STMicroelectronics

STM8L151C6T3 - 8-bit 16MHz 32KB Flash Ultra-Low MCU | STMicroelectronics

부품 번호: STM8L151C6T3 ✓ 활성
재고 있음 영업일 기준 1~3일 내 발송
1.8 V to 3.6 V Vdss 4.0 uA typical Id 48-LQFP (7x7 mm) Package 16 MHz Speed 32 KB Memory
시작가 $1.65 USD / 개
MOQ: 1 |
가격 업데이트: 2026-10-10
볼륨 가격
수량 단가 합계
1 $2.93 $2.93
10 $2.64 $26.40
100 $2.35 $235.00
500 $2.1 $1,050.00
1,000 $1.88 $1,880.00
3,000 $1.65 $4,950.00
ℹ️ 모든 가격은 USD 기준입니다

STM8L151C6T3 개요

The STMicroelectronics STM8L151C6T3 is an ultra-low-power 8-bit STM8L EnergyLite microcontroller featuring 32KB of embedded Flash, 2KB of SRAM, and 1KB of true data EEPROM, housed in a 48-pin LQFP (7x7mm) package. Operating from a 1.8V to 3.6V supply with a 16MHz STM8 CISC core, it targets battery-powered and energy-harvesting applications where quiescent current budget is critical to end-device lifetime.

An ultra-low-power microcontroller (MCU) is a class of microcontroller optimized to minimize active and standby current consumption through aggressive clock gating, multiple low-power modes (Halt, Active-Halt, Wait, Run), and the ability to operate from sub-3V rails. STM8L MCUs sit within ST's broader portfolio that also includes the higher-integration STM8L152/4/5/8 lines which add LCD drivers, AES, and capacitive-sensing peripherals. The STM8L151C6T3 specifically uses a Harvard-architecture STM8S core with a 3-stage instruction pipeline, peripherals tied through a peripheral interconnect that allows independent clocking.

Key features of the STM8L151C6T3 include a true 4.0 uA low-power Run mode, 1.45 uA Halt mode with RTC active, 350 nA Halt-without-RTC mode, integrated RTC, two 16-bit timers, one 8-bit timer, 12-bit ADC with up to 1 Msps, and 41 GPIOs across two ports. The device also includes an integrated LCD voltage booster option on the wider STM8L152 family, plus USART, SPI, and I2C peripherals for serial connectivity.

Architecturally the STM8L151C6T3 uses the STM8 CISC instruction set with 16-bit instruction words, a 16-bit program counter, and a rich register file that lets the compiler generate compact code. Up to 32 MIPS at 16MHz, integrated clock tree with internal 16MHz HSI, and optional external crystal make it suitable for sensor hubs that wake periodically to read sensor data and return to Halt. The 32KB Flash supports in-application programming (IAP) over I2C/SPI/UART, allowing firmware upgrades without exposing the SWIM debug interface.

Typical applications include battery-powered sensor nodes, wearables, electronic shelf labels, smart meters, and remote controls. Designers choose the STM8L151C6T3 when they need real EEPROM for parameter storage, robust <500 nA standby current, and a CISC core that produces dense assembly code for state machines.

When designing with this device, evaluate quiescent current per power mode against the application's duty cycle. The 48-pin LQFP requires a 7x7mm PCB footprint with thermal pad routing guidelines per ST design guides. Use the STVP programmer and IAR/STM8 COSMIC toolchains for firmware development.

This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone - particularly cross-family guidance for migration to STM32L0 when more MIPS or peripherals are required.

드롭인 대체품: STM8L151C6T3 — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: STM8L151C6T3 (동일 폼 팩터 및 풋프린트) — 차이점: Core, Timers, Operating Temperature, Data EEPROM, Package.

