MAX232AMLP datasheet(11/36 Pages) MAXIM

部件名	MAX232AMLP

功能描述	5V-Powered, Multichannel RS-232 Drivers/Receivers

PDF	36 Pages

Scroll/Zoom	100%

制造商	MAXIM [Maxim Integrated Products]

网页	https://www.maximintegrated.com/en.html

标志

11 / 36 page

+5V-Powered, Multichannel RS-232

Drivers/Receivers

______________________________________________________________________________________

INPUT

OUTPUT

+3V

V+

V-

tPLHT

tPHLT

tPHLR

tPHLS

tPLHR

tPLHS

50%

VCC

50%

+3V

50%

INPUT

OUTPUT

*EXCEPT FOR R2 ON THE MAX243

WHERE -3V IS USED.

0V*

50%

GND

Figure 1. Transmitter Propagation-Delay Timing

Figure 2. Receiver Propagation-Delay Timing

RX IN

a) TEST CIRCUIT

b) ENABLE TIMING

c) DISABLE TIMING

EN INPUT

RECEIVER

OUTPUTS

RX OUT

Ω

+3V

+0.8V

+3.5V

OUTPUT ENABLE TIME (tER)

VCC - 2V

VOL + 0.5V

VOH - 0.5V

OUTPUT DISABLE TIME (tDR)

VCC - 2V

+3V

150pF

EN INPUT

VOH

RECEIVER

OUTPUTS

VOL

1 OR 0

Ω

50pF

-5V

+5V

OUTPUT DISABLE TIME (tDT)

V+

SHDN

+3V

V-

a) TIMING DIAGRAM

b) TEST CIRCUIT

Figure 3. Receiver-Output Enable and Disable Timing

Figure 4. Transmitter-Output Disable Timing

MAX232AMLP 数据表(PDF) 11 Page - Maxim Integrated Products

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