| PartNumber | MSP430F1121IPW | MSP430F1121IDWR | MSP430F1121IDW |
| Description | 16-bit Microcontrollers - MCU 16BUltraLoMcrcntrllr 4kB Flash 256BRAM | 16-bit Microcontrollers - MCU 16B Ultra-Lo-Pwr MCU 4kB FL 256B RAM Comp | 16-bit Microcontrollers - MCU 16B Ultra-Lo-Pwr Microcontroller |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | TSSOP-20 | SOIC-20 | SOIC-20 |
| Series | MSP430F1121 | MSP430F1121 | MSP430F1121 |
| Core | MSP430 | MSP430 | MSP430 |
| Data Bus Width | 16 bit | 16 bit | 16 bit |
| Maximum Clock Frequency | 8 MHz | 8 MHz | 8 MHz |
| Program Memory Size | 4 kB | 4 kB | 4 kB |
| Data RAM Size | 256 B | 256 B | 256 B |
| ADC Resolution | No ADC | No ADC | No ADC |
| Number of I/Os | 14 I/O | 14 I/O | 14 I/O |
| Operating Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Reel | Tube |
| Height | 1.15 mm | 2.35 mm | 2.35 mm |
| Length | 6.5 mm | 12.8 mm | 12.8 mm |
| Program Memory Type | Flash | Flash | Flash |
| Width | 4.4 mm | 7.52 mm | 7.52 mm |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments |
| Interface Type | JTAG, UART | JTAG, UART | JTAG, UART |
| Number of Timers/Counters | 1 Timer | 1 Timer | 1 Timer |
| Processor Series | 1 Series | 1 Series | 1 Series |
| Product Type | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU | 16-bit Microcontrollers - MCU |
| Factory Pack Quantity | 70 | 2000 | 25 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | MSP430 | MSP430 | MSP430 |
| Unit Weight | 0.002716 oz | 0.017662 oz | 0.017662 oz |