A reference app note on their reset, suspend and active states of the input / output pins of various FTDI’s devices.
FTDI devices covered are:
FT232R, FT245R, FT232H, FT2232H, FT4232H, FT2232D, FT200XD, FT201X, FT220X, FT221X, FT230X, FT231X, FT234XD, FT240X, FT120, FT121, FT122 & FT313H.