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| Part Number | SN75C189N | SN75C189NS | SN75C185N | SN75C188N | SN75C189AN | SN75C189D |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Active | Active | Active | Active | Active | Active |
| Type | Receiver | - | Transceiver | Driver | Receiver | Receiver |
| Protocol | RS232 | - | RS232 | RS232 | RS232 | RS232 |
| Number of Drivers/Receivers | 0/4 | - | 3/5 | 4/0 | 0/4 | 0/4 |
| Duplex | - | - | Full | - | - | - |
| Receiver Hysteresis | 330 mV | - | 1.1 V | - | 970 mV | 330 mV |
| Data Rate | - | - | - | - | - | - |
| Voltage - Supply | 4.5V ~ 6V | - | 4.5V ~ 13.2V | ±4.5V ~ 15V | 4.5V ~ 6V | 4.5V ~ 6V |
| Operating Temperature | 0°C ~ 70°C | - | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Through Hole | - | Through Hole | Through Hole | Through Hole | Surface Mount |
| Package / Case | 14-DIP (0.300", 7.62mm) | - | 20-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-PDIP | - | 20-PDIP | 14-PDIP | 14-PDIP | 14-SOIC |
