Microcontrollers & Memory

Microcontrollers & Memory ICs

Whether you're prototyping your next embedded system, restoring consumer electronics, or stocking a production line, our Microcontrollers & Memory collection has you covered. Browse a carefully curated selection of MCU chips, EEPROM ICs, real-time clock modules, and RAM storage trays — sourced from leading families including STM32, STM8, PIC16F, PIC18F, WCH, and more. All components are available in convenient multi-packs to keep your bench running and your costs low.

Why Shop Our Microcontrollers & Memory Collection?

  • Wide Compatibility: From DDR/DDR2/DDR3/DDR4 memory storage to I²C EEPROM and RISC-V MCUs, we carry components for virtually every modern platform.
  • Bulk Value Packs: Save more per unit with our 2-pack, 10-pack, and 100-pack options — perfect for hobbyists and professionals alike.
  • Trusted IC Families: STM8, STM32, PIC16F, PIC18F, WCH CH32V, M24C series EEPROMs, and more.
  • Anti-Static Protection: Keep your ICs safe with purpose-built anti-static storage solutions.

Featured Products

Explore by Type

Microcontroller Units (MCUs)

From the ultra-low-power STM8L & STM32F031 Microcontroller IC Chips to versatile general-purpose options like the AC6965E4 QSOP-24 MCU IC Chips, our MCU selection spans a broad range of architectures, packages, and performance tiers.

EEPROM & Serial Memory

Our EEPROM range includes the popular M24C16 & M24M02 EEPROM IC Chips with I²C serial interfaces — essential for non-volatile data storage in automotive, industrial, and consumer applications.

Real-Time Clock (RTC) ICs

Keep your embedded projects perfectly timed with RTCs like the MCP79410 RTC IC Chip and the S-35390A SOIC-8 Real-Time Clock IC — both offering I²C interfaces and low-power operation.

PIC Microcontrollers

Microchip's PIC family remains a staple in embedded development. Choose from our 2-Pack PIC16F & PIC18F Series MCU ICs or the Multi-Model PIC16F / PIC18F MCU Pack for versatile project compatibility.

Mixed MCU Packs

Not sure which MCU you need? Try our 10pcs Mixed MCU ICs – STM8S, N76E003, MS51 — a great way to experiment with multiple architectures at once.


Learn more: EPA guidance on lithium-ion battery handling

Frequently Asked Questions

Q: What is the difference between a microcontroller (MCU) and an EEPROM memory chip?

A: A microcontroller (MCU) is an integrated circuit that contains a processor core, program flash memory, RAM, and I/O peripherals — it executes program code. An EEPROM (Electrically Erasable Programmable Read-Only Memory) chip is a dedicated non-volatile memory device used purely for storing data or configuration values that must persist when power is removed. Both are commonly used together in embedded systems designs.

Q: Which microcontroller family is best for beginners — STM8, STM32, or PIC?

A: All three families are beginner-friendly with strong community support. STM8 microcontrollers are great for simple 8-bit tasks with low power requirements. STM32 (ARM Cortex-M) chips offer more processing power and peripheral options, making them ideal for more complex projects. PIC16F and PIC18F microcontrollers have decades of documentation and a vast library of example projects, making them a classic choice for learning embedded development.

Q: Are anti-static storage trays necessary for RAM and IC chips?

A: Yes — electrostatic discharge (ESD) is one of the most common causes of invisible damage to sensitive IC components like RAM modules and microcontrollers. Using anti-static storage trays or bags prevents static buildup that can degrade or destroy chips during handling, storage, or shipping. Our DDR RAM anti-static trays are designed specifically to fit standard DIMM module sizes.

Q: What packages are available for the STM8S microcontroller ICs?

A: Our STM8S Microcontroller ICs — including the STM8S003, STM8S005, and STM8S105 — are available in common SMD packages such as SOIC and TSSOP, making them compatible with standard PCB footprints and reflow soldering processes.

Q: Do the EEPROM and RTC chips in this collection support I²C communication?

A: Yes — the majority of EEPROM and RTC chips in this collection, including the M24C02, M24C64, M24256, M24512, M24C16, M24M02, MCP79410, and S-35390A, use the I²C (Inter-Integrated Circuit) serial communication protocol. This makes them easy to integrate with virtually any microcontroller platform that supports I²C, including Arduino, STM32, ESP32, and Raspberry Pi.

Skip to results list

Active filters:

75 items
Column grid
Column grid

Filter

Active filters:

  • ESP32 ESP-WROOM-32 Wireless Module | 4MB Flash 32Mb PSRAM

    ESP32 ESP-WROOM-32 Wireless Module | 4MB Flash 32Mb PSRAM

    Sale price  $9.46 Regular price $11.10
  • EP3C40Q240C8N Cyclone III FPGA QFP-240 IC – New & Original

    EP3C40Q240C8N Cyclone III FPGA QFP-240 IC – New & Original

    Sale price  $239.78 Regular price $299.96
  • DSPIC33FJ256MC710-I/PT TQFP100 DSC IC – 2 to 10 PCS Pack

    DSPIC33FJ256MC710-I/PT TQFP100 DSC IC – 2 to 10 PCS Pack

    Sale price  $82.95 Regular price $103.28
  • DS3231SN RTC Chip 10PCS – I2C SOIC-16 Real Time Clock IC

