Datasheet

t
WU
V
CC
0
0
V+
V−
V
CC
0
Driver
Inputs
Receiver
Inputs
}
INVALID
Output
Driver
Outputs
V
CC
Invalid
Region
Ready
Output
t
INVH
t
WU
t
INVL
VOLTAGE WAVEFORMS
TEST CIRCUIT
50 Ω
Generator
(see Note B)
ROUT
Auto-Power-
Down Plus
INVALID
DOUTDIN
C
L
= 30 pF
(see Note A)
2.7 V
−2.7 V
0.3 V
−0.3 V
0 V
Valid RS-232 Level, INVALID
High
Indeterminate
Indeterminate
If Signal Remains Within This Region
For More Than 30 µs, INVALID
Is Low
†
Valid RS-232 Level, INVALID
High
†
Auto power down disables drivers and reduces supply
current to 1 µA.
FORCEON
FORCEOFF
MAX3318E
SLLS741A –JUNE 2006–REVISED OCTOBER 2013 www.ti.com
PARAMETER MEASUREMENT INFORMATION
Figure 4. INVALID Propagation Delay Times and Supply Enabling Time
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