Rainbow Electronics BU4070BF - Manual (Page 3)

3
Standard ICs BU4030B / BU4030BF / BU4070B / BU4070BF
Switching characteristics (unless otherwise noted, V
SS
= 0V, Ta = 25°C, C
L
= 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 IN2 V IN1
V O V O
I O
V
Fig. 1 DC characteristics measurement circuit
V DD
C L = 50pF
P.G.
20ns
t PHL
V DD
t THL
t PLH
t TLM
Input
GND
GND
Output
20ns
Fig. 2 Switching characteristics measurement circuit