| PartNumber | MICRF220AYQS | MICRF220AYQS-TR | MICRF221AYQS |
| Description | RF Receiver 300MHz to 450MHz, 3.0V to 3.6V, 6mA, <10kbps ASK Receiver with RSSI and Shutdown | RF Receiver 300MHz to 450MHz, 3.0V to 3.6V, 6mA, <10kbps ASK Receiver with RSSI and Shutdown | RF Receiver 850MHz to 950MHz, 3.0V to 3.6V, 9mA, 10kbps ASK Recdeiver with Auto-Poll and RSS |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | RF Receiver | RF Receiver | RF Receiver |
| RoHS | Y | Y | Y |
| Type | RF Receiver | - | Receiver |
| Operating Frequency | 300 MHz to 450 MHz | - | 850 MHz to 950 MHz |
| Maximum Operating Temperature | + 105 C | - | + 105 C |
| Minimum Operating Temperature | - 40 C | - | - 40 C |
| Package / Case | QSOP-16 | QSOP-16 | QSOP-16 |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Packaging | Tube | Reel | Tube |
| Bandwidth | 330 kHz | - | 380 kHz |
| Series | MICRF220 | - | MICRF221 |
| Brand | Microchip Technology / Micrel | Microchip Technology / Micrel | Microchip Technology / Micrel |
| Operating Supply Current | 4.3 mA | - | 9.5 mA |
| Product Type | RF Receiver | RF Receiver | RF Receiver |
| Factory Pack Quantity | 98 | 2500 | 98 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Supply Voltage Max | 3.6 V | - | 3.6 V |
| Supply Voltage Min | 3 V | - | 3 V |
| Unit Weight | 0.010159 oz | 0.010159 oz | 0.010159 oz |
| Part # Aliases | - | MICRF220AYQS TR | - |