Microchip Technology ATMEGA640-16AU Microcontrollers
IC MCU 8BIT 64KB FLASH 100TQFP
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
ATMEGA640-16AU
Detailed Description
IC MCU 8BIT 64KB FLASH 100TQFP
Package
100-TQFP
Lifecycle Status
Active
Datasheet
ATMEGA640-16AU Datasheet
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Technical Specifications
Microchip Technology ATMEGA640-16AU Microcontrollers technical specifications.
General
Series
ATmega640
RAM Size
8K x 8
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
RoHS
True
Package / Case
100-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Alternate Parts Comparison (ATMEGA640-16AU vs ATSAME53N19A-AU vs AT91M40400-33AC vs PIC24FJ1024GA610T-I/PT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 100-TQFP | 100-TQFP | 100-TQFP | 100-TQFP |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 0°C ~ 70°C | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.7V ~ 5.5V | 1.71V ~ 3.63V | 2.7V ~ 3.6V | 2V ~ 3.6V |
| Core Processor | AVR | ARM® Cortex®-M4F | ARM7® | PIC |
| Core Size | 8-Bit | 32-Bit Single-Core | 16/32-Bit | 16-Bit |
| RAM Size | 8K x 8 | 192K x 8 | 4K x 8 | 32K x 8 |
| Connectivity | EBI/EMI, I²C, SPI, UART/USART | EBI/EMI, Ethernet, I²C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB | EBI/EMI, UART/USART | I²C, IrDA, LINbus, PMP, SPI, UART/USART |
| Oscillator Type | Internal | Internal | External | Internal |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT | Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT | WDT | Brown-out Detect/Reset, DMA, HLVD, POR, PWM, WDT |
| Program Memory Type | Flash | Flash | ROMless | Flash |
| Speed | 16MHz | 120MHz | 33MHz | 32MHz |
| Mounting Type | Surface Mount | -- | Surface Mount | Surface Mount |
| 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
MC9S08QE64CLHNXP SemiconductorsNXP
IC MCU 8BIT 64KB FLASH 64LQFP
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