ATMEGA640 datasheet(414/436 Pages) MICROCHIP

Part #	ATMEGA640

Description	8-bit Microcontroller with 16/32/64KB In-System Programmable Flash

PDF	436 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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414 / 436 page

414

ATmega640/V-1280/V-1281/V-2560/V-2561/V [DATASHEET]

DS40002211A

36.3 64A

2325 Orchard Parkway

San Jose, CA 95131

TITLE

DRAWING NO.

REV.

64A, 64-lead, 14 x 14mm Body Size, 1.0mm Body Thickness,

0.8mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)

64A

2010-10-20

PIN 1 IDENTIFIER

0°~7°

PIN 1

COMMON DIMENSIONS

(Unit of measure = mm)

SYMBOL

MIN

NOM

MAX

NOTE

Notes:

1.This package conforms to JEDEC reference MS-026, Variation AEB.

2. Dimensions D1 and E1 do not include mold protrusion. Allowable

protrusion is 0.25mm per side. Dimensions D1 and E1 are maximum

plastic body size dimensions including mold mismatch.

3. Lead coplanarity is 0.10mm maximum.

–

1.20

0.05

–

0.15

0.95

1.00

1.05

15.75

16.00

16.25

13.90

14.00

14.10

Note 2

15.75

16.00

16.25

13.90

14.00

14.10

Note 2

0.30

–

0.45

0.09

–

0.20

0.45

–

0.75

0.80 TYP

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