ATmega644P

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Mature product; not recommended for new designs. Replaced by ATmega644PA.

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Key Parameters

Parameter
Value

Flash (Kbytes):

64 Kbytes

Pin Count:

44

Max. Operating Frequency:

20 MHz

CPU:

8-bit AVR

# of Touch Channels:

16

Hardware QTouch Acquisition:

No

Max I/O Pins:

32

Ext Interrupts:

32

USB Speed:

No

USB Interface:

No

 

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Ordering Codes

Ordering Code Package Speed Power Supply Operational Range Comment Samples
ATMEGA644PV-10AQR TQFP 44A 44 1.8-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644PV-10PU PDIP 40P6 40 10 1.8-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644P-20AUR TQFP 44A 44 20 2.7-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644P-20AQ TQFP 44A 44 20 2.7-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644PV-10MQ MLF (VQFN) 44M1 44 10 1.8-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644P-20MU MLF (VQFN) 44M1 44 20 2.7-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644PV-10MUR MLF (VQFN) 44M1 44 10 1.8-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644P-20PU PDIP 40P6 40 20 2.7-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644PV-10AU TQFP 44A 44 10 1.8-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644PV-10MQR MLF (VQFN) 44M1 44 10 1.8-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644P-20MUR MLF (VQFN) 44M1 44 20 2.7-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644PV-10PQ PDIP 40P6 40 10 1.8-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644P-20MQ MLF (VQFN) 44M1 44 20 2.7-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644P-20AQR TQFP 44A 44 20 2.7-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644PV-10MU MLF (VQFN) 44M1 44 10 1.8-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644P-20AU TQFP 44A 44 20 2.7-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644P-20PQ PDIP 40P6 40 20 2.7-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644PV-10AQ TQFP 44A 44 10 1.8-5.5 Industrial (B) (-40°C to 105°C) Request
ATMEGA644PV-10AUR TQFP 44A 44 10 1.8-5.5 Industrial (A) (-40°C to 85°C) Request
ATMEGA644P-20MQR MLF (VQFN) 44M1 44 20 2.7-5.5 Industrial (B) (-40°C to 105°C) Request