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ATMEGA649 데이터시트(PDF) 21 Page - ATMEL Corporation |
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ATMEGA649 데이터시트(HTML) 21 Page - ATMEL Corporation |
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21 / 28 page ![]() 21 ATmega329/3290/649/6490 2552HS–AVR–11/06 64M1 2325 Orchard Parkway San Jose, CA 95131 TITLE DRAWING NO. R REV. 64M1, 64-pad, 9 x 9 x 1.0 mm Body, Lead Pitch 0.50 mm, G 64M1 5/25/06 COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX NOTE A 0.80 0.90 1.00 A1 – 0.02 0.05 b 0.18 0.25 0.30 D D2 5.20 5.40 5.60 8.90 9.00 9.10 8.90 9.00 9.10 E E2 5.20 5.40 5.60 e 0.50 BSC L 0.35 0.40 0.45 Note: 1. JEDEC Standard MO-220, (SAW Singulation) Fig. 1, VMMD. 2. Dimension and tolerance conform to ASMEY14.5M-1994. TOP VIEW SIDE VIEW BOTTOM VIEW D E Marked Pin# 1 ID SEATING PLANE A1 C A C 0.08 1 2 3 K 1.25 1.40 1.55 E2 D2 b e Pin #1 Corner L Pin #1 Triangle Pin #1 Chamfer (C 0.30) Option A Option B Pin #1 Notch (0.20 R) Option C K K 5.40 mm Exposed Pad, Micro Lead Frame Package (MLF) |
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