MAX3440EASA データシートの表示（PDF） - Maxim Integrated
部品番号
コンポーネント説明
メーカー
MAX3440EASA
Maxim Integrated
MAX3440EASA Datasheet PDF : 19 Pages
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MAX3440E–MAX3444E
±15kV ESD-Protected, ±60V Fault-Protected,
10Mbps, Fail-Safe RS-485/J1708 Transceivers
Test Circuits and Waveforms (continued)
0 OR 3V
GENERATOR
(NOTE 4)
A
DI
D
B
DE
50W
S1
CL = 50pF
(NOTE 5)
A, B
RL = 500W
VOM =
VOH + VOL
2
ª 1.5V
Figure 5. Driver Enable and Disable Times
3V
DE
1.5V
1.5V
tPDZH
0
tPDHS
tPDHZ
A, B
VOM
0.25V VOH
0
0 OR 3V
GENERATOR
(NOTE 4)
DI
A
S1
D
B
DE CL = 50pF
(NOTE 5)
50Ω
VCC
RL = 500Ω
A, B
Figure 6. Driver Enable and Disable Times
3V
DE
1.5V
1.5V
tPDZL
0
tPDLS
tPDLZ
A, B
VOM
VCC
0.25V
VOL
GENERATOR
(NOTE 4)
50Ω
A
VID
R
RO
B
CL = 20pF
(NOTE 5)
1.0V
0
Figure 7. Receiver Propagation Delay
2.0V
(A–B)
1.0V
tRPLH
1.0V
0
tRPHL
RO
VOM
VCC
VOM
0
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