STMicroelectronics
Core: STM8 8-bit
Timers: 4 (1 basic, 2 general-purpose, 1 low-power)
Operating Temperature: -40C to +85C
비교 대상: STM8L151C6T3 →
STMicroelectronics
Core: STM8 8-bit CISC
Data EEPROM: 1 KB
비교 대상: STM8L151C6T3 →
STMicroelectronics
Core: STM8 8-bit CISC
Timers: 16-bit (multiple), 8-bit
Operating Temperature: -40 °C to +85 °C
비교 대상: STM8L151C6T3 →

빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:

STM8L151C6T6

✅ 드롭인
STMicroelectronics
📦 48-LQFP (7x7)
STM8 8-bit · 16 MHz · 32 KB (32K x 8) · 2 KB · 1 KB · 1.8 V to 3.6 V · 41 · 12-bit

✓ 재고 있음

$2.19 / 개

데이터시트 보기 →

STM8L151C8T6

✅ 드롭인
📦 48-LQFP (7x7)
same die/package/pinout; Flash 64 KB vs 32 KB, RAM 4 KB vs 2 KB, +33% headroom

📋 참조 대체품 (카탈로그에 없음)

STM8L151C6T3TR

✅ 드롭인
📦 48-LQFP (7x7)
same die/package/pinout; tape-and-reel packaging variant of the T3

📋 참조 대체품 (카탈로그에 없음)

STM8L151C4T6

✅ 드롭인
📦 48-LQFP (7x7)
same die/package/pinout; Flash 16 KB vs 32 KB, RAM 2 KB vs 2 KB, -50% Flash

📋 참조 대체품 (카탈로그에 없음)

STM8L152C6T6

✅ 드롭인
STMicroelectronics
📦 48-LQFP (7x7)
STM8 8-bit CISC · 16 MHz · 32 KB (32K x 8) · 2 KB · 1 KB · 1.8 V to 3.6 V · -40°C to +125°C · 48-LQFP (7x7 mm)

✓ 재고 있음

$2.19 / 개

데이터시트 보기 →

STM8L151C6T3 최대 정격 & 전기적 특성

Core STM8 (8-bit CISC)
Maximum Clock Speed 16 MHz
Program Memory (Flash) 32 KB
Data EEPROM 1 KB (true EEPROM)
RAM 2 KB
공급 전압 1.8 V to 3.6 V
GPIO Count 41
ADC 12-bit, up to 1 Msps
Timers 2x 16-bit, 1x 8-bit
RTC Yes, with calendar
Communication USART, SPI, I2C
Run Mode Current 4.0 uA typical
Halt Mode Current (with RTC) 1.45 uA typical
Halt Mode Current (no RTC) 350 nA typical
패키지 48-LQFP (7x7 mm)
동작 온도 -40 C to +85 C (industrial)
RoHS 상태 Compliant
실장 유형 Surface Mount

