Datasheet

RECEIVER SECTION
Switching Characteristics
(1)
TRS232E
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Electrical Characteristics
(1)
over recommended ranges of supply voltage and operating free-air temperature range
PARAMETER TEST CONDITIONS MIN TYP
(2)
MAX UNIT
V
OH
High-level output voltage ROUT I
OH
= – 1 mA 3.5 V
V
OL
Low-level output voltage
(3)
ROUT I
OL
= 3.2 mA 0.4 V
V
IT+
Receiver positive-going input threshold voltage RIN V
CC
= 5 V, T
A
= 25 ° C 1.7 2.4 V
V
IT –
Receiver negative-going input threshold voltage RIN V
CC
= 5 V, T
A
= 25 ° C 0.8 1.2 V
V
hys
Input hysteresis voltage RIN V
CC
= 5 V 0.2 0.5 1 V
r
i
Receiver input resistance RIN V
CC
= 5 V, T
A
= 25 ° C 3 5 7 k Ω
(1) Test conditions are C1 – C4 = 1 µ F at V
CC
= 5 V ± 0.5 V.
(2) All typical values are at V
CC
= 5 V and T
A
= 25 ° C.
(3) The algebraic convention, in which the least-positive (most negative) value is designated minimum, is used in this data sheet for logic
voltage levels only.
V
CC
= 5 V, T
A
= 25 ° C (see Figure 1 )
PARAMETER TYP UNIT
t
PLH(R)
Receiver propagation delay time, low- to high-level output 500 ns
t
PHL(R)
Receiver propagation delay time, high- to low-level output 500 ns
(1) Test conditions are C1 – C4 = 1 µ F at V
CC
= 5 V ± 0.5 V.
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