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MC74ACT245 Datasheet(PDF) 8 Page - ON Semiconductor |
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MC74ACT245 Datasheet(HTML) 8 Page - ON Semiconductor |
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8 / 12 page  MC74AC245, MC74ACT245 http://onsemi.com 8 PACKAGE DIMENSIONS TSSOP–20 DT SUFFIX 20 PIN PLASTIC TSSOP PACKAGE CASE 948E–02 ISSUE A DIM A MIN MAX MIN MAX INCHES 6.60 0.260 MILLIMETERS B 4.30 4.50 0.169 0.177 C 1.20 0.047 D 0.05 0.15 0.002 0.006 F 0.50 0.75 0.020 0.030 G 0.65 BSC 0.026 BSC H 0.27 0.37 0.011 0.015 J 0.09 0.20 0.004 0.008 J1 0.09 0.16 0.004 0.006 K 0.19 0.30 0.007 0.012 K1 0.19 0.25 0.007 0.010 L 6.40 BSC 0.252 BSC M 0 8 0 8 __ _ _ NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.25 (0.010) PER SIDE. 5. DIMENSION K DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE K DIMENSION AT MAXIMUM MATERIAL CONDITION. 6. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 7. DIMENSION A AND B ARE TO BE DETERMINED AT DATUM PLANE -W-. 110 11 20 PIN 1 IDENT A B –T– 0.100 (0.004) C D G H SECTION N–N K K1 JJ1 N N M F –W– SEATING PLANE –V– –U– S U M 0.10 (0.004) V S T 20X REF K L L/2 2X S U 0.15 (0.006) T DETAIL