Texas Instruments MSP430F1121IDWR Microcontrollers
8MHz 16-Bit MCU, 4KB FLASH, 256B SRAM, 20-SOIC, Industrial
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
MSP430F1121IDWR
Series
Base Model
Detailed Description
8MHz 16-Bit MCU, 4KB FLASH, 256B SRAM, 20-SOIC, Industrial
Package
20-SOIC (0.295", 7.50mm Width)
Lifecycle Status
Not For New Designs
Datasheet
MSP430F1121IDWR Datasheet
Quick Jump:
Technical Specifications
Texas Instruments MSP430F1121IDWR Microcontrollers technical specifications.
General
RAM Size
256 x 8
RoHS
Yes
Package / Case
20-SOIC
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
1.8V ~ 3.6V
Lifecycle Status
Not For New Designs
Peripherals
POR, WDT
Number of I/O
14
Speed
8MHz
Alternate Parts Comparison (MSP430F1121IDWR vs MSP430F4250IDLR vs MSP430F2132IPWR vs MSP430F169IPMR)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Operating Temperature | -40°C ~ 85°C (TA) | -40 °C ~ 85 °C | -40 °C ~ 85 °C | -40°C ~ 85°C (TA) |
| Supply Voltage | 1.8V ~ 3.6V | 1.8 V ~ 3.6 V | 1.8 V ~ 3.6 V | 3.3 V |
| RAM Size | 256 x 8 | 256 B | 512 B | 2 kB |
| Oscillator Type | Internal | Internal | Internal | Internal |
| Peripherals | POR, WDT | Brown-out Detect/Reset, LCD, POR, PWM, WDT | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Memory Size | -- | 16 kB | 8 kB | 60 kB |
| Interface | -- | UART | I2C, IrDA, LIN, SCI, SPI, UART, USART | I2C, SCI, SPI, UART, USART |
| Data Bus Width | -- | 16 b | 16 b | 16 b |
| Number of Pins | -- | 48 | 28 | 64 |
| GPIO | -- | 32 | 24 | 48 |
| Lifecycle Status | Not For New Designs | Production | Production | Production |
| Core | -- | MSP430 | MSP430 | MSP430 |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
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More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
MSP430F2132IPWRTexas Instruments16 MHz MCU with 8KB Flash, 512B SRAM, 10-bit ADC, comparator, I2C/SPI/UART 28-TSSOP -40 to 85
MSP430F169IPMRTexas InstrumentsMCU 16-bit MSP430 RISC 60KB Flash 3.3V 64-Pin LQFP T/R / IC MCU 16BIT 60KB FLASH 64LQFP
MSP430F4250IDLRTexas Instruments16KB 1.8V~3.6V MSP430 8MHz 32 SSOP-48-300mil Microcontroller Units (MCUs/MPUs/SOCs) ROHS
