50 Ω to VDD – 2 V VDD – 1.98 VDD – 1.55 V Output voltage swing between Y and Y, VO Termination with 50 Ω to VDD – 2 V 500 mV see Figure 3. IOZL VDD = 3.6 V, VO = 0 V 5 Output 3-state current μA IOZH VDD = 3.6 V, VO = VDD – 0.8 V 10 tr/tf Rise and fall times 20% to 80% of VOUTPP, see Figure 7. 200 350 ps Output skew between any LVPECL tskpecl(o) See Note A in Figure 6. 15 30 ps output Y[2:0] and Y[2:0] Crossing point-to-crossing point tDuty Output duty-cycle distortion(1) –50 50 ps distortion tsk(pp) Part-to-part skew Any Y, see Note B in Figure 6. 50 300 ps CO Output capacitance VO = VDD or GND 1 pF LOAD Expected output load 50 Ω (1) For an 800-MHz signal, the 50-ps error would result in a duty cycle distortion of ±4% when driven by an ideal clock input signal. LVPECL INPUT-TO-LVPECL OUTPUT PARAMETERS PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tpd(lh) Propagation delay, rising edge VOX to VOX 320 600 ps tpd(hl) Propagation delay, falling edge VOX to VOX 320 600 ps tsk(p) LVPECL pulse skew VOX to VOX, see Note C in Figure 6. 100 ps JITTER CHARACTERISTICS PARAMETER TEST CONDITIONS MIN TYP MAX UNIT JITTER CHARACTERISTICS 12 kHz to 20 MHz, fout = 250 MHz to 800 MHz, 0.15 divide-by-1 mode Additive phase jitter from input to tjitterLVPECL ps rms LVPECL output Y[2:0], see Figure 2. 50 kHz to 40 MHz, fout = 250 MHz to 800 MHz, 0.25 divide-by-1 mode Copyright © 2003–2013, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links :CDCP1803 |
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