ATMEGA644A-MU Atmel, ATMEGA644A-MU Datasheet - Page 558
ATMEGA644A-MU
Manufacturer Part Number
ATMEGA644A-MU
Description
IC MCU AVR 64K FLASH 44VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644A-MU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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31. Ordering Information
31.1
Notes:
8272A–AVR–01/10
44A
40P6
44M1
44MC
49C2
Speed (MHz)
ATmega164A
1. This device can also be supplied in wafer form. Please contact your local Atmel sales office for detailed ordering information
2. Pb-free packaging, complies to the European Directive for Restriction of Hazardous Substances (RoHS directive). Also
3. For Speed vs. V
4. NiPdAu Lead Finish.
5. Tape & Reel.
20
and minimum quantities.
Halide free and fully Green.
44-lead, Thin (1.0 mm) Plastic Gull Wing Quad Flat Package (TQFP)
40-pin, 0.600” Wide, Plastic Dual Inline Package (PDIP)
44-pad, 7 x 7 x 1.0 mm body, lead pitch 0.50 mm, Thermally Enhanced Plastic Very Thin Quad Flat No-Lead (VQFN)
44-lead (2-row Staggered), 5 x 5 x 1.0 mm body, 2.60 x 2.60 mm Exposed Pad, Quad Flat No-Lead Package (QFN)
49-ball, (7 x 7 Array) 0.65 mm Pitch, 5 x 5 x 1 mm, Very Thin, Fine-Pitch Ball Grid Array Package (VFBGA)
(3)
CC
Power Supply
164A/164PA/324A/324PA/644A/644PA/1284/1284P
1.8 - 5.5V
see
”Speed Grades” on page
Ordering Code
ATmega164A-AU
ATmega164A-AUR
ATmega164A-PU
ATmega164A-MU
ATmega164A-MUR
ATmega164A-MCH
ATmega164A-MCHR
ATmega164A-CU
ATmega164A-CUR
Package Type
333.
(2)
(5)
(5)
(5)
(4)
(4)(5)
Package
44A
44A
40P6
44M1
44M1
44MC
44MC
49C2
49C2
(1)
Operational Range
(-40
Industrial
o
C to 85
o
C)
558
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