| PartNumber | SN75C3221PW | SN75C3221PWE4 | SN75C3221PWG4 |
| Description | RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr | RS-232 Interface IC 3-5.5V Multichannel Line Drvr/Rcvr | RS-232 Interface IC 3V To 5.5V Multi Ch RS232 Drivr Receiver |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | RS-232 Interface IC | RS-232 Interface IC | RS-232 Interface IC |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-16 | TSSOP-16 | TSSOP-16 |
| Series | SN75C3221 | SN75C3221 | SN75C3221 |
| Function | Transceiver | Transceiver | - |
| Data Rate | 1000 kb/s | 1000 kb/s | 1000 kb/s |
| Number of Drivers | 1 Driver | 1 Driver | 1 Driver |
| Number of Receivers | 1 Receiver | 1 Receiver | 1 Receiver |
| Duplex | Full Duplex | - | - |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Supply Voltage Min | 3 V | 3 V | 3 V |
| Operating Supply Current | 1 mA | 1 mA | 1 mA |
| Minimum Operating Temperature | 0 C | 0 C | 0 C |
| Maximum Operating Temperature | + 70 C | + 70 C | + 70 C |
| Packaging | Tube | Tube | Tube |
| Height | 1 mm | 1 mm | - |
| Length | 5 mm | 5 mm | - |
| Product | RS-232 Transceivers | RS-232 Transceivers | - |
| Supply Type | Single Supply | Single Supply | - |
| Width | 4.4 mm | 4.4 mm | - |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Shutdown | With Shutdown | With Shutdown | With Shutdown |
| Operating Supply Voltage | 3.3 V, 5 V | 3.3 V, 5 V | 3.3 V, 5 V |
| Product Type | RS-232 Interface IC | RS-232 Interface IC | RS-232 Interface IC |
| Factory Pack Quantity | 90 | 90 | 90 |
| Subcategory | Interface ICs | Interface ICs | Interface ICs |
| Unit Weight | 0.002183 oz | 0.002183 oz | 0.002183 oz |
| Output Type | - | Single-Ended | - |
| Number of Transceivers | - | 1 Transceiver | - |
| Protocol Supported | - | RS-232 | - |
| Receiver Signal Type | - | Single-Ended | - |