Manual

3
Standard ICs BU4S71
Parameter Symbol Min. Typ. Max. Unit
Measurement
circuit
t
TLH
—
70 200 ns 5
—
Fig.2
—
35 100 ns 10
—
30 80 ns 15
t
THL
—
70 200 ns 5
—
Fig.2
—
35 100 ns 10
—
30 80 ns 15
t
PLH
—
90 200 ns 5
——
45 100 ns 10
—
30 80 ns 15
t
PHL
—
90 200 ns 5
——
45 100 ns 10
—
30 80 ns 15
Conditions
V DD ( V )
Output rise time
Output fall time
Propagation delay time
Switching characteristics (unless otherwise noted, VSS = 0V, Ta = 25°C, CL = 50pF)
•
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
Input waveform
Output waveform
Fig. 2 Switching characteristics measurement circuit