MAX232, MAX232I

DUAL EIA232 DRIVERS/RECEIVERS

SLLS047L − FEBRUARY 1989 − REVISED MARCH 2004

5

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

≤10 ns

VCC

R1IN

or

R2IN

R1OUT

or

R2OUT

RL = 1.3 kΩ

See Note C

CL = 50 pF

(see Note B)

TEST CIRCUIT

≤10 ns

Input

Output

tPHL

tPLH

1.5 V

VOL

VOH

0 V

3 V

10%

90%

50%

500 ns

WAVEFORMS

1.5 V

90%

50%

10%

NOTES: A. The pulse generator has the following characteristics: ZO = 50 Ω, duty cycle ≤ 50%.

B. CL includes probe and jig capacitance.

C. All diodes are 1N3064 or equivalent.

Pulse

Generator

(see Note A)