atmega644v ATMEL Corporation, atmega644v Datasheet - Page 15
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atmega644v
Manufacturer Part Number
atmega644v
Description
Atmega644 8-bit Avr Microcontroller With 64k Bytes In-system Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.ATMEGA644V.pdf
(22 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
atmega644v-10AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Part Number:
atmega644v-10MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
7. Packaging Information
7.1
2593MS–AVR–08/07
Notes:
44A
R
2325 Orchard Parkway
San Jose, CA 95131
1. This package conforms to JEDEC reference MS-026, Variation ACB.
2. Dimensions D1 and E1 do not include mold protrusion. Allowable
3. Lead coplanarity is 0.10 mm maximum.
C
protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum
plastic body size dimensions including mold mismatch.
e
PIN 1
0˚~7˚
L
PIN 1 IDENTIFIER
TITLE
44A, 44-lead, 10 x 10 mm Body Size, 1.0 mm Body Thickness,
0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP)
D1
D
B
E1
A1
E
A2
SYMBOL
A
A
A1
A2
D
D1
E
E1
B
C
L
e
11.75
11.75
0.30
0.05
9.90
9.90
0.09
0.45
COMMON DIMENSIONS
0.95
MIN
(Unit of Measure = mm)
–
0.80 TYP
12.00
10.00
12.00
10.00
NOM
1.00
–
–
–
–
–
DRAWING NO.
ATmega644
12.25
10.10
12.25
10.10
MAX
1.20
0.15
1.05
0.45
0.20
0.75
44A
10/5/2001
Note 2
Note 2
NOTE
REV.
B
15