BU4S01 Datasheet, PDF (3/4 Pages) Rohm – Single 2-input NOR gate

Standard ICs
Switching characteristics (unless otherwise noted, VSS = 0V, Ta = 25°C, CL = 50pF)
Parameter
Symbol Min.
Typ.
Max.
Unit
VDD (V)
—
70
—
ns
5
Output rise time
tTLH
—
35
—
ns
10
—
30
—
ns
15
—
70
—
ns
5
Output fall time
tTHL
—
35
—
ns
10
—
30
—
ns
15
—
85
—
ns
5
tPLH
—
40
—
ns
10
Propagation delay time
—
30
—
ns
15
—
85
—
ns
5
tPHL
—
40
—
ns
10
—
30
—
ns
15
Input capacitance
CIN
—
5
—
pF
5
Conditions
—
—
—
—
—
BU4S01
Measurement
circuit
Fig.2
—
•^{Measurement circuits}
VDD
A
V
VSS
Fig.1 DC characteristics measurement circuit
VDD
20ns
20ns
Input waveform
90%
50%
10%
P.G
tPHL
tPLH
CL = 50pF
90%
50%
VSS
Output waveform
10%
tTHL
tTLH
Fig.2 Switching characteristics measurement circuit
3