Akai CT-S21MTD-E3 Service Manual download pdf (Page 40)

_______________General Description

The MAX202E–MAX213E, MAX232E/MAX241E line

drivers/receivers are designed for RS-232 and V.28

communications in harsh environments. Each

transmitter output and receiver input is protected

against ±15kV electrostatic discharge (ESD) shocks,

without latchup. The various combinations of features

are outlined in the

Selection Guide.

The drivers and

receivers for all ten devices meet all EIA/TIA-232E and

CCITT V.28 specifications at data rates up to 120kbps,

when loaded in accordance with the EIA/TIA-232E

specification.

The MAX211E/MAX213E/MAX241E are available in 28-

pin SO packages, as well as a 28-pin SSOP that uses

60% less board space. The MAX202E/MAX232E come

in 16-pin narrow SO, wide SO, and DIP packages. The

MAX203E comes in a 20-pin DIP/SO package, and

needs no external charge-pump capacitors. The

MAX205E comes in a 24-pin wide DIP package, and

also eliminates external charge-pump capacitors. The

MAX206E/MAX207E/MAX208E come in 24-pin SO,

SSOP, and narrow DIP packages. The MAX232E/

MAX241E operate with four 1µF capacitors, while the

MAX202E/MAX206E/MAX207E/MAX208E/MAX211E/

MAX213E operate with four 0.1µF capacitors, further

reducing cost and board space.

________________________Applications

Notebook, Subnotebook, and Palmtop Computers

Battery-Powered Equipment

Hand-Held Equipment

____________________________Features

♦ ESD Protection for RS-232 I/O Pins:

±15kV—Human Body Model

±8kV—IEC1000-4-2, Contact Discharge

±15kV—IEC1000-4-2, Air-Gap Discharge

♦ Latchup Free (unlike bipolar equivalents)

♦ Guaranteed 120kbps Data Rate—LapLink™

Compatible

♦ Guaranteed 3V/µs Min Slew Rate

♦ Operate from a Single +5V Power Supply

MAX202E–MAX213E, MAX232E/MAX241E

±15kV ESD-Protected, +5V RS-232 Transceivers

________________________________________________________________

Maxim Integrated Products

GND

T1OUT

R1IN

C2+

C1-

V+

C1+

TOP VIEW

MAX202E

MAX232E

R1OUT

T1IN

T2IN

R2OUT

R2IN

T2OUT

V-

C2-

DIP/SO

_________________Pin Configurations

_____________________________________________________________Selection Guide

19-0175; Rev 3; 5/96

LapLink is a registered trademark of Traveling Software, Inc.

Pin Configurations and Typical Operating Circuits continued at

end of data sheet.

Ordering Information appears at end of data sheet.

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

Yes

PART

No. of RS-232

DRIVERS

No. of RS-232

RECEIVERS

ACTIVE IN

SHUTDOWN

No. of

EXTERNAL

CAPACITORS

LOW-POWER

SHUTDOWN

TTL THREE-

STATE

MAX202E

2 2 0 4 (0.1µF) No No

MAX203E

2 2 0 None No No

MAX205E

5 5 0 None Yes Yes

MAX206E

4 3 0 4 (0.1µF) Yes Yes

MAX207E

5 3 0 4 (0.1µF) No No

MAX208E

4 4 0 4 (0.1µF) No No

MAX211E

4 5 0 4 (0.1µF) Yes Yes

MAX213E

4 5 2 4 (0.1µF) Yes Yes

MAX232E

2 2 0 4 (1µF) No No

MAX241E

4 5 0 4 (1µF) Yes

1 2 ... 35 36 37 38 39 40 41 42 43 44 45 ... 71 72

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Akai CT-S21MTD-E3 Service Manual Page 40

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