HD6473657WV
IC MCU 8BIT 60KB OTP 80TQFP

Embedded Microcontrollers
80-TQFP
H8® H8/300L
Obsolete
$16.11 / unit (market reference)
MOQ: 19 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | HD6473657WV |
| Package / Case | 80-TQFP |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 75°C (TA) |
| Core Processor | H8/300L |
| Speed | 5MHz |
| Program Memory Size | 60KB (60K x 8) |
| RAM Size | 2K x 8 |
| Number of I/O | 67 |
| Data Converters | A/D 8x8b |
| Voltage - Supply | 2.2V ~ 5.5V |
| Connectivity | SCI |
| Peripherals | PWM, WDT |
| Supplier Device Package | 80-TQFP (12x12) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
HD6473657WV by Rochester Electronics, LLC is a H8/300L microcontroller widely used in industrial control, motor drives, IoT devices, 3D printer mainboards, and consumer electronics. The 80-TQFP package fits automated SMT assembly. Operating temperature is -20°C ~ 75°C (TA) — verify your application environment. 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 | 5MHz |
| RAM Size | 2K x 8 |
| Core Size | 8-Bit |
| Peripherals | PWM, WDT |
| Connectivity | SCI |
| Number of I/O | 67 |
| Core Processor | H8/300L |
| Data Converters | A/D 8x8b |
| Oscillator Type | Internal |
| Program Memory Size | 60KB (60K x 8) |
| Program Memory Type | OTP |
| Voltage - Supply (Vcc/Vdd) | 2.2V ~ 5.5V |
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