there are quite a few quantizers that have 4 channels - Bard Quartet, ADDAC, O&C but not many that will handle 8 - sinfonion, perhaps, but that'll only actually quantize 3-4 channels and generate v/oct for the others...
to be clear this is for pitch (v/oct) quantization only...
time quantization is not really done in modular - usually we use clock dividers and multipliers fed by a steady clock to trigger events at precise points - dividing a fast clock will always be more stable than multiplying, as a divider just counts the clock, whilst a multiplier has to measure the time between 2 clock ticks and then divide that time by the multiplication factor (and if the clock is not so stable it will be off at some point
it's more common that people want to add swing or go slightly off clock to humanise the rhythm - using a vc trigger/gate delay, perhaps
I think it might be a good idea if you created a rack on here and shared it (and also the other studio parts you want to interface with)
"some of the best base-level info to remember can be found in Jim's sigfile" @Lugia
Utility modules are the dull polish that makes the shiny modules actually shine!!!
sound sources < sound modifiers < modulation sources < utilities