ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 366

• Manufacturer Part Number: ATMEGA644P-A15MZ
• Description: MCU AVR 64KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 2K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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ATmega164P/324P/644P
Notes:
1. Dimensioning and tolerancing conform to ASME Y14.5M. - 1994.
2. Dimensions b applies to metallized terminal and is measured between 0.15 and 0.30 mm from
3. Maximum package warpage is 0.05 mm.
4. Maximum allowable burrs is 0.076 mm in all directions.
5. Pin #1 ID on top will be laser marked.
6. This drawing conforms to JEDEC registered outline M0-220.
7. A maximum 0.15 mm pull back (L1) may be present.
8. The terminal #1 identifier are optional but must be located within the zone indicated the termi-
terminal TIP. If the terminal has the optional radius on the other end of the terminal, the dimen-
sion b should not be measured in that radius area.
L minus L1 to be equal to or greater than 0.30 mm.
nal #1 identifier be either a mold or marked feature.
7674F–AVR–09/09