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L9945 데이터시트(PDF) 141 Page - STMicroelectronics |
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L9945 데이터시트(HTML) 141 Page - STMicroelectronics |
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141 / 151 page ![]() 7 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 7.1 TQFP64 (10x10x1 mm exp. pad down) package information Figure 40. TQFP64 (10x10x1 mm exp. pad down) package outline SECTION B-B S L b1 c c1 (b) (L1) R1 R2 GAUGE PLANE θ 7278840_Rev9.0_PkgCode_9I D N (N-4) x 1 2 3 D1 E E1 D A A A (see SECTION A-A) A A2 A1 C H ccc C e b D2 D3 E3 E2 D1/4 E1/4 B 4x N/4 TIPS 4x D1/4 E1/4 ─ 0.05 aaa C A-B D bbb H A-B D A M D GAPGPS03451 BOTTOM VIEW SECTION A-A WITH PLATING θ2 θ1 θ3 BASE METAL ddd TOP VIEW L9945 Package information DS12275 - Rev 8 page 141/151 |
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