ATMEGA4HVD-4MX
IC MCU 8BIT 4KB FLASH 18MLF
| Part Description | AVR AVR® ATmega Microcontroller IC 8-Bit 4MHz 4KB (2K x 16) FLASH 18-MLF (3.5x6.5) |
|---|
| Product Category | Microcontrollers |
|---|---|
| Manufacturer | Microchip Technology |
| Manufacturing Status | Obsolete |
| Leadtime | N/A |
| Datasheet | |
| Quantity | 1342 Available (as of January 28, 2026) |
Specifications
| Part Package | 18-WFDFN Exposed Pad (Staggered Leads) |
|---|---|
| Device Package | 18-MLF (3.5×6.5) |
| Mounting Method | Surface Mount |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Core Processor: | AVR |
| Core Size: | 8-Bit |
| Speed: | 4MHz |
| Peripherals: | POR, WDT |
| Number of I/O: | 5 |
| Program Memory Size: | 4KB (2K x 16) |
| Program Memory Type: | FLASH |
| EEPROM Size: | 256 x 8 |
| RAM Size: | 512 x 8 |
| Voltage – Supply (Vcc/Vdd): | 2V ~ 2.4V |
| Data Converters: | A/D 1x10b |
| Oscillator Type: | Internal |
Environmental
| REACH Compliance | REACH Unaffected |
|---|---|
| RoHS Compliance | ROHS3 Compliant |
| Moisture Sensitivity Level | 3 (168 Hours) |
| ECCN | EAR99 |
| HTS Code | 8542.31.0001 |
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Microchip Technology

Date Founded: 1989
Headquarters: Chandler, Arizona, USA
Employees: 22,000+
Revenue: $8.349 Billion
Certifications and Memberships: ISO9001:2015, IATF16949:2016, AS 9100D
About Microchip Technology:
Microchip Technology Inc. is a premier provider of smart, connected, and secure embedded control and processing solutions. Established in 1989, Microchip has experienced substantial growth, evolving into a globally recognized leader within the semiconductor industry. The company proudly serves a diverse customer base of more than 100,000 clients across an extensive array of markets, including automotive, industrial, consumer electronics, aerospace ... Read more