embedded-processors-controllers

STM8S003F3

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This is a datasheet for the STM8S003F3 and STM8S003K3, which are value-line 16-MHz 8-bit microcontrollers from STMicroelectronics. The document covers key specifications including an 8-Kbyte Flash memory, 128-byte EEPROM, and 1 Kbyte RAM. It details three timers (one advanced control, one general purpose, and one basic), multiple communication interfaces like UART, SPI up to 8 Mbit/s, and I2C up to 400 Kbit/s. Power management features include low-power modes and a watchdog timer. The chip operates on a supply voltage of 2.95 V to 5.5 V and offers up to 28 I/O pins across various package sizes.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current — 2 mA 2.35 mA fCPU = fMASTER = 16 MHz; HSE user ext. clock (16 MHz)
output current — — 20 mA
supply voltage range -300 mV — 6.5 V
operating temperature -40 °C — 85 °C Maximum power dissipation
clock frequency 0 Hz — 16 MHz
power dissipation — — 238 mW TSSOP20
cpu speed — 16 MHz —
program memory size — 8.19 kB —
ram size — 1.02 kB —
io count — 16 —
adc resolution — 10 bit —
core size — 8 bit —
rise time — — 25 ns Capacitive load: C = 30 pF
fall time — — 300 ns
data retention 20 year — — TRET = 55 °C
program erase cycles 100 cycle — — TA = 85 °C
load capacitance — — 20 pF
03 — Alternatives

Closest matches to STM8S003F3

STM8S105C4 2.0× higher program memory size, 2.0× higher ram size, 1.9× higher power dissipation
STM8S903F3 1.3× lower power dissipation, similar adc resolution, similar clock frequency
STM8L051F3P6 4.3× lower quiescent current, 1.7× lower supply voltage range, 1.3× lower power dissipation
STM8S001J3M3 4.9× lower power dissipation, 1.9× higher operating temperature, similar adc resolution
STM32L010F4P6 4.0× higher core size, 2.0× higher clock frequency, 2.0× higher cpu speed
PY32F002A 15.0× lower fall time, 4.0× higher core size, 3.0× higher ram size
MSP430F155IPM 5.0× higher data retention, 5.0× higher load capacitance, 2.0× higher core size
MSP430G2553IPW28R 20.0× lower load capacitance, 20.0× lower output current, 5.0× higher data retention
04 — FAQ

Frequently asked questions

What is the ADC resolution of the STM8S003F3?

The ADC resolution is 10 bit.

What is the maximum clock frequency of the STM8S003F3?

The maximum clock frequency is 16 MHz.

What is the core size of the STM8S003F3?

The core size is 8 bit.

What is the maximum CPU speed of the STM8S003F3?

The maximum CPU speed is 16 MHz.

What is the data retention time at TRET = 55 °C?

The data retention is 20 year at TRET = 55 °C.

What is the fall time?

The fall time is 300 ns.

How many I/O pins does the STM8S003F3 have?

The STM8S003F3 has 16 I/O pins.

What is the load capacitance for the STM8S003F3?

The load capacitance is 20 pF.

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