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RECEIVER SECTION

Electrical Characteristics

(1)

Switching Characteristics

(1)

TRS3238

3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD (HBM) PROTECTION

SLLS817 – JULY 2007

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 6)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

High-level output voltage

V

Low-level output voltage

0.4

V

1.5

2.4

Positive-going input threshold voltage

V

1.8

2.4

0.6

1.2

Negative-going input threshold voltage

V

0.8

1.5

0.3

V

Output leakage current (except ROUT1B)

FORCEOFF = 0 V

±0.05

±10

μA

Input resistance

3

5

7

k

Ω

(1)

Testing supply conditions are C1–C4 = 0.1

and C2–C4 = 0.33

(2)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)

PARAMETER

TEST CONDITIONS

UNIT

Propagation delay time, low- to high-level

See Figure 3

150

ns

output

Propagation delay time, high- to low-level

See Figure 3

150

ns

output

Output enable time

200

ns

See Figure 4

Output disable time

200

ns

See Figure 3

50

ns

(1)

Testing supply conditions are C1–C4 = 0.1

and C2–C4 = 0.33

(2)

(3)

7

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