MAX3243ECPWRE4 参数 Datasheet PDF下载

MAX3243E

3-V TO 5.5-V MULTICHANNEL RS-232 LINE DRIVER/RECEIVER

WITH

±15-kV

IEC ESD PROTECTION

SLLS657A – APRIL 2005 – REVISED JUNE 2005

www.ti.com

AUTO-POWERDOWN SECTION

Electrical Characteristics

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

PARAMETER

V

IT+(valid)

V

IT–(valid)

V

T(invalid)

V

OH

V

OL

Receiver input threshold

for INVALID high-level output voltage

Receiver input threshold

for INVALID high-level output voltage

Receiver input threshold

for INVALID low-level output voltage

INVALID high-level output voltage

INVALID low-level output voltage

TEST CONDITIONS

FORCEON = GND,

FORCEOFF = V

CC

FORCEON = GND,

FORCEOFF = V

CC

FORCEON = GND,

FORCEOFF = V

CC

I

OH

= -1 mA, FORCEON = GND,

FORCEOFF = V

CC

I

OL

= 1.6 mA, FORCEON = GND,

FORCEOFF = V

CC

–2.7

–0.3

V

CC

– 0.6

0.4

0.3

MIN

MAX

2.7

UNIT

V

V

V

V

V

Switching Characteristics

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

PARAMETER

t

valid

t

invalid

t

en

(1)

Propagation delay time, low- to high-level output

Propagation delay time, high- to low-level output

Supply enable time

V

CC

= 5 V

V

CC

= 5 V

V

CC

= 5 V

TEST CONDITIONS

TYP

(1)

1

30

100

UNIT

µs

µs

µs

All typical values are at V

CC

= 3.3 V or V

CC

= 5 V, and T

A

= 25°C.

8