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| Part Number | SN75185DW | SN75185DWR | SN75186DW | SN75185PW | SN75185DB | 
|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | 
| Product Status | Active | Active | Discontinued at Digi-Key | Obsolete | Active | 
| Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver | 
| Protocol | RS232 | RS232 | RS232 | RS232 | RS232 | 
| Number of Drivers/Receivers | 3/5 | 3/5 | 4/4 | 3/5 | 3/5 | 
| Duplex | - | - | Half | - | - | 
| Receiver Hysteresis | 500 mV | 500 mV | 1 V | 500 mV | 500 mV | 
| Data Rate | - | - | - | - | - | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 10.8V ~ 13.2V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | 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 | 
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 24-SOIC (0.295", 7.50mm Width) | 20-TSSOP (0.173", 4.40mm Width) | 20-SSOP (0.209", 5.30mm Width) | 
| Supplier Device Package | 20-SOIC | 20-SOIC | 24-SOIC | 20-TSSOP | 20-SSOP |