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Device: ATmega645A [TQFP64]

Manufacturer: Microchip

Part number description for this device:

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AT Atmel  
mega mega AVR8/16 MCU family  
XXX Flash Size 1 = 1kB2 = 2kB4 = 4kB8 = 8kB16 = 16kB32 = 32kB40 = 40kB64 = 64kB128 = 128kB256 = 256kB
XXX MCU Variant Blank, 0, 1, 2 = - marks the device feature(see the corresponding datasheet)
XX Fabrication Blank = fab.1P = fab.2A, PA = fab.3if roll-out was after 04/2009Blank = fab.2P = fab.3
X Power Supply Blank = 4.5V to 5.5VL = 2.7V to 5.5VV = 1.8V to 3.6Vif fabrication is fab.2Blank = 2.7V to 5.5Vif fabrication is fab.3Blank = 1.8V to 5.5V
X Speed Blank = Not specified8 = 8 MHz10 = 10 MHz16 = 16 MHz20 = 20 MHz24 = 24 MHz
XX Type of sample Blank = Regular sampleES = Engineering sample
X Package Type A = TQFPP = Plastic DIPJ = PLCCS, SS = SOICTS = SOT23M, MM, M4 = OFN (MLF)MCH = DRQFN (QFN 2-row staggered)MA = UDFNX = TSSOPC, CC = BGAU = WLCSP
X Temperature Range C = Commercial (0°C to 85°C)I, H = Industrial (-40°C to 85°C)N = Industrial (-40°C to 105°C)8 = Industrial (-40°C to 125°C)U = Industrial Green/Pb-free (-40°C to 85°C)Z = Automotive Green/Pb-free (-40°C to 125°C)Q = Extended (-40°C to 105°C)7 = Industrial (-40°C to 105°C)T = Automotive (-40°C to 85°C)T1 = Automotive (-40°C to 105°C)D = Automotive (-40°C to 150°C)
X Packing Type Blank = Not specifiedT = TrayR = Reel

Note: Part number description table describes usual part-numbering system for more chips, therefore this table can contain information, that might not be valid for the actually selected chip. The information here are provided on the best-effort basis and might be either inaccurate or incoplete. Therefore always check the latest datasheet of the chip for part number description detail. If you find some inaccuracy, let us please know.

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Supported by programmers and programming adapters/modules:

BeeHive204 adapter/module: DIL40/TQFP64 ZIF AVRmega-2 (70-0127)
BeeHive204AP adapter/module: AP1 TQFP64 ZIF AVRmega-2 (71-1898)
BeeHive208S adapter/module: DIL40/TQFP64 ZIF AVRmega-2 (70-0127)
BeeHive304 adapter/module: AP3 QFP64-1.04 AVR-1 (73-3728)
BeeProg2 adapter/module: DIL40/TQFP64 ZIF AVRmega-2 (70-0127)
BeeProg2AP adapter/module: AP1 TQFP64 ZIF AVRmega-2 (71-1898)
BeeProg2C adapter/module: DIL40/TQFP64 ZIF AVRmega-2 (70-0127)
BeeProg3 adapter/module: AP3 QFP64-1.04 AVR-1 (73-3728)
SmartProg2 adapter/module: DIL40/TQFP64 ZIF AVRmega-2 (70-0127)
BeeHive204AP-AU (discontinued) adapter/module: AP1 TQFP64 ZIF AVRmega-2 (71-1898)
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