 | UM202EEPE | High ESD-Protected, Fail-Safe, Single Supply RS232 Transceivers | Active | 2 | 2 | 3.3 | 15 | No | 250 | 5 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/DIP | |  |
| UM202EESE | High ESD-Protected, Fail-Safe, Single Supply RS232 Transceivers | Active | 2 | 2 | 3.3 | 15 | No | 250 | 5 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/SOP | Y | |
| UM202EEUE | High ESD-Protected, Fail-Safe, Single Supply RS232 Transceivers | Active | 2 | 2 | 3.3 | 15 | No | 250 | 5 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/TSSOP | | |
| UM207EEAO | Low Power, High ESD +5V RS-232 Transceivers | Active | 5 | 3 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/SSOP | | |
| UM207EEAOR | Low Power, High ESD +5V RS-232 Transceivers | Active | 5 | 3 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/SSOP | | |
| UM207EESO | Low Power, High ESD +5V RS-232 Transceivers | Active | 5 | 3 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/SOP | | |
| UM207EEUO | Low Power, High ESD +5V RS-232 Transceivers | Active | 5 | 3 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/TSSOP | | |
| UM208EEAO | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 4 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/SSOP | | |
| UM208EEAOR | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 4 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/SSOP | | |
| UM208EESO | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 4 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/SOP | | |
| UM208EEUO | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 4 | 3.3 | 1 | No | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 24/TSSOP | | |
| UM211EEAS | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/SSOP | | |
| UM211EEASR | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/SSOP | | |
| UM211EESS | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/SOP | | |
| UM211EEUS | Low Power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/TSSOP | | |
| UM213EEAS | Low power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/SSOP | Y | |
| UM213EEASR | Low power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/SSOP | Y | |
| UM213EESS | Low power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/SOP | Y | |
| UM213EEUS | Low power, High ESD +5V RS-232 Transceivers | Active | 4 | 5 | 3.3 | 1 | Yes | 250 | 5 | ±15 | ±8 | ±15 | -40 ~ +85 | 28/TSSOP | Y | |
| UM232EEPE | High ESD-Protected, Single Supply RS232 Transceivers | Active | 2 | 2 | 3.3 | 15 | No | 250 | 5 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/DIP | | |
| UM232EESE | High ESD-Protected, Single Supply RS232 Transceivers | Active | 2 | 2 | 3.3 | 15 | No | 250 | 5 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/SOP | Y | |
| UM232EEUE | High ESD-Protected, Single Supply RS232 Transceivers | Active | 2 | 2 | 3.3 | 15 | No | 250 | 5 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/TSSOP | | |
| UM3122EEQA | 1.8V Low Power Dual RS-232 Transceiver Support 1.65V to 5V IO | Active | 2 | 2 | 1.65 | 1 | Yes | 1000 | 1.8 | ±8 | ±8 | ±15 | -40 ~ +85 | 24/QFN 4.0×4.0 | Y | |
| UM3221EEAE | 3V to 5.5V, 1μA Low Power Shutdown Current, 1 TX 1 RX RS232 Transceivers with IEC ESD Protection | Active | 1 | 1 | 2.5 | 1.5 | Yes | 250 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/SSOP | Y | |
| UM3221EEUE | 3V to 5.5V, 1μA Low Power Shutdown Current, 1 TX 1 RX RS232 Transceivers with IEC ESD Protection | Active | 1 | 1 | 2.5 | 1.5 | Yes | 250 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/TSSOP | | |
| UM3222EEUE | 3V to 5.5V, 1μA Low Power Shutdown Current, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.5 | 1.5 | Yes | 250 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 20/TSSOP | | |
| UM3232BEEAE | 3V to 5.5V, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.2 | 2.5 | No | 500 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/SSOP | Y | |
| UM3232BEESE | 3V to 5.5V, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.2 | 2.5 | No | 500 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/SOP | Y | |
| UM3232BEEUE | 3V to 5.5V, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.2 | 2.5 | No | 500 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/TSSOP | Y | |
| UM3232EEAE | 3V to 5.5V, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.5 | 1.5 | No | 250 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/SSOP | Y | |
| UM3232EEPE | 3V to 5.5V, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.5 | 1.5 | No | 250 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/DIP | | |
| UM3232EESE | 3V to 5.5V, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.5 | 1.5 | No | 250 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/SOP | Y | |
| UM3232EEUE | 3V to 5.5V, 2 TX 2 RX RS232 Transceivers with IEC ESD Protection | Active | 2 | 2 | 2.5 | 1.5 | No | 250 | 3.3 | ±8 | ±8 | ±15 | -40 ~ +85 | 16/TSSOP | Y | |
| UM3243EEAS | Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers | Active | 3 | 5 | 3 | 1 | Yes | 250 | 0 | ±15 (for RS-232 Pins); ±2 (for Other Pins) | ±8 | | -40 ~ +85 | 28/SSOP | Y | |
| UM3243EEASR | Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers | Active | 3 | 5 | 3 | 1 | Yes | 250 | 0 | ±15 (for RS-232 Pins); ±2 (for Other Pins) | ±8 | | -40 ~ +85 | 28/SSOP | Y | |
| UM3243EEQA | Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers | Active | 3 | 5 | 3 | 1 | Yes | 250 | 0 | ±15 (for RS-232 Pins); ±2 (for Other Pins) | ±8 | | -40 ~ +85 | 32/QFN 5.0×5.0 | Y | |
| UM3243EESS | Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers | Active | 3 | 5 | 3 | 1 | Yes | 250 | 0 | ±15 (for RS-232 Pins); ±2 (for Other Pins) | ±8 | | -40 ~ +85 | 28/SOP | | |
| UM3243EEUS | Low Supply Current, 3V to 5.5V, 250kbps, 3-Driver/5-Receiver, Enhanced ESD Protection Smart RS-232 Transceivers | Active | 3 | 5 | 3 | 1 | Yes | 250 | 0 | ±15 (for RS-232 Pins); ±2 (for Other Pins) | ±8 | | -40 ~ +85 | 28/TSSOP | Y | |
