ATMEGA644PV View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATMEGA644PV

8-bit Microcontroller with 16K/32K/64K Bytes In-System Programmable Flash

Atmel Corporation 

7.3 44M1

Pin 1 ID

D

ATmega164P/324P/644P

C

SIDE VIEW

y

E

TOP VIEW

A1

A

eT/2

A19

A24

eR B16

A18

B15

D2

B11

A13

B10

A12

L

B20

A1

B1

b

R0.20 0.40

eT

B5

A6

B6

A7

E2

L

L

BOTTOM VIEW

Note: 1. The terminal #1 ID is a Laser-marked Feature.

COMMON DIMENSIONS

(Unit of Measure = mm)

SYMBOL MIN NOM MAX NOTE

A

0.80

0.90

1.00

A1

0.00

0.02 0.05

b

0.18

0.23

0.30

C

0.20 REF

D

4.90

5.00

5.10

D2

2.55

2.60

2.65

E

4.90

5.00

5.10

E2

2.55

2.60 2.65

eT

–

0.70

–

eR

–

0.40

–

K

0.45

–

–

L

0.30

0.35

0.40

y

0.00

–

0.075

Package Drawing Contact:

packagedrawings@atmel.com

TITLE

44MC, 44QFN (2-Row Staggered), 5 x 5 x 1.00 mm Body,

2.60 x 2.60 mm Exposed Pad, Quad Flat No Lead Package

9/13/07

DRAWING NO. REV.

44MC

A

21

8011OS–AVR–07/10

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