ATMEGA1284_14 Datasheet, PDF (25/34 Pages) ATMEL Corporation – 8-bit Atmel Microcontroller with 16/32/64/128K Bytes

10. Packaging information
10.1 44A
PIN 1 IDENTIFIER
PIN 1
e
D1
D
B
E1 E
C _0°~7°
A1 A2
L
Notes:
1. This package conforms to JEDEC reference MS-026, Variation ACB.
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.
A
COMMON DIMENSIONS
(Unit of Measure = mm)
SYMBOL MIN
A
–
A1
0.05
A2
0.95
D
11.75
D1
9.90
E
11.75
E1
9.90
B
0.30
C
0.09
L
0.45
e
NOM MAX
–
1.20
–
0.15
1.00
1.05
12.00 12.25
10.00 10.10
12.00 12.25
10.00 10.10
0.37
0.45
(0.17) 0.20
0.60
0.75
0.80 TYP
NOTE
Note 2
Note 2
44A, 44-lead, 10 x 10mm body size, 1.0mm body thickness,
0.8 mm lead pitch, thin profile plastic quad flat package (TQFP)
06/02/2014
44A
C
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P [DATASHEET SUMMARY]
25
Atmel-8272FS-AVR--07/2014