| PartNumber | ISL4221EIRZ | ISL4221EIR | ISL4221EIR-T |
| Description | RS-232 Interface IC 3V RS-232 1TX/1RX -4 0+85 TRANS 16LD 5X5 | IC TXRX RS232 2.7-5.5V ESD 16QFN | IC TXRX 1TX/1RX 3V RS-232 16-QFN |
| Manufacturer | Renesas Electronics | - | - |
| Product Category | RS-232 Interface IC | - | - |
| RoHS | Y | - | - |
| Mounting Style | SMD/SMT | - | - |
| Package / Case | QFN EP | - | - |
| Series | ISL4221E | - | - |
| Function | Transceiver | - | - |
| Data Rate | 500 kb/s | - | - |
| Number of Drivers | 1 Driver | - | - |
| Number of Receivers | 1 Receiver | - | - |
| Supply Voltage Max | 5.5 V | - | - |
| Supply Voltage Min | 2.7 V | - | - |
| Operating Supply Current | 1 mA | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Height | 0.95 mm (Max) | - | - |
| Length | 5 mm | - | - |
| Output Type | Single-Ended | - | - |
| Product | RS-232 Transceivers | - | - |
| Supply Type | Single Supply | - | - |
| Width | 5 mm | - | - |
| Brand | Renesas / Intersil | - | - |
| Number of Transceivers | 1 Transceiver | - | - |
| Operating Supply Voltage | 3.3 V, 5 V | - | - |
| Product Type | RS-232 Interface IC | - | - |
| Protocol Supported | RS-232 | - | - |
| Receiver Signal Type | Single-Ended | - | - |
| Factory Pack Quantity | 60 | - | - |
| Subcategory | Interface ICs | - | - |
| Unit Weight | 0.002399 oz | - | - |