MC705C8ABE
IC MCU 8BIT 8KB OTP 42DIP
Embedded Microcontrollers
42-SDIP (0.600", 15.24mm)
HC05
Active
$7.49 / unit (market reference)
MOQ: 41 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | MC705C8ABE |
| Package / Case | 42-SDIP (0.600", 15.24mm) |
| Mounting Type | Through Hole |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Core Processor | HC05 |
| Speed | 2.1MHz |
| Program Memory Size | 8KB (8K x 8) |
| RAM Size | 304 x 8 |
| Number of I/O | 24 |
| Voltage - Supply | 3V ~ 5.5V |
| Connectivity | SCI, SPI |
| Peripherals | POR, WDT |
| Supplier Device Package | 42-PDIP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
MC705C8ABE by Rochester Electronics, LLC is a HC05 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 42-SDIP (0.600", 15.24mm) package fits automated SMT assembly. Operating temperature is 0°C ~ 70°C (TA) — verify your application environment. The C8 variant has 64KB Flash / 20KB RAM; for larger firmware use the CB (128KB) or RC (256KB) variants. Pin-compatible domestic alternatives include GigaDevice GD32 series and Artery AT32 series — note GD32 ADC specs may differ slightly from ST originals.
📖 Technical Guides for MC705C8ABE
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →MC68HC908BD48IB-FR
IC MCU 8BIT 48KB FLASH 42DIP
MC68HC908SR12CB
IC MCU 8BIT 12KB FLASH 42DIP
MC68HC908BD48IB
IC MCU 8BIT 48KB FLASH 42DIP
MC908GT16CBE
IC MCU 8BIT 16KB FLASH 42DIP
MC9S08AC16MBE
MICROCONTROLLER IC 8-BIT 40MHZ 1
MC68HC908AP16CB
IC MCU 8BIT 16KB FLASH 42DIP
All Technical Specifications
| Speed | 2.1MHz |
| RAM Size | 304 x 8 |
| Core Size | 8-Bit |
| Peripherals | POR, WDT |
| Connectivity | SCI, SPI |
| Number of I/O | 24 |
| Core Processor | HC05 |
| Oscillator Type | Internal |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | OTP |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.