Package Information 8-pin SOP (150mil) Outline Dimensions for Thermally Enhanced Variations Only (Exposed Pad) Symbol A Dimensions in inch Min. Nom. Max. — 0.236 BSC — B — 0.154 BSC — C 0.012 — 0.020 C′ — 0.193 BSC — D — — 0.069 D1 0.059 — — E — 0.050 BSC — E2 0.039 — — F 0.004 — 0.010 G 0.016 — 0.050 H 0.004 — 0.010 α 0° — 8° Symbol Dimensions in mm Min. Nom. Max. — A — 6.0 BSC B — 3.9 BSC — C 0.31 — 0.51 C′ — 4.9 BSC — D — — 1.75 D1 1.50 — — E — 1.27 BSC — E2 1.00 — — F 0.10 — 0.25 G 0.40 — 1.27 H 0.10 — 0.25 α 0° — 8° http://www.holtek.com.tw/pdf/guide.pdf June 04, 2015