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| Part Number | SN75ALS191DR | SN75ALS193DR | SN75ALS192DR | SN75ALS197DR | SN75ALS194DR | SN75ALS199DR | SN75ALS191D |
|---|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active | Active |
| Type | Driver | Receiver | Driver | Receiver | Driver | Receiver | Driver |
| Protocol | RS422, RS485 | RS422, RS423 | RS422, RS485 | - | RS422, RS485 | - | RS422, RS485 |
| Number of Drivers/Receivers | 2/0 | 0/4 | 4/0 | 0/4 | 4/0 | 0/4 | 2/0 |
| Duplex | - | - | - | - | - | - | - |
| Receiver Hysteresis | - | 120 mV | - | 120 mV | - | 120 mV | - |
| Data Rate | - | - | - | - | - | - | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC | 8-SOIC |
