Microchip Technology ATMEGA48-20MU Microcontrollers
IC MCU 8BIT 4KB FLASH 32VQFN
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA48-20MU
Base Model
Detailed Description
IC MCU 8BIT 4KB FLASH 32VQFN
Package
32-VFQFN Exposed Pad
Lifecycle Status
Active
Datasheet
ATMEGA48-20MU Datasheet
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Technical Specifications
Microchip Technology ATMEGA48-20MU Microcontrollers technical specifications.
General
Series
ATmega48
RAM Size
512 x 8
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
RoHS
Yes
Package / Case
32-VFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Related Parts Comparison (ATMEGA48-20MU vs ATMEGA48V-10MU vs ATMEGA48-15AZ vs ATMEGA48V-10MMU)
Side-by-side specifications of related catalog parts.
Engineering verification required. Related parts may have different electrical ratings, pinouts, footprints, and operating limits. Verify suitability for your circuit before substitution.
| This Part | Related Part | Related Part | Related Part | |
|---|---|---|---|---|
| Series | ATmega48 | ATmega48V | ATmega48 | ATmega48V |
| Package / Case | 32-VFQFN Exposed Pad | 32-VFQFN Exposed Pad | 32-TQFP | 28-VFQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 125°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 2.7V ~ 5.5V | 1.8V ~ 5.5V |
| Maximum Clock Frequency | 20 MHz | 10 MHz | 16 MHz | 10 MHz |
| Data Bus Width | 8 bit | 8 bit | 8 bit | 8 bit |
| Core Processor | AVR | AVR | AVR | AVR |
| Core Size | 8-Bit | 8-Bit | 8-Bit | 8-Bit |
| RAM Size | 512 x 8 | 512 x 8 | 512 x 8 | 512 x 8 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Obsolete | Active |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
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IC MCU 8BIT 4KB FLASH 20SOIC
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IC MCU 8BIT 4KB FLASH 32LQFP
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