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AUTO-POWERDOWN SECTION

Switching Characteristics

MAX3227

3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV ESD PROTECTION

SLLS673A – AUGUST 2005 – REVISED FEBRUARY 2006

xxx

Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Receiver input threshold

2.7

V

for INVALID high-level output voltage

Receiver input threshold

–2.7

V

for INVALID high-level output voltage

Receiver input threshold

–0.3

0.3

V

for INVALID low-level output voltage

INVALID, READY output voltage high

V

INVALID, READY output voltage low

0.4

V

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

PARAMETER

MAX

UNIT

Propagation delay time, low- to high-level output

1

µs

Propagation delay time, high- to low-level output

30

µs

Supply enable time

100

µs

Driver or receiver edge to driver's shutdown

15

30

60

s

(1)

7

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