Owner's manual

3
Standard ICs BU4030B / BU4030BF / BU4070B / BU4070BF
Switching characteristics (unless otherwise noted, VSS = 0V, Ta = 25°C, CL = 50 pF)
Parameter Symbol Min. Typ. Max. Unit. Conditions
Measurement
circuit
t
TLH
— 180 —
ns
5
— Fig.2 — 90 — 10
— 65 — 15
t
THL
— 100 —
ns
5
— Fig.2 — 50 — 10
— 40 — 15
t
PLH
— 175 —
ns
5
— Fig.2 — 75 — 10
— 50 — 15
t
PHL
— 175 —
ns
5
— Fig.2 — 75 — 10
— 50 — 15
C
I — 5 — pF – — —
"L" to "H" propagation delay time
"H" to "L" propagation delay time
V
DD (V)
Output rise time
Output fall time
Input capacitance
•
Measurement circuits
A
V
DD
GND
V
IN2VIN1
VO VO
IO
V
Fig. 1 DC characteristics measurement circuit
VDD
CL = 50pF
P.G.
20ns
t
PHL
VDD
tTHL
tPLH
tTLM
Input
GND
GND
Output
20ns
Fig. 2 Switching characteristics measurement circuit