| PartNumber | SN75C3221DBR | SN75C3221DBRG4 | SN75C3221EDB |
| Description | RS-232 Interface IC 3-5.5V RS232 | RS-232 Interface IC 3V To 5.5V Sngl Ch RS232 1MB Drivr | RS-232 Interface IC RS-232 1 Mbit/s Line Driver/Receive |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | RS-232 Interface IC | RS-232 Interface IC | Interface - Drivers, Receivers, Transceivers |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SSOP-16 | SSOP-16 | - |
| Series | SN75C3221 | SN75C3221 | SN75C3221E |
| Function | Transceiver | - | Transceiver |
| Data Rate | 1000 kb/s | 1000 kb/s | 1Mbps |
| Number of Drivers | 1 Driver | 1 Driver | 1 Driver |
| Number of Receivers | 1 Receiver | 1 Receiver | 1 Receiver |
| Duplex | Full Duplex | - | Full |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Supply Voltage Min | 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 | Reel | Reel | Tube Alternate Packaging |
| Height | 1.95 mm | - | - |
| Length | 6.2 mm | - | - |
| Product | RS-232 Transceivers | - | RS-232 Transceivers |
| Supply Type | Single Supply | - | - |
| Width | 5.3 mm | - | - |
| Brand | 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 | - |
| Factory Pack Quantity | 2000 | 2000 | - |
| Subcategory | Interface ICs | Interface ICs | - |
| Unit Weight | 0.004536 oz | 0.004536 oz | 0.004536 oz |
| Type | - | - | Transceiver |
| Package Case | - | - | SSOP-16 |
| Operating Temperature | - | - | 0°C ~ 70°C |
| Mounting Type | - | - | Surface Mount |
| Voltage Supply | - | - | 3 V ~ 5.5 V |
| Supplier Device Package | - | - | 16-SSOP |
| Protocol | - | - | RS232 |
| Number of Drivers Receivers | - | - | 2016/1/1 |
| Receiver Hysteresis | - | - | 500mV |
| Supply Voltage Max | - | - | 5.5 V |
| Supply Voltage Min | - | - | 3 V |
| Propagation Delay Time | - | - | 0.15 us |