User Manual

3
Standard ICs BS4S11
Switching characteristics (unless otherwise noted, VSS = 0V, Ta = 25°C, CL = 50 pF)
Parameter Symbol Min. Typ. Max. Unit
Measurement
circuit
V
DD (V)
Conditions
t
TLH
— 70 — ns 5
—
Fig.2
— 35 — ns 10
— 30 — ns 15
t
THL
— 70 — ns 5
—— 35 — ns 10
— 30 — ns 15
t
PLH
— 85 — ns 5
—— 40 — ns 10
— 30 — ns 15
t
PHL
— 85 — ns 5
—— 40 — ns 10
— — ns 15
C
IN —5—pF 5 — —
30
Output rise time
Output fall time
Propagation delay time
Input capacitance
•
Measurement circuits
V
A
VDD
VSS
Fig.1 DC characteristics measurement circuit
VDD
P.G
C
L = 50pF
VSS
tTLH tTHL
20ns 20ns
90%
50%
10%
90%
50%
10%
tPHL
VOL
VSS
VDD
tPLH
VOH
Input waveform
Output waveform
Fig.2 Switching characteristics measurement circuit