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MAX232 Datasheet(PDF) 32 Page - Maxim Integrated Products |
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MAX232 Datasheet(HTML) 32 Page - Maxim Integrated Products |
32 / 36 page +5V-Powered, Multichannel RS-232 Drivers/Receivers 32 ______________________________________________________________________________________ 400k Ω VCC 400k Ω GND +5V +5V +5V +5V +5V 1 40 16 1 µF 2 18 4 5k Ω 5k Ω 5k Ω 5k Ω 5k Ω 5k Ω 5k Ω 5k Ω ENTA TA1OUT TA1IN TA3OUT TA3IN 6RB5OUT 12 RA1IN 10 RA1OUT 13 RA2IN 9RA2OUT 14 RA3IN 8RA3OUT 15 RA4IN 7 20 RA4OUT 11 39 24 38 22 36 29 31 28 32 27 33 26 34 30 ENRA ENTB TB1OUT TB1IN TB3OUT TB3IN RB1IN 5k Ω 25 RB5IN RB1OUT RB2IN RB2OUT RB3IN RB3OUT RB4IN RB4OUT ENRB 400k Ω +5V 17 3 TA2OUT TA2IN +5V 23 37 TB2OUT TB2IN 400k Ω +5V 19 5 TA4OUT TA4IN +5V 21 35 TB4OUT TB4IN 40 VCC ENTB TB1IN TB2IN TB3IN TB4IN RB4OUT RB3OUT RB2OUT RB1OUT RB1IN RB2IN RB3IN RB4IN RB5IN TB1OUT TB2OUT TB3OUT TB4OUT 39 38 37 36 35 34 33 32 31 1 2 3 4 5 6 7 8 9 10 ENTA TA1IN TA2IN TA3IN TA4IN RB5OUT RA4OUT RA3OUT RA2OUT RA1OUT RA1IN RA2IN RA3IN RA4IN TA1OUT TA2OUT TA3OUT TA4OUT GND TOP VIEW MAX247 30 29 28 27 26 25 24 23 22 21 11 12 13 14 15 16 17 18 19 DIP 20 ENRA ENRB MAX247 FUNCTIONAL DESCRIPTION 9 RECEIVERS 4 A-SIDE RECEIVERS 5 B-SIDE RECEIVERS (RB5 ALWAYS ACTIVE) 8 TRANSMITTERS 4 A-SIDE TRANSMITTERS 4 B-SIDE TRANSMITTERS 4 CONTROL PINS ENABLE RECEIVER A-SIDE (ENRA) ENABLE RECEIVER B-SIDE (ENRB) ENABLE RECEIVER A-SIDE (ENTA) ENABLE RECEIVERr B-SIDE (ENTB) Figure 23. MAX247 Pin Configuration and Typical Operating Circuit |
Número de pieza similar - MAX232 |
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Descripción similar - MAX232 |
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