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Auto-Powerdown Section Electrical Characteristics
Auto-Powerdown Section Switching Characteristics
MAX3221E
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH 15-kV IEC ESD PROTECTION
SLLS686A – OCTOBER 2005 – REVISED MAY 2006
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 5 )
PARAMETER TEST CONDITIONS MIN MAX UNIT
Receiver input threshold
V
T+(valid)
FORCEON = GND, FORCEOFF = V
CC
2.7 V
for INVALID high-level output voltage
Receiver input threshold
V
T–(valid)
FORCEON = GND, FORCEOFF = V
CC
–2.7 V
for INVALID high-level output voltage
Receiver input threshold
V
T(invalid)
FORCEON = GND, FORCEOFF = V
CC
–0.3 0.3 V
for I NVALID low-level output voltage
I
OH
= –1 mA, FORCEON = GND,
V
OH
INVALID high-level output voltage V
CC
– 0.6 V
FORCEOFF = V
CC
I
OL
= 1.6 mA, FORCEON = GND,
V
OL
INVALID low-level output voltage 0.4 V
FORCEOFF = V
CC
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 5 )
PARAMETER TYP
(1)
UNIT
t
valid
Propagation delay time, low- to high-level output 1 µ s
t
invalid
Propagation delay time, high- to low-level output 30 µ s
t
en
Supply enable time 100 µ s
(1) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25 ° C.
6
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