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MAX232-ACWE Datasheet(PDF) 11 Page - Maxim Integrated Products |
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MAX232-ACWE Datasheet(HTML) 11 Page - Maxim Integrated Products |
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11 / 38 page  +5V-Powered, Multichannel RS-232 Drivers/Receivers INPUT OUTPUT +3V V+ 0V V- 0V 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 EN RX IN a) TEST CIRCUIT b) ENABLE TIMING c) DISABLE TIMING EN INPUT RECEIVER OUTPUTS RX OUT RX 1k Ω 0V +3V EN EN +0.8V +3.5V OUTPUT ENABLE TIME (tER) VCC - 2V VOL + 0.5V VOH - 0.5V OUTPUT DISABLE TIME (tDR) VCC - 2V +3V 0V 150pF EN INPUT VOH RECEIVER OUTPUTS VOL 1 OR 0 TX 3k Ω 50pF -5V +5V OUTPUT DISABLE TIME (tDT) V+ SHDN +3V 0V V- 0V a) TIMING DIAGRAM b) TEST CIRCUIT Figure 3. Receiver-Output Enable and Disable Timing Figure 4. Transmitter-Output Disable Timing Test Circuits/Timing Diagrams Maxim Integrated 11 MAX220–MAX249 MAX220–MAX249 |
Similar Part No. - MAX232-ACWE |
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Similar Description - MAX232-ACWE |
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