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
Yes
Package / Case
100-TQFP
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C (TA)
Supply Voltage
2.7V ~ 5.5V
Lifecycle Status
Active
Related Parts Comparison (ATMEGA640-16AU vs ATSAME53N19A-AU vs AT91M40400-33AC vs PIC24FJ1024GA610T-I/PT)
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 | |
|---|---|---|---|---|
| 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 |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Obsolete | Active |
| 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 |
| Number of I/O | 86 | 81 | 32 | 85 |
| Oscillator Type | Internal | Internal | External | Internal |
| Package | TQFP-100 | TQFP-100 | 100-TQFP | TQFP-100 |
| 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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