ATMEGA1284 Ver la hoja de datos (PDF) - Atmel Corporation

Número de pieza

componentes Descripción

Fabricante

ATMEGA1284

8-bit AVR Microcontroller with 16/32/64/128K Bytes In-System Programmable Flash

Atmel Corporation 

9.3 44M1

164A/164PA/324A/324PA/644A/644PA/1284/1284P

D

Marked Pin# 1 ID

E

TOP VIEW

K

L

D2

Pin #1 Corner

SEATING PLANE

A1

A3

A

SIDE VIEW

1

Option A Pin #1

Triangle

2

3

E2

Option B

Pin #1

Chamfer

(C 0.30)

K

b

e

BOTTOM VIEW

Option C

Pin #1

Notch

(0.20 R)

Note: JEDEC Standard MO-220, Fig. 1 (SAW Singulation) VKKD-3.

SYMBOL

A

A1

A3

b

D

D2

E

E2

e

L

K

COMMON DIMENSIONS

(Unit of Measure = mm)

MIN

0.80

–

0.18

6.90

5.00

6.90

5.00

0.59

0.20

NOM

0.90

0.02

0.20 REF

0.23

7.00

5.20

7.00

5.20

0.50 BSC

0.64

0.26

MAX

1.00

0.05

0.30

7.10

5.40

7.10

5.40

0.69

0.41

NOTE

Package Drawing Contact:

packagedrawings@atmel.com

TITLE

44M1, 44-pad, 7 x 7 x 1.0 mm Body, Lead

Pitch 0.50 mm, 5.20 mm Exposed Pad, Thermally

Enhanced Plastic Very Thin Quad Flat No

Lead Package (VQFN)

GPC

9/26/08

DRAWING NO. REV.

ZWS

44M1

H

27

8272AS–AVR–01/10

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