DS232 데이터 시트보기 (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS232

Dual RS-232 Transmitter/Receiver

Dallas Semiconductor -> Maxim Integrated 

ABSOLUTE MAXIMUM RATINGS*

Absolute Maximum Ratings

VCC

-0.3V to +7.0V

V+

(VCC-0.3V) to +14V

V-

+0.3V to -14V

DS232A

Input Voltages

TIN

RIN

Output Voltages

TOUT

ROUT

Short Circuit Duration, TOUT

-0.3V to (VCC+0.3V)

±30V

(V+ + 0.3V) to (V- - 0.3V)

-0.3V to (VCC+ 0.3V)

Continuous

* This is a stress rating only and functional operation of the device at these or any other conditions

above those indicated in the operation sections of this specification is not implied. Exposure to

absolute maximum rating conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

PARAMETER

SYMBOL MIN TYP

Operating Supply Voltage

VCC

4.5

(0°C to 70°C)

MAX UNITS NOTES

5.5

V

1

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

Power Supply Current (No Load)

ICC1

Power Supply Current (3 kΩ Load All

ICC2

Outputs)

RS-232 Transmitters

Output Voltage Swing

VORS

Input Logic Threshold Low

VTTL

Input Logic Threshold High

VTTH

Maximum Data Rate

fD

Logic Pullup/Input Current

Transmitter Output Resistance

Output Short-Circuit Current

IPU

ROUT

ITSC

MIN

±5

0.8

250

300

±15

(0°C to 70°C)

TYP MAX UNITS NOTES

4

10 mA

15

mA

±8

V

2

1.4

V

1.4

2.0

V

350

k bits/s

5

40

µA

10M

Ω

3

±30 ±100 mA

4

4 of 10

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