CY2545_0710 Datasheet, PDF (12/15 Pages) Cypress Semiconductor – Quad PLL Programmable Spread Spectrum Clock Generator with Serial I2C Interface

Test and Measurement Setup
Figure 8. Test and Measurement Setup
V_DD
0.1 μF
DUT
Outputs
C _LOAD
GND
Voltage and Timing Definitions
Clock
Output
Figure 9. Duty Cycle Definition
t₁
t₂
V_{DD_CLK_BX}
50% of V
DD_CLK_BX
0V
Figure 10. Rise Time = T_RF, Fall Time = T_RF
T_RF
T_RF
V _{DD_CLK_BX}
80% of V
DD_CLK_BX
Clock
Output
20% of V
DD_CLK_BX
0V
CY2545
CY2547
Document #: 001-13196 Rev. *A
Page 12 of 15
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