Datasheet

MAX3221
SLLS348N –JUNE 1999–REVISED JANUARY 2014 www.ti.com
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Electrical Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(1)
(see Figure 5)
PARAMETER TEST CONDITIONS MIN MAX UNIT
Receiver input threshold for INVALID high-level FORCEON = GND,
V
T+(valid)
2.7 V
output voltage FORCEOFF = V
CC
Receiver input threshold for INVALID high-level FORCEON = GND,
V
T–(valid)
–2.7 V
output voltage FORCEOFF = V
CC
Receiver input threshold for INVALID low-level FORCEON = GND,
V
T(invalid)
–0.3 0.3 V
output voltage FORCEOFF = V
CC
I
OH
= –1 mA,
V
OH
INVALID high-level output voltage FORCEON = GND, V
CC
– 0.6 V
FORCEOFF = V
CC
I
OH
= –1 mA,
V
OL
INVALID low-level output voltage FORCEON = GND, 0.4 V
FORCEOFF = V
CC
(1) Test conditions are C1−C4 = 0.1 μF at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 μF, C2−C4 = 0.33 μF at V
CC
= 5 V ± 0.5 V.
Switching Characteristics
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
(1)
(see Figure 5)
PARAMETER MIN TYP
(2)
MAX UNIT
t
valid
Propagation delay time, low- to high-level output 1 µs
t
invalid
Propagation delay time, high- to low-level output 30 µs
t
en
Supply enable time 100 µs
(1) Test conditions are C1−C4 = 0.1 μF at V
CC
= 3.3 V ± 0.3 V; C1 = 0.047 μF, C2−C4 = 0.33 μF at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 3.3 V or V
CC
= 5 V, and T
A
= 25°C.
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