| Part Number | MKW21Z256VHT4 | MKW31Z256VHT4 |
|---|---|---|
| Manufacturer | Freescale Semiconductor | NXP USA Inc. |
| Category | RF Transceiver ICs | RF Transceiver ICs |
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| Product Status | Active | Active |
| Type | TxRx + MCU | TxRx + MCU |
| RF Family/Standard | 802.15.4 | Bluetooth |
| Protocol | Zigbee® | Bluetooth v4.2 |
| Modulation | FSK, GFSK, MSK, O-QPSK | FSK, GFSK, MSK, O-QPSK |
| Frequency | 2.4GHz | 2.4GHz |
| Data Rate (Max) | - | 1Mbps |
| Power - Output | 4dBm | 3.5dBm |
| Sensitivity | -102dBm | -95dBm |
| Memory Size | 256kB Flash, 64kB RAM | 256kB Flash, 64kB RAM |
| Serial Interfaces | ADC, GPIO, I²C, SPI, UART | I²C, SPI, UART |
| GPIO | - | - |
| Voltage - Supply | 1.71V ~ 3.6V | 1.71V ~ 3.6V |
| Current - Receiving | 6.2mA | 6.2mA |
| Current - Transmitting | 6mA | 6mA |
| Operating Temperature | -40°C ~ 105°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 64-VFLGA | 64-VFLGA |
| Supplier Device Package | 64-VFLGA (7x7) | 64-VFLGA (7x7) |