128 pin qfp/qn package outline (3.9 mm footprint) min nominal max remarks a ~ ~ 3.40 overall package height a1 0.05 ~ 0.50 standoff a2 2.55 ~ 3.05 package body thickness d 23.70 23.90 24.10 "x" span d1 19.90 20.00 20.10 "x" body size e 17.70 17.90 18.10 "y" span e1 13.90 14.00 14.10 "y" body size l 0.73 0.88 1.03 lead foot length l1 1.95 ref lead length b 0.10 ~ 0.30 lead width c 0.09 ~ 0.20 lead thickness e 0.50 bsc lead pitch r1 0.13 ~ ~ lead shoulder radius r2 0.13 ~ 0.30 lead foot radius ccc ~ ~ 0.08 coplanarity notes: 1. all dimensions are in millimeters. 2. true position spread tolerance of each lead is 0.04mm at maximum material condition. 3. dimensions "d1" and "e1" do not include mold protrusions. maximum protrusion is 0.25mm per side. 4. dimensions "l" is measured at the gauge plane, 0.25mm above the seating plane "c". 5. details of pin 1 identifier are optional, but must be located within the zone indicated. 6. provided for reference only - contact your smsc regional sales office for latest information. r1 4 l gauge plane 0-7 0.25 detail "a" (scale: 3/1) l1 r2 3 2 b 5 top view e e d1/4 3 e1 e1/4 d d1 c ccc c a a1 side view 3-d view c a2 see detail "a" seating plane rev. 8/23/05 80 arkay drive hauppauge, ny 11788 (631) 435-6000 fax (631) 273-3123
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