    DS3231SN RTC Chip 10PCS – I2C SOIC-16 Real Time Clock IC

    Sale price  $46.95 Regular price $58.13
  • BGA Memory Chip K4G80325FB H5GQ8H24MJR – 100% Tested IC

    BGA Memory Chip K4G80325FB H5GQ8H24MJR – 100% Tested IC

    Sale price  $30.42 Regular price $37.39
  • AU89103 USB 3.0 Type-C Flash Drive Controller IC BGA152

    AU89103 USB 3.0 Type-C Flash Drive Controller IC BGA152

    Sale price  $16.54 Regular price $19.99
  • ATMEGA644 QFP-44 AVR Microcontroller IC Chip – 100% New

    ATMEGA644 QFP-44 AVR Microcontroller IC Chip – 100% New

    Sale price  $38.13 Regular price $47.06
  • AT45DB321E-SHF-T SOP8 Flash Memory IC – 5-Pack

    AT45DB321E-SHF-T SOP8 Flash Memory IC – 5-Pack

    Sale price  $25.57 Regular price $31.31
  • ADS8689IPWR 24-Bit ADC IC Chip TSSOP-16 | ADS8689

    ADS8689IPWR 24-Bit ADC IC Chip TSSOP-16 | ADS8689

    Sale price  $93.66 Regular price $116.70
  • 5pcs STSPIN32F0 VFQFPN-48 MCU BLDC Motor Controller IC

    5pcs STSPIN32F0 VFQFPN-48 MCU BLDC Motor Controller IC

    Sale price  $64.41 Regular price $80.03
  • 5PCS STM32F103RCT6 LQFP-64 32-Bit Microcontroller IC Chip

    5PCS STM32F103RCT6 LQFP-64 32-Bit Microcontroller IC Chip

    Sale price  $21.96 Regular price $26.78
  • 5pcs STM32F051 ARM Cortex-M0 MCU Microcontrollers Pack

    5pcs STM32F051 ARM Cortex-M0 MCU Microcontrollers Pack

    Sale price  $30.78 Regular price $37.84
  • 5PCS RP2040 QFN-56 ARM Cortex-M0+ 133MHz SMD Microcontroller

    5PCS RP2040 QFN-56 ARM Cortex-M0+ 133MHz SMD Microcontroller

    Sale price  $20.01 Regular price $24.34
  • 5pcs Mixed Signal 64KB ISP Flash MCU TQFP Microcontroller Pack

    5pcs Mixed Signal 64KB ISP Flash MCU TQFP Microcontroller Pack

    Sale price  $174.93 Regular price $218.63
  • 5pcs Mixed IC Chips – EEPROM, Microcontroller & Flash Memory

    5pcs Mixed IC Chips – EEPROM, Microcontroller & Flash Memory

    Sale price  $8.62 Regular price $10.05
  • 5pcs Mixed Electronic ICs & Microcontrollers | PS2801 R7F SLG5

    5pcs Mixed Electronic ICs & Microcontrollers | PS2801 R7F SLG5

    Sale price  $43.78 Regular price $54.15
  • 5PCS KM416V1204CT-6 TSSOP-44 Integrated Circuit IC Chips

    5PCS KM416V1204CT-6 TSSOP-44 Integrated Circuit IC Chips

    Sale price  $87.53 Regular price $109.01
  • 5pcs Cypress Microcontroller & USB IC Chips – Mixed IC Lot

    5pcs Cypress Microcontroller & USB IC Chips – Mixed IC Lot

    Sale price  $13.82 Regular price $16.58
  • 5pcs ATMEGA88PA-AU QFP32 & ATMEGA328P-PU AVR Microcontrollers

    5pcs ATMEGA88PA-AU QFP32 & ATMEGA328P-PU AVR Microcontrollers

    Sale price  $59.54 Regular price $73.91
  • 5-Pack W25X40CLSSIG-TR SOP-8 NOR Flash Memory IC Chips

    5-Pack W25X40CLSSIG-TR SOP-8 NOR Flash Memory IC Chips

    Sale price  $12.27 Regular price $14.63
  • 5-Pack STM32F042 MCU Microcontrollers – Mixed Variants

    5-Pack STM32F042 MCU Microcontrollers – Mixed Variants

    Sale price  $16.51 Regular price $19.95
  • 5-Pack PIC Microcontroller ICs – PIC10F, PIC16F & PIC18F MCUs

    5-Pack PIC Microcontroller ICs – PIC10F, PIC16F & PIC18F MCUs

    Sale price  $13.44 Regular price $16.09
  • 5-Pack MindMotion MM32 Microcontrollers – Mixed MCU Model Set

    5-Pack MindMotion MM32 Microcontrollers – Mixed MCU Model Set

    Sale price  $30.12 Regular price $37.01
  • 5-Pack IC Chips MKE02Z32VLC4 MKE02Z64VLH4 MGD3160AM515EKR2

    5-Pack IC Chips MKE02Z32VLC4 MKE02Z64VLH4 MGD3160AM515EKR2

    Sale price  $25.28 Regular price $30.94