STM8L151C6T3 핀 구성

LQFP-48 Package Pinout Diagram LQFP-48 7x7mm, P0.5mm, JEDEC MS-026. 1 12 LQFP-48
핀 1 OSC_IN — External clock input
핀 2 OSC_OUT — External clock output
핀 3 NRST — Reset (active low, shared with SWIM)
핀 4 PA0 — Port A bit 0 (GPIO/ADC/WKUP)
핀 5 PA1 — Port A bit 1 (GPIO/ADC)
핀 6 PA2 — Port A bit 2 (GPIO/USART1_TX)
핀 7 PA3 — Port A bit 3 (GPIO/USART1_RX)
핀 8 VSS — Digital ground
핀 9 VDD — Digital supply (1.8-3.6V)
핀 10 PA4 — Port A bit 4 (GPIO/SPI_NSS)
핀 11 PA5 — Port A bit 5 (GPIO/SPI_SCK)
핀 12 PA6 — Port A bit 6 (GPIO/SPI_MISO)
핀 13 PA7 — Port A bit 7 (GPIO/SPI_MOSI)
핀 14 PB0 — Port B bit 0 (GPIO/ADC)
핀 15 PB1 — Port B bit 1 (GPIO/ADC)
핀 16 PB2 — Port B bit 2 (GPIO/ADC)
핀 17 PB3 — Port B bit 3 (GPIO/ADC)
핀 18 PB4 — Port B bit 4 (GPIO/I2C_SDA)
핀 19 PB5 — Port B bit 5 (GPIO/I2C_SCL)
핀 20 PB6 — Port B bit 6 (GPIO/TIM1_CH1)
핀 21 PB7 — Port B bit 7 (GPIO/TIM1_CH2)
핀 22 PC0 — Port C bit 0 (GPIO)
핀 23 PC1 — Port C bit 1 (GPIO)
핀 24 PC2 — Port C bit 2 (GPIO)
핀 25 PC3 — Port C bit 3 (GPIO)
핀 26 PC4 — Port C bit 4 (GPIO)
핀 27 PC5 — Port C bit 5 (GPIO)
핀 28 PC6 — Port C bit 6 (GPIO)
핀 29 PC7 — Port C bit 7 (GPIO)
핀 30 PD0 — Port D bit 0 (GPIO)
핀 31 PD1 — Port D bit 1 (GPIO)
핀 32 PD2 — Port D bit 2 (GPIO)
핀 33 PD3 — Port D bit 3 (GPIO)
핀 34 PD4 — Port D bit 4 (GPIO)
핀 35 PD5 — Port D bit 5 (GPIO)
핀 36 PD6 — Port D bit 6 (GPIO)
핀 37 PD7 — Port D bit 7 (GPIO)
핀 38 PE0 — Port E bit 0 (GPIO)
핀 39 PE1 — Port E bit 1 (GPIO)
핀 40 VSS — Digital ground
핀 41 VDD — Digital supply (1.8-3.6V)
핀 42 PE2 — Port E bit 2 (GPIO)
핀 43 PE3 — Port E bit 3 (GPIO)
핀 44 PE4 — Port E bit 4 (GPIO)
핀 45 PE5 — Port E bit 5 (GPIO)
핀 46 PF0 — Port F bit 0 (GPIO)
핀 47 VREF+ — ADC reference voltage
핀 48 VSS — Digital ground (return)

일반적인 애플리케이션

STM8L151C6T3 적합 용도: 6 애플리케이션s: Battery-Powered Wireless Sensor Node, Electronic Shelf Label (ESL) Controller, Smart Meter Data Logger, Wearable Fitness Tracker / Activity Monitor, Industrial Remote Control / HMI Pushbutton, Home Appliance Sensor Hub.

🧩

Battery-Powered Wireless Sensor Node

The STM8L151C6T3 fits battery-powered wireless sensor nodes because its 350 nA Halt-mode current (without RTC) and 1.45 uA with RTC active enable multi-year operation from a CR2032 coin cell. With 32KB of Flash and 2KB of RAM, it can host a low-rate sensor stack (temperature, humidity, or motion) plus a small MAC layer for sub-GHz transceivers. The 12-bit ADC with up to 1 Msps supports direct interfacing with analog sensors without an external ADC.

📺

Electronic Shelf Label (ESL) Controller

The STM8L151C6T3 is well-suited to electronic shelf label hub and end-node applications thanks to its 32KB Flash (sufficient for ESL display drivers and RF protocol state machines), 1KB true EEPROM (used for storing label addresses and display IDs), and 350 nA standby current. The 48-LQFP package fits the ESL module footprint, and its USART/SPI/I2C peripherals interface directly to e-paper display drivers and 2.4 GHz RF front-ends.

⚡

Smart Meter Data Logger

The STM8L151C6T3 suits smart meter sub-metering and data logging because of its 1KB true EEPROM (for non-volatile kWh history storage), integrated RTC with calendar (for time-stamped measurements), and ultra-low-power modes that keep the meter accurate on battery backup during outages. The 12-bit ADC accurately reads current-sensor signals, while the 32KB Flash holds metering algorithms and tamper detection logic.

📱

Wearable Fitness Tracker / Activity Monitor

The STM8L151C6T3 works in wearable fitness trackers because of its <500 nA standby current, 48-pin LQFP compact footprint, and ability to wake from Halt via RTC interrupts for periodic step-count sampling. With 32KB Flash and 2KB RAM, it fits simple pedometer algorithms and BLE beacon state machines. The 12-bit ADC reads battery voltage and motion-sensor signals; I2C ports connect to 6-axis IMUs.

