preliminary

preliminary

iC149

PROGRAMMABLE ns-PULSE GENERATOR

Rev A2, Page 5/8

SETTING THE PULSE WIDTH

∆

T = (m ∗ 4 ns + n ∗ 0.25 ns) ± 2 ns

1 ≤ m (coarse) ≤ 15,

0 ≤ n (fine)) ≤ 15

∆

T = (m ∗ 4 ns + 3.75 ns) ± 2 ns

1 ≤ m (coarse) ≤ 15,

n (fine)) = 15

Figure 5: Setting the pulse width "coarse"

Figure 6: Setting the pulse width "fine", with respect to the supply voltage and device parameter variation