LC72121 - PLL Frequency Synthesizers for Electronic ... - MaxDat

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<strong>LC72121</strong>, 72121M, 72121V Serial Data Input (IN1/IN2) t SU , t HD , t EL , t ES , t EH ≥ 0.75 µs t LC < 0.75 µs • CL: Normally high • CL: Normally low Serial Data Output (Out) t SU , t HD , t EL , t ES , t EH ≥ 0.75 µs t DC , t DH < 0.35 µs • CL: Normally high • CL: Normally low Note: The data conversion times (t DC and t DH ) depend on the value of the pull-up resistor and the printed circuit board capacitance since the DO pin is an n-channel open-drain circuit. No. 5815-12/23
<strong>LC72121</strong>, 72121M, 72121V Serial Data Timing When CL is Stopped at the Low Level When CL is Stopped at the High Level Parameter Symbol Conditions min Ratings typ max Unit Data setup time t SU DI, CL 0.75 µs Data hold time t HD DI, CL 0.75 µs Clock low level time t CL CL 0.75 µs Clock high level time t CH CL 0.75 µs CE wait time t EL CE, CL 0.75 µs CE setup time t ES CE, CL 0.75 µs CE hold time t EH CE, CL 0.75 µs Data latch change time t LC 0.75 µs Data output time t DC DO, CL These values differ depending on the value of the pull-up 0.35 µs t DH DO, CE resistor used and the printed circuit board capacitance. 0.35 µs No. 5815-13/23
Page 1: Ordering number : EN5815A CMOS IC L
Page 7 and 8: Procedures for Input and Output of
Page 9 and 10: LC72121, 72121M, 72121V DI Control
Page 11: LC72121, 72121M, 72121V Continued f
Page 15 and 16: LC72121, 72121M, 72121V Structure o
Page 17 and 18: LC72121, 72121M, 72121V Unlocked St
Page 19 and 20: LC72121, 72121M, 72121V Clock Time
Page 21 and 22: LC72121, 72121M, 72121V Other Items
Page 23 and 24: LC72121, 72121M, 72121V Specificati

LC72121 - PLL Frequency Synthesizers for Electronic ... - MaxDat

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