
X76F102
GUIDELINES FOR CALCULATING TYPICAL VALUES OF BUS PULL UP RESISTORS
100
80
RMAX
60
40
20 RMIN
20 40 60 80 100
Bus capacitance in pF
RMIN = V---I--CO----C-L---MM-----IA--N--X--- = 1.8KΩ
RMAX = C-----B-t--R--U----S---
tR = maximum allowable SDA rise time
11