Texas Instruments MSP430G2xx series 16-bit MCU, MSP430G2744IDA38R, 16MHz, 32KB Flash, 1K x 8 RAM, 38-TSSOP, -40°C~85°C, 1.8V~3.6V, 32 I/O, 12x10b ADC, I²C/SPI/UART.
| Parameter | Value |
|---|---|
| Series | MSP430G2xx |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.8V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 16MHz |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| RAM size | 1K x 8 |
| Core size | 16-Bit |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| Connectivity | I²C, IrDA, LINbus, SCI, SPI, UART/USART |
| Number of i (O) | 32 |
| Core processor | MSP430 CPU16 |
| Case | 38-TSSOP (0.240\", 6.10mm Width) |
| Data converters | A/D 12x10b |
| Program memory size | 32KB (32K x 8) |
Housed in a 38-TSSOP package (6.10 mm width), this is a surface-mount part that routes cleanly on two-layer boards. The 32 I/O lines give enough headroom for a keypad, a small LCD segment driver, and a handful of sensor interrupts without needing an external port expander.
That means no last-time-buy scramble, no forced redesign for the next few years.
Both are 16-bit MSP430G2xx MCUs, but the G2744 offers 32 KB Flash and 1 KB RAM versus the G2553's 16 KB Flash and 512 B RAM. Pin compatibility depends on the package variant — check the respective datasheets for the 38-TSSOP footprint. The G2744 is a step up in memory if your firmware outgrows the G2553.
Yes, the part is RoHS compliant per TI's standard lead-free plating for this series.