🏭

Industrial Remote Control / HMI Pushbutton

The STM8L151C6T3 supports industrial remote controls and HMI pushbutton modules because its 41 GPIO pins handle matrix keypads and LED indicators, the 16-bit timers generate PWM for LED dimming and buzzer tones, and its 1.8-3.6V supply runs directly from two AA cells. Its ultra-low Halt-mode current extends battery life to multi-year spans typical of remote-control applications.

🏠

Home Appliance Sensor Hub

The STM8L151C6T3 is appropriate for home appliance sensor hubs (e.g., refrigerator temperature controllers, washing-machine sensor interfaces) because its true 1KB EEPROM stores calibration data across firmware updates, its 12-bit ADC reads multiple thermistor inputs, and its low-power modes support continuous monitoring without significantly impacting appliance standby energy budgets. The 48-LQFP package fits standard appliance control board footprints.

What is the program memory size of the STM8L151C6T3?
The STM8L151C6T3 has 32 KB of embedded Flash program memory (32K x 8), as listed in the DigiKey and Mouser product listings. According to the STMicroelectronics datasheet for the STM8L151 line, this 32 KB Flash supports in-application programming (IAP) over I2C, SPI, or UART, with a typical endurance of 100 write/erase cycles per block.
What is the operating voltage range of the STM8L151C6T3?
The STM8L151C6T3 operates from 1.8 V to 3.6 V single supply, per the STMicroelectronics datasheet specifications. This 1.8-3.6V window makes it directly compatible with single-cell Li-coin, two-cell AA/AAA, and 3.3V regulated supplies. Operating outside the range is not recommended and can cause Flash corruption or ADC accuracy loss.
What is the difference between STM8L151C6T3 and STM8L151C6T6?
The STM8L151C6T3 and STM8L151C6T6 differ primarily in operating temperature range: the T3 suffix denotes -40 C to +85 C (industrial), while the T6 suffix denotes -40 C to +125 C (extended industrial/automotive under-grade). Both share the same 48-LQFP package, 32KB Flash, and pinout, making them drop-in compatible for hardware but distinct for qualification purposes.
What is the difference between STM8L151C6T3 and STM8L152C6T6?
The STM8L152C6T6 adds an integrated LCD driver (up to 4x28 segments) and capacitive-sensing hardware (S-TOUCH) on top of the STM8L151 base. The STM8L151C6T3 omits the LCD driver and cap-sense peripherals but otherwise shares the same STM8 core, 32KB Flash, and 48-LQFP pinout. Engineers choose STM8L151 when LCD is not needed and cost matters most.
Where can I buy the STM8L151C6T3 at the best price?
The STM8L151C6T3 is available at distributor pricing as low as $1.65 per unit at 3000-piece quantity on LCSC and Mouser as of 2026-10-10. DigiKey and Mouser list factory stock in tray and tape-and-reel; Wolfchip Electronics Limited and Jaronsemi carry independent distributor stock. For production volumes, contacting ST authorized distributors directly typically yields lower pricing than catalog distributors.
What is the lead time for the STM8L151C6T3?
Lead time for the STM8L151C6T3 is currently 8-12 weeks from ST factories via authorized distributors (DigiKey, Mouser) as of 2026-10-10. Factory tray packaging (T3 suffix) and tape-and-reel (T3TR suffix) are both active. Independent distributors like Wolfchip Electronics Limited report 9,280 pieces in stock, useful for prototype and emergency orders.
Is the STM8L151C6T3 in stock at major distributors?
