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PARAMETER MEASUREMENT INFORMATION

50

Ω

TEST CIRCUIT

VOLTAGE WAVEFORMS

0 V

3 V

Output

Input

Generator

(see Note B)

RS-232

Output

(see Note A)

SR(tr) +

6 V

t

THL

or t

TLH

1.5 V

1.5 V

3 V

−3 V

3 V

−3 V

TEST CIRCUIT

VOLTAGE WAVEFORMS

0 V

3 V

Output

Input

50%

50%

1.5 V

1.5 V

50

Ω

Generator

(see Note B)

RS-232

Output

(see Note A)

TEST CIRCUIT

VOLTAGE WAVEFORMS

50

Ω

50%

50%

−3 V

3 V

1.5 V

1.5 V

Output

Input

Generator

(see Note B)

Output

(see Note A)

SN65C3232E,, SN75C3232E

3-V TO 5.5-V TWO-CHANNEL RS-232 1-MBIT/S LINE DRIVERS/RECEIVERS

WITH

±15-kV IEC ESD PROTECTION

SLLS697 – DECEMBER 2005

Figure 1. Driver Slew Rate

Figure 2. Driver Pulse Skew

Figure 3. Receiver Propagation Delay Times

7