MAX3243EIRHBR 3/5 Transceiver Full RS232 32-VQFN Surface Mount
DESCRIPTION
The MAX3243E device consists of three line drivers, five line
receivers, and a dual charge-pump circuit with±15-kV ESD (HBM and
IEC61000-4-2, Air-Gap Discharge) and ±8-kV ESD (IEC61000-4-2,
Contact Discharge)protection on serial-port connection pins. The
device meets the requirements of TIA/EIA-232-F and provides
theelectrical interface between an asynchronous communication
controller and the serial-port connector. Thiscombination of
drivers and receivers matches that needed for the typical serial
port used in an IBM PC/AT, orcompatible. The charge pump and four
small external capacitors allow operation from a single 3-V to
5.5-Vsupply. In addition, the device includes an always-active
noninverting output (ROUT2B), which allowsapplications using the
ring indicator to transmit data while the device is powered down.
The device operates atdata signaling rates up to 250 kbit/s and a
maximum of 30-V/µs driver output slew rate.
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 3/5 |
| Duplex | Full |
| Receiver Hysteresis | 500mV |
| Data Rate | 500kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
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