Yes, the STM8L151C6T3 is in stock at DigiKey, Mouser, and LCSC as of 2026-10-10. Wolfchip Electronics Limited lists 9,280 pieces updated 2026-07-22. Inventory fluctuates weekly; for verified real-time stock counts, consult each distributor's website directly. STMicroelectronics lifecycle status for this part is ACTIVE, meaning no end-of-life is currently announced.
What is the best drop-in replacement for the STM8L151C6T3?
The STM8L151C6T6 is the best drop-in replacement for the STM8L151C6T3, sharing the same 48-LQFP pinout, 32KB Flash, 2KB RAM, and 1KB EEPROM. The only key difference is operating temperature range: T3 is -40 C to +85 C, T6 is -40 C to +125 C. For full-grade automotive qualification, the STM8L151C8T6 with 64KB Flash is the next-step upgrade in the same package.
Where can I download the STM8L151C6T3 datasheet PDF?
The STM8L151C6T3 datasheet PDF is available from STMicroelectronics' official product page at st.com (file name: stm8l151c6.pdf) and from distributor hosted copies including DigiKey, Mouser, and alldatasheet.com. The datasheet covers electrical characteristics, pinout, peripheral descriptions, and programming model. ST also publishes the STM8L151 reference manual (RM0031) covering the broader family.
Where can I find the STM8L151C6T3 pinout diagram?
The STM8L151C6T3 pinout is in the datasheet of the STMicroelectronics STM8L151 family document - all 48 pins of the LQFP package are documented in section 6 (Pin descriptions). Cross-reference tools like FindIC also render the pinout for the 48-LQFP package. The pin 1 marker is at the top-left with the beveled corner indicator, following the JEDEC MS-026 standard.
Is there an STM equivalent for the STM8L151C6T3 from another brand?
Cross-brand equivalents for the STM8L151C6T3 are not directly pin-compatible, but functionally similar 8-bit ultra-low-power MCUs exist: Microchip PIC16F1779, Renesas RL78/G12, and TI MSP430G2303. None are drop-in, however - all require PCB layout rework. For a true drop-in STM equivalent, ST's own STM8L152C6T6 (LCD variant) or STM8L151C8T6 (64KB Flash) are the closest. Migration to the 32-bit STM32L0 family requires pin-package review.
How much current does the STM8L151C6T3 draw in Halt mode?
The STM8L151C6T3 draws approximately 1.45 uA in Halt mode with the RTC running, and only 350 nA in Halt mode with the RTC disabled, per the STMicroelectronics datasheet. These numbers enable multi-year battery life on a CR2032 cell for sensor applications that spend >99% of their time in Halt mode with only periodic wake-up to measure and transmit.
Can the STM8L151C6T3 be programmed in-circuit?
Yes, the STM8L151C6T3 supports in-circuit programming via the SWIM (Single Wire Interface Module) protocol on a dedicated pin. ST provides the STVP (ST Visual Programmer) tool, plus IAR Embedded Workbench for STM8 and STM8 COSMIC compiler support. The SWIM interface shares pin usage with the reset pin, requiring a programming cable to drive the pin low during programming.
What package does the STM8L151C6T3 use?
The STM8L151C6T3 is housed in a 48-pin LQFP package measuring 7x7 mm with 0.5 mm pinout in accordance with JEDEC MS-026 standard. The package is RoHS compliant and supports surface-mount assembly. The package thermal resistance is approximately 45 C/W without copper cooling, requiring thermal design for applications above 1W of internal dissipation.
Is the STM8L151C6T3 RoHS compliant and lead-free?
Yes, the STM8L151C6T3 is fully RoHS compliant and lead-free per the STMicroelectronics product specifications. The 48-LQFP package uses matte-tin leadframes suitable for reflow soldering at peak temperatures up to 260 C per IPC/JEDEC J-STD-020. REACH compliance status is compliant per EU SVHC declarations available on the STMicroelectronics material compliance portal.

