8-bit MCU, 256KB Flash, 40MHz, LQFP, I2C, SPI, UART Product overview: UPSD3334DV-40U6 from STMicroelectronics is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 256KB, 40MHz. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 256KB, 40MHz, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-UPSD3334DV-40U6 can be used for catalog matching and distributor lookup.
IC MCU 8BIT 288KB FLASH 80LQFP
Manufacturer: STMicroelectronics
Win Source Part Number: 1278103-UPSD3334DV-4
Series: μPSD
Packaging: Tray
Operating Temperature Range: -40°C ~ 85°C (TA)
Core Processor: 8032
Speed: 40MHz
Package: 80-LQFP
Core Size: 8-Bit
Connectivity: I2C, IrDA, SPI, UART/USART
Peripherals: LVD, POR, PWM, WDT
Number of I/O: 45
Program Memory Size: 288KB (288K x 8)
Program Memory Type: FLASH
RAM Size: 8K x 8
Data Converters: A/D 8x10b
Oscillator Type: Internal
Supply Voltage: 3 V ~ 3.6 V
Part Status: Obsolete(EOL)
Family Name: uPSD3334
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.st.com
Alternative Parts (Cross-Reference): UPD78F0148M3GK-9EU; uPD78F0546GK(A)-GAK-
Introduction Date: July 01, 2003
ECCN: 3A991.a.2
Popularity: Medium
Fake Threat In the Open Market: 48 pct.
Supply and Demand Status: Balance
8032 µPSD Microcontroller IC 8-Bit 40MHz 288KB (288K x 8) FLASH
IC MCU 8BIT 288KB FLASH 80LQFP
8032 µPSD Microcontroller IC 8-Bit 40MHz 288KB (288K x 8) FLASH
IC MCU 8BIT 288KB FLASH 80LQFP
| ERSAELECTRONICS PTE. LTD. | ODG (Origin Data Global) | Win Source Electronics | DigiKey | Lingto Electronic Limited | Quarktwin Technology Ltd. | Utmel Electronic Limited | |
|---|---|---|---|---|---|---|---|
| Product Category | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) | Microcontrollers (MCU) |
| Product Number | 685-UPSD3334DV-40U6 | UPSD3334DV-40U6 | 1278103-UPSD3334DV-40U6 | 497-4897-ND | UPSD3334DV-40U6 | UPSD3334DV-40U6 | 761-UPSD3334DV-40U6 |
| Product Name | 8-bit 256KB 40MHz Embedded Microcontroller MCU | Microcontrollers | Embedded - Embedded - Microcontrollers - UPSD3334DV-40U6 | Microcontrollers | Embedded - Microcontrollers | Microcontrollers | IC MCU 8BIT 288KB FLASH 80LQFP |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8-Bit | 8 Bit; 8-Bit | 8 Bit |
| RAM | 8 KB | 8 KB | 288 KB | 8 KB | 8 KB | 8 KB | |
| Supply Voltage | 3 to 3.6 volts | 3 to 3.6 volts | 3 to 3.6 volts | 3 to 3.6 volts | 3.3 volts | ||
| Serial Interface | I2C, SPI, IrDA, UART, USART | SPI; UART; USART | I²C; SPI; UART; USART; I2C, IrDA, SPI, UART, USART | ||||
| Package Type | Other; LQFP | QFP; Other; 80-LQFP | LFQP; Other; 80-LQFP | QFP; Other; 80-LQFP | QFP; Other; 80-LQFP |