Lumissil Microsystems24-VFQFN Exposed PadRoHS
IS31CS8974-QFLS2-TR
MCU WITH 2KB SRAM AND 32KX16 ECC
Category
Subcategory
Embedded Microcontrollers
Package
24-VFQFN Exposed Pad
Status
Active
Datasheet
$1.62 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Lumissil Microsystems |
| Model | IS31CS8974-QFLS2-TR |
| Package / Case | 24-VFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | 8051 |
| Speed | 16MHz |
| Program Memory Size | 32KB (32K x 8) |
| RAM Size | 2K x 13 |
| Number of I/O | 20 |
| Voltage - Supply | 2.5V ~ 5.5V |
| Connectivity | I²C, LINbus, SPI, UART/USART |
| Peripherals | LVD, LVR, POR, PWM, WDT |
| Supplier Device Package | 24-QFN (4x4) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
IS31CS8974-QFLS2-TR by Lumissil Microsystems is a 8051 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 24-VFQFN Exposed Pad package fits automated SMT assembly. Operating temperature is -40°C ~ 85°C (TA) — verify your application environment. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
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All Technical Specifications
| Speed | 16MHz |
| RAM Size | 2K x 13 |
| Core Size | 8-Bit |
| Peripherals | LVD, LVR, POR, PWM, WDT |
| Connectivity | I²C, LINbus, SPI, UART/USART |
| Number of I/O | 20 |
| Core Processor | 8051 |
| Oscillator Type | External, Internal |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| Voltage - Supply (Vcc/Vdd) | 2.5V ~ 5.5V |
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