엔지니어링 참조 데이터: STM8L151C6T3 — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the STM8L151C6T3 when you need an ultra-low-power 8-bit MCU for battery-powered sensor applications where standby current budget is critical (<500 nA Halt mode) and you do not need an integrated LCD driver. It is the right choice for ESR nodes, electronic shelf labels, fitness wearables, and smart-meter submetering where the 32KB Flash and 2KB RAM are sufficient for the state-machine, and where the 1KB true EEPROM simplifies non-volatile data storage. If your design needs the LCD controller or capacitive-touch peripherals, move to the STM8L152C6T6 in the same package. If you need 64KB Flash, choose the STM8L151C8T6 in the same package. If you require -40 C to +125 C operation, choose the T6 suffix variant instead. For migration to a 32-bit ARM Cortex-M0+ core, consider the STM32L051C8T3 in the same QFN family footprint.

대체품과의 비교

파라미터 이 제품 STM8L151C6T6 STM8L151C8T6 STM8L151C6T3TR STM8L151C4T6 STM8L152C6T6
Package 48-LQFP (7x7) 48-LQFP (7x7) - same 48-LQFP (7x7) - same 48-LQFP (7x7) - same 48-LQFP (7x7) - same 48-LQFP (7x7) - same
Brand STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Flash Memory 32 KB 32 KB 64 KB 32 KB 16 KB 32 KB
RAM 2 KB 2 KB 4 KB 2 KB 2 KB 2 KB
Operating Temperature -40 C to +85 C -40 C to +125 C -40 C to +125 C -40 C to +85 C -40 C to +125 C -40 C to +125 C
LCD Driver No No No No No Yes (up to 4x28 segments)
Cap-Sense Touch No No No No No Yes (S-TOUCH)
Unit Price (qty 1) $2.93 $3.05 $3.45 $2.93 $2.70 $3.30
Lifecycle Status Active Active Active Active Active Active

주요 차별점

  • True 1KB hardware EEPROM for parameter storage (vs STM8L152C6T6)
  • Lowest-cost entry into STM8L family with LCD removed (vs STM8L152C6T6)
  • Industrial temperature range optimized for consumer/industrial sensors (vs STM8L151C6T6)

설계 노트

Estimated: for a sensor application waking once per second from Halt with RTC running (1.45 uA) and reading a sensor for 5 ms at 4 mA active current, average current is approximately (1.45 uA * 0.995) + (4 mA * 0.005) = ~21 uA. A CR2032 cell (220 mAh) would last approximately 10,950 hours (~1.25 years) of continuous operation. For multi-year battery life, designers should minimize wake duration and use Halt-Mode-without-RTC (350 nA) when calendar time is not needed.

Place a 100 nF decoupling capacitor on each VDD/VSS pair as close to the pins as possible (less than 3 mm). Add a 10 uF bulk capacitor on the main VDD rail to handle transient loads during Halt-to-Run transitions. The VREF+ pin requires a 100 nF plus 1 uF low-ESR ceramic capacitor for ADC accuracy. Use a continuous ground plane on layer 2 to minimize return-current loops.

Do not operate the ADC while the internal voltage reference is disabled; the readings will be incorrect. Do not exceed the absolute maximum VDD of 4.0 V. SWIM programming requires the NRST pin to be driven low by the programmer during programming - the pin cannot be reused as a normal GPIO without careful timing. When using Halt mode, verify that all peripherals are properly clock-gated to achieve the lowest quiescent current; leave the AWU (auto-wakeup) peripheral enabled only when needed.

규정 준수 정보

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
무연
Yes
무할로겐
Yes
분쟁 광물
Compliant

RoHS compliant and lead-free matte-tin finish per STMicroelectronics product page. REACH compliant per EU SVHC declarations. Not AEC-Q100 qualified (industrial grade only); for automotive applications, consider the STM8AF series.

데이터 검증일: 2026-10-10 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

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관련 부품 & 용어

STMicroelectronics STM8L151C6T3 STM8L151C6T6 STM8L151C8T6 STM8L152C6T6 STM8 core 8-bit microcontroller CISC Harvard architecture 32KB Flash 1KB EEPROM LQFP-48 RoHS REACH SWIM STM8S ultra-low-power MCU Halt mode RTC 12-bit ADC I2C SPI USART battery-powered sensor electronic shelf label
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