User guide

3
Standard ICs BU4S81
Switching characteristics (unless otherwise noted, Ta = 25°C, VSS = 0V, CL = 50pF)
Parameter Symbol Min. Typ. Max. Unit Conditions
Measurement
circuit
— 70 200 ns 5
—
Fig.2
— 35 100 ns 10
— 30 80 ns 15
— 70 200 ns 5
—— 35 100 ns 10
— 30 80 ns 15
— 90 200 ns 5
—— 45 100 ns 10
— 30 80 ns 15
— 90 200 ns 5
—— 45 100 ns 10
— 30 80 ns 15
VDD (V)
t
PLH
tTHL
tTLH
tPHL
Output rise time
Output fall time
Propagation delay time
•
Measurement circuits
V
A
VDD
VSS
Fig.1 DC characteristics measurement circuit
VDD
VSS
P.G.
C
L = 50pF
tTLH tTHL
20ns 20ns
90%
50%
10%
90%
50%
10%
tPHL
tPLH
VDD
VSS
VOH
VOL
Fig.2 Switching characteristics measurement circuit
Input waveform
Output waveform