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TMS320 bảng dữ liệu(PDF) 57 Page - Texas Instruments |
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TMS320 bảng dữ liệu(HTML) 57 Page - Texas Instruments |
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57 / 70 page ![]() ALL LINEAR DIMENSIONS ARE IN MILLIMETERS AND PARENTHETICALLY IN INCHES RJA Junction-to-free-air thermal resistance 49 C/W RJC Junction-to-case thermal resistance 8 C/W PARAMETER MAX UNIT Thermal Resistance Characteristics (see Note 1) A (see Note 2) B B A (see Note 2) 1,02 (0.040) 45 0,64 (0.025) R Max 3 Places 1,27 (0.050) Typ (see Note 3) C (At Seating Plane) 3,05 (0.120) 2,29 (0.090) 4,57 (0.180) 3,94 (0.155) 3,55 (0.140) 3,05 (0.120) 0,51 (0.020) 0,36 (0.014) 0,81 (0.032) 0,66 (0.026) 1,016 (0.040) Min Ref Seating Plane (see Note 4) JEDEC OUTLINE NO. OF TERMINALS TMS320E25 SPRS010B — MAY 1987 — REVISED NOVEMBER 1990 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 57 MECHANICAL DATA 68-lead FZ CER-QUAD, ceramic leaded chip carrier package (TMS320E25 only) This hermetically-sealed chip carrier package consists of a ceramic base, ceramic cap, and a 68-lead frame. Hermetic sealing is accomplished with glass. The FZ package is intended for both socket- or surface- mounting. Having a Sn/Pb ratio of 60/40, the tin/lead-coated leads do not require special cleaning or processing when being surface-mounted. A B C MIN MAX MIN MAX MIN MAX MO-087AA 28 12,32 (0.485) 12,57 (0.465) 10,92 (0.430) 11,56 (0.455) 10,41 (0.410) 10,92 (0.430) MO-087AB 44 17,40 (0.685) 17,65 (0.695) 16,00 (0.630) 16,64 (0.655) 15,49 (0.610) 16,00 (0.630) ------ 68 25,02 (0.985) 25,27 (0.995) 23,62 (0.930) 24,26 (0.955) 23,11 (0.910) 23,62 (0.930) NOTES: 1. Glass is optional, and the diameter is dependent on device application. 2. Centerline of center pin, each side, is within 0,10 (0.004) of package centerline as determined by dimension B. 3. Location of each pin is within 0,127 (0.005) of true position with respect to center pin on each side. 4. The lead contact points are within 0,15 (0.006) of being planar. |
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