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ic232TTL

The ic232TTL converts RS-232 to TTL/CMOS compatible level. Two channels are used to convert from RS-232 to 0/+5 VDC signals, and two channels are used to convert from 0/+5 VDC signals to RS-232.

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Features

  • The ic232TTL converts RS-232 to TTL/CMOS compatible level.
  • This converter supports TD, RD, RTS, and CTS. The RS-232 side is a DB9 female connector.
  • The maximum source current for one TTL/CMOS is 1 mA. Signal levels are inverted by the converter

Overview

The ic232TTL converts RS-232 to TTL/CMOS compatible level. Two channels are used to convert from RS-232 to 0/+5 VDC signals, and two channels are used to convert from 0/+5 VDC signals to RS-232. This converter supports TD, RD, RTS, and CTS. The RS-232 side is a DB9 female connector. The TTL/CMOS side is a DB9 male connector. This unit is powered from the RS-232 data and handshake lines whether the lines are high or low.
This unit may work at baud rates up to 128 kbps and is powered by the signals on pins 7(RTS), 4(DTR), and 3(TD) of the RS-232 interface. The handshaking lines may be in either a high or low condition, but must be present to power the converter.
It is important that TTL/CMOS logic, and only TTL/CMOS logic (0 to +5 VDC) be used for the TTL/CMOS side of the converter. The maximum sinking current for one TTL/CMOS output is 3.2 mA. The maximum source current for one TTL/CMOS is 1 mA. Signal levels are inverted by the converter.

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ic232TTL

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