GD75232 Datasheet, PDF (6/12 Pages) Texas Instruments – MULTIPLE RS-232 DRIVERS AND RECEIVERS

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
TEST CONDITIONS
VIT+
VIT–
Vhys
Positive-going input threshold voltage
Negative-going input threshold voltage
Input hysteresis voltage (VIT ₊ – VIT–)
See Figure 5
TA = 25°C
TA = 0°C to 70 °C
VOH High-level output voltage
IOH = – 0.5 mA
VIH = 0.75 V
Inputs open
VOL
IIH
Low-level input voltage
High-level input current
IIL
Low-level output current
IOL = 10 mA,
VI = 25 V,
VI = 3 V,
VI = – 25 V,
VI = – 3 V,
VI = 3 V
See Figure 5
See Figure 5
See Figure 5
See Figure 5
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.}
MIN
1.75
1.55
0.75
0.5
2.6
2.6
3.6
0.43
– 3.6
– 0.43
TYP^Ĕ
1.9
0.97
4
0.2
– 3.4
MAX
2.3
2.3
1.25
5
0.45
8.3
– 8.3
–12
UNIT
V
V
V
mA
mA
mA
switching characteristics, V_CC = 5 V, V_DD = 12 V, V_SS = –12 V, T_A = 25°C
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
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
CL = 50 pF,
See Figure 6
RL = 5 kΩ,
107 250 ns
42 150 ns
175 350 ns
16
60 ns
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
CL = 15 pF,
See Figure 6
RL = 1.5 kΩ,
100 160 ns
60 100 ns
90 175 ns
15
50 ns
6
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