MC68HSC705C8ACFB
8-BIT, OTPROM, 6805 CPU, 4MHZ
Embedded Microcontrollers
44-QFP
Active
$9.53 / unit (market reference)
MOQ: 32 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | MC68HSC705C8ACFB |
| Package / Case | 44-QFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Core Processor | M68HC05 |
| Speed | 2.1MHz |
| Program Memory Size | 8KB (8K x 8) |
| RAM Size | 304 x 8 |
| Number of I/O | 31 |
| Voltage - Supply | 3V ~ 5.5V |
| Connectivity | SCI, SPI |
| Peripherals | POR, WDT |
| Supplier Device Package | 44-QFP (10x10) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
MC68HSC705C8ACFB by Rochester Electronics, LLC is a M68HC05 microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 44-QFP package fits automated SMT assembly. Operating temperature is -40°C ~ 85°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.
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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 | 31 |
| Core Processor | M68HC05 |
| Oscillator Type | Internal |
| Program Memory Size | 8KB (8K x 8) |
| Program Memory Type | OTP |
| Voltage - Supply (Vcc/Vdd) | 3V ~ 5.5V |
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