GD75232
MULTIPLE RS-232 DRIVERS AND RECEIVERS
SLLS206C – MAY 1995 – REVISED JULY 1998
RECEIVER SECTION
electrical characteristics over recommended operating conditions (unless otherwise noted)
PARAMETER
VIT
IT+
VIT–
Vhys
VOH
VOL
IIH
IIL
Positive-going
Positive going input threshold voltage
Negative-going input threshold voltage
Input hysteresis voltage (VIT + – VIT–)
High-level
High level output voltage
Low-level input voltage
High-level
High level input current
Low-level
Low level output current
IOH = – 0.5 mA
05
IOL = 10 mA,
VI = 25 V,
VI = 3 V,
VI = – 25 V,
VI = – 3 V,
VIH = 0.75 V
Inputs open
VI = 3 V
See Figure 5
See Figure 5
See Figure 5
See Figure 5
TEST CONDITIONS
See Figure 5
TA = 25°C
TA = 0°C to 70
°C
MIN
1.75
1.55
0.75
0.5
2.6
2.6
0.2
3.6
0.43
– 3.6
– 0.43
– 3.4
–12
– 8.3
0.45
8.3
4
5
V
V
mA
mA
mA
0.97
TYP
1.9
MAX
2.3
2.3
1.25
V
UNIT
IOS
Short-circuit output current
See Figure 4
† All typical values are at TA = 25°C, VCC = 5 V, VDD = 9 V, and VSS = – 9 V.
switching characteristics, V
CC
= 5 V, V
DD
= 12 V, V
SS
= –12 V, T
A
= 25°C
PARAMETER
tPLH
tPHL
tTLH
tTHL
tPLH
tPHL
tTLH
tTHL
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
Transition time, low- to high-level output
Transition time, high- to low-level output
Propagation delay time, low- to high-level output
Propagation delay time, high- to low-level output
Transition time, low- to high-level output
Transition time, high- to low-level output
CL = 15 pF,
See Figure 6
RL = 1.5 kΩ,
CL = 50 pF,
See Figure 6
RL = 5 kΩ,
TEST CONDITIONS
MIN
TYP
107
42
175
16
100
60
90
15
MAX
250
150
350
60
160
100
175
50
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
6
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
TI [ TEXAS INSTRUMENTS ]
