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| Part Number | ISL4221EIR | ISL4221EIRZ | ISL4223EIR | ISL4241EIR |
|---|---|---|---|---|
| Manufacturer | Intersil | Renesas Electronics America Inc | Intersil | Renesas Electronics America Inc |
| Product Status | Obsolete | Active | Obsolete | Obsolete |
| Type | Transceiver | Transceiver | Transceiver | Transceiver |
| Protocol | RS232 | RS232 | RS232 | RS232 |
| Number of Drivers/Receivers | 1/1 | 1/1 | 2/2 | 3/5 |
| Duplex | Full | Full | Full | Full |
| Receiver Hysteresis | 500 mV | 500 mV | 500 mV | 500 mV |
| Data Rate | 250kbps | 250kbps | 250kbps | 250kbps |
| Voltage - Supply | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V | 2.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 16-VQFN Exposed Pad | 16-VQFN Exposed Pad | 20-VQFN Exposed Pad | 32-VFQFN Exposed Pad |
| Supplier Device Package | 16-QFN (5x5) | 16-QFN (5x5) | 20-QFN (5x5) | 32-QFN (5x5) |
