4

FN6073.4

July 26, 2007

Absolute Maximum Ratings

Thermal Information

Input Voltages

Input/Output Voltages

A, B, Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to + 12.5V

Short Circuit Duration

Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous

ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table

Thermal Resistance (Typical)

θ

8 Ld SOIC Package (Note 3) . . . . . . . . . . . . . . . . . .

170

14 Ld SOIC Package (Note 3) . . . . . . . . . . . . . . . . .

128

Maximum Junction Temperature (Plastic Package) . . . . . . +150°C

Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°C

Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below

http://www.intersil.com/pbfree/Pb-FreeReflow.asp

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C

CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and

result in failures not covered by warranty.

NOTE:

3.

Electrical Specifications

(Note 4).

PARAMETER

SYMBOL

TEST CONDITIONS

TEMP

(°C)

MIN

(NOTE 9)

TYP

MAX

(NOTE 9) UNITS

DC CHARACTERISTICS

Full

-

-

V

R = 50

Ω (RS-422) (Figure 1)

Full

2

3

-

V

R = 27

Ω (RS-485) (Figure 1)

Full

1.5

2.3

5

V

Change in Magnitude of Driver

Output States

ΔV

OD

R = 27

Ω or 50Ω (Figure 1)

Full

-

0.01

0.2

V

R = 27

Ω or 50Ω (Figure 1)

Full

-

-

3

V

Change in Magnitude of Driver

Complementary Output States

R = 27

Ω or 50Ω (Figure 1)

Full

-

0.01

0.2

V

Logic Input High Voltage

DE, DI, RE

Full

2

-

-

V

Logic Input Low Voltage

DE, DI, RE

Full

0.8

-

-

V

Logic Input Current

DI

Full

-2

-

2

μA

DE, RE (Note 8)

Full

-40

-

40

μA

Input Current (A, B) (Note 7)

or 4.5V to 5.5V

Full

-

-

1

mA

Full

-0.8

-

-

mA

Driver Three-State Output Current (Y, Z)

DE = 0V, -7V

Full

-100

-

100

μA

Receiver Differential Threshold Voltage

-7V

Full

-0.2

-

0.2

V

Receiver Input Hysteresis

25

-

70

-

mV

Receiver Output High Voltage

Full

3.5

-

-

V

Receiver Output Low Voltage

Full

-

-

0.4

V

Receiver Three-State Output Current

Full

-

-

±1

μA

Receiver Input Resistance

-7V

≤ V

Full

12

-

-

k

Ω

No-Load Supply Current (Note 5)

Full

-

120

140

μA

Full

-

140

190

μA

ISL8490E/ISL8491E, DE, DI, RE = 0V or

Full

-

370

460

μA

Driver Short-Circuit Current,

Full

35

-

250

mA

ISL8488E, ISL8489E, ISL8490E, ISL8491E