TRSF3232IPW datasheet(5/13 Pages) TI

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RECEIVER SECTION

Switching Characteristics

(1)

TRSF3232

3-V TO 5.5-V MULTICHANNEL RS-232 COMPATIBLE

LINE DRIVER/RECEIVER

SLLS858 – AUGUST 2007

abc

Electrical Characteristics

(1)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 4)

PARAMETER

TEST CONDITIONS

MIN

TYP(2)

MAX

UNIT

VOH

High-level output voltage

IOH = –1 mA

VCC – 0.6

VCC – 0.1

VOL

Low-level output voltage

IOL = 1.6 mA

0.4

VCC = 3.3 V

1.5

2.4

VIT+

Positive-going input threshold voltage

VCC = 5 V

1.8

2.4

VCC = 3.3 V

0.6

1.2

VIT–

Negative-going input threshold voltage

VCC = 5 V

0.8

1.5

Vhys

Input hysteresis (VIT+ – VIT–)

0.3

Input resistance

VI = ±3 V to ±25 V

Ω

(1)

Test conditions are C1–C4 = 0.1

μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.

(2)

All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 3)

PARAMETER

TEST CONDITIONS

TYP(2)

UNIT

tPLH

Propagation delay time, low- to high-level output

CL = 150 pF

300

tPHL

Propagation delay time, high- to low-level output

CL = 150 pF

300

tsk(p)

Pulse skew(3)

300

(1)

Test conditions are C1–C4 = 0.1

μF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 μF, C2–C4 = 0.33 μF at VCC = 5 V ± 0.5 V.

(2)

All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C.

(3)

Pulse skew is defined as |tPLH – tPHL| of each channel of the same device.

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