UPSD3454E-40U6 representative package visual — not an exact-product photograph

Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image

Exact MPN20 sourced attributes2 source documents

STMicroelectronics · exact orderable part

UPSD3454E-40U6

IC MCU 8BIT 288KB FLASH 80LQFP

Core Processor: 8032
Speed: 40MHz
Program Memory Size: 288KB (288K x 8)
RAM Size: 32K x 8
Voltage - Supply (Vcc/Vdd): 3V ~ 5.5V
Package / Case: 80-LQFP

Original manufacturerCommercial terms confirmed per lot

ManufacturerSTMicroelectronics

Package / case80-LQFP

Mounting typeSurface Mount

PackingTray

Technical parameters

Technical specifications

20 normalized values · 2 validated sources

Report a data issue

UPSD3454E-40U6 technical parameters
Parameter	Value
Base Product Number	UPSD34 [2]
Connectivity	I²C, IrDA, SPI, UART/USART, USB [2]
Core Processor	8032 [2]
Core Size	8-Bit [2]
Data Converters	A/D 8x10b [2]
DigiKey Programmable	Not Verified [2]
Mfr	STMicroelectronics [2]
Mounting Type	Surface Mount [2]
Number of I/O	46 [2]
Operating Temperature	-40°C ~ 85°C (TA) [2]
Oscillator Type	Internal [2]
Peripherals	LVD, POR, PWM, WDT [2]
Product Status	Obsolete [2]
Program Memory Size	288KB (288K x 8) [2]
Program Memory Type	FLASH [2]
RAM Size	32K x 8 [2]
Series	µPSD [2]
Speed	40MHz [2]
Voltage - Supply (Vcc/Vdd)	3V ~ 5.5V [2]
Package / Case	80-LQFP [2]

Specification references[1]UPSD3454E-40U6 delivered document ↗[2]STMicroelectronics UPSD3454E-40U6 vendor product record ↗

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.

ManufacturerSTMicroelectronicsView brand page →CategoryMicrocontrollersView category page →

Related exact parts

Other published parts

Browse exact MPNs and compare their specifications. These links do not imply compatibility or interchangeability.