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| Part Number | SN75C185N | SN75C188N | SN75C189N |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active |
| Type | Transceiver | Driver | Receiver |
| Protocol | RS232 | RS232 | RS232 |
| Number of Drivers/Receivers | 3/5 | 4/0 | 0/4 |
| Duplex | Full | - | - |
| Receiver Hysteresis | 1.1 V | - | 330 mV |
| Data Rate | - | - | - |
| Voltage - Supply | 4.5V ~ 13.2V | ±4.5V ~ 15V | 4.5V ~ 6V |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-PDIP | 14-PDIP | 14-PDIP |
