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TEST CIRCUIT

50

Ω

3 V or 0 V

EN

RL

S1

GND

Output

VOLTAGE WAVEFORMS

3 V

0 V

Input

1.5 V

1.5 V

0.8 V

3.5 V

Output

Output

tPZH

(S1 at GND)

tPZL

(S1 at VCC)

tPLZ

(S1 at VCC)

tPHZ

(S1 at GND)

CL

(see Note A)

Generator

(see Note B)

NOTES: A. CL includes probe and jig capacitance.

B. The pulse generator has the following characteristics: ZO = 50 Ω, 50% duty cycle, tr ≤ 10 ns, tf ≤ 10 ns.

C. tPLZ and tPHZ are the same as tdis.

D. tPZL and tPZH are the same as ten.

5-V

SHDN

VCC

VOH

VOL

VOH – 0.1 V

VOL + 0.1 V

MAX213

5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD PROTECTION

SLLS680 – DECEMBER 2005

PARAMETER MEASUREMENT INFORMATION (continued)

Figure 5. Receiver Enable and Disable Times

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