2SA1977 View Datasheet(PDF) - NEC => Renesas Technology
Part Name
Description
Manufacturer
2SA1977 Datasheet PDF : 12 Pages
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2SA1977
SWITCHING CHARACTERISTICS
Parameter
Symbol
Vin = 1 V
Unit
TYP.
Turn-on Delay Time ton (delay)
1.08
ns
Rise Time
tr
0.66
ns
Turn off Delay Time toff (delay)
0.32
ns
Fall Time
tf
0.78
ns
SWITCHING TIME MEASUREMENT CIRCUIT
VCC ( – )
RC1
RC2
RL1
RL2
VOUT
Vin
RS
Sampling
Oscilloscope
50 Ω
VSS ( – )
Vin
20 ns
ton (delay) tr
toff (delay) tr
VOUT
RE
VEE ( + )
Vin = 1 V, VBB = −0.5 V, RC1 = RC2
RS
RC
RL1
RL2
RE
VEE
VCC
(Ω)
(Ω)
(Ω)
(Ω)
(Ω)
(V)
(V)
160
1k
200
250
2.7 k
27
26.3
2
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