Rainbow Electronics BU4S81 - Manual (Page 3)

3
Standard ICs BU4S81
Switching characteristics (unless otherwise noted, Ta = 25°C, V
SS
= 0V, C
L
= 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
V
DD
(V)
t
PLH
t
THL
t
TLH
t
PHL
Output rise time
Output fall time
Propagation delay time
•
Measurement circuits
V
A
V DD
V SS
Fig.1 DC characteristics measurement circuit
V DD
V SS
P.G.
C L = 50pF
t TLH t THL
20ns 20ns
90%
50%
10%
90%
50%
10%
t PHL t PLH
V DD
V SS
V OH
V OL
Fig.2 Switching characteristics measurement circuit
Input waveform
Output waveform