GD65232, GD75232

MULTIPLE RS232 DRIVERS AND RECEIVERS

SLLS206J − MAY 1995 − REVISED NOVEMBER 2004

6

POST OFFICE BOX 655303

RECEIVER SECTION

electrical characteristics over recommended operating conditions (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIT+

Positive-going input threshold voltage

TA = 25°C,

See Figure 5

1.75

1.9

2.3

V

VIT+

Positive-going input threshold voltage

TA = 0°C to 70°C,

See Figure 5

1.55

2.3

V

VIT−

Negative-going input threshold voltage

0.75

0.97

1.25

V

Vhys

Input hysteresis voltage (VIT+ − VIT−)

0.5

V

VOH

High-level output voltage

IOH = −0.5 mA

VIH = 0.75 V

2.6

4

5

V

VOH

High-level output voltage

IOH = −0.5 mA

Inputs open

2.6

V

VOL

Low-level output voltage

IOL = 10 mA,

VI = 3 V

0.2

0.45

V

VI = 25 V,

See Figure 5

GD65232

3.6

11

IIH

High-level input current

VI = 25 V,

See Figure 5

GD75232

3.6

8.3

mA

IIH

High-level input current

VI = 3 V,

See Figure 5

0.43

mA

VI = −25 V,

See Figure 5

GD65232

−3.6

−11

IIL

Low-level input current

VI = −25 V,

See Figure 5

GD75232

−3.6

−8.3

mA

IIL

Low-level input current

VI = −3 V,

See Figure 5

−0.43

mA

IOS

Short-circuit output current

See Figure 4

−3.4

−12

mA

† All typical values are at TA = 25°C, VCC = 5 V, VDD = 9 V, and VSS = −9 V.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

tPLH

Propagation delay time, low- to high-level output

107

250

ns

tPHL

Propagation delay time, high- to low-level output

CL = 50 pF,

RL = 5 kΩ

See Figure 6

42

150

ns

tTLH

Transition time, low- to high-level output

CL = 50 pF,

RL = 5 kΩ,

See Figure 6

175

350

ns

tTHL

Transition time, high- to low-level output

16

60

ns

tPLH

Propagation delay time, low- to high-level output

100

160

ns

tPHL

Propagation delay time, high- to low-level output

CL = 15 pF,

RL = 1.5 kΩ

See Figure 6

60

100

ns

tTLH

Transition time, low- to high-level output

CL = 15 pF,

RL = 1.5 kΩ, See Figure 6

90

175

ns

tTHL

Transition time, high- to low-level output

15

50

ns