The SN65C3243 and SN75C3243 consist of three line drivers, five line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin (serial-port connection pins, including GND). This device provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-V to 5.5-V supply. In addition, this device includes an always-active noninverting output (ROUT2B), which allows applications using the ring indicator to transmit data while the device is powered down. The device operates at data signaling rates up to 1 Mbit/s and an increased slew-rate range of 24 V/µs to 150 V/µs.
| Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | SNx5C3243 3-V To 5.5-V Multichannel RS-232 Compatible Line Driver and Receiver datasheet (Rev. I) | PDF | HTML | Oct 31, 2022 |
| * | Errata | Datasheet Errata for SN65/75C3223 SN65/75C3232 SN65/75C3243 TRSF3223/3232/3243 | Nov 13, 2008 |
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| TSSOP (PW) | 28 | Ultra Librarian |
| SOIC (DW) | 28 | Ultra Librarian |
| SSOP (DB) | 28 | Ultra Librarian |
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