Silicon Laboratories SI5322 Clock User Manual


 
Si53xx-RM
Rev. 0.5 115
8.5. Three-Level (3L) Input Pins (No External Resistors)
Figure 55. Three Level Input Pins
Parameter Symbol Min Max
Input Voltage Low Vill .15 x V
DD
Input Voltage Mid Vimm .45 x Vdd .55 x V
DD
Input Voltage High Vihh .85 x Vdd
Input Low Current Iill –6 µA
Input Mid Current Iimm –2 µA 2 µA
Input High Current Iihh 6 µA
Note: The above currents are the amount of leakage that the 3L inputs can tolerate from an external driver.
External Driver
Si53xx
I
imm
75 k
V
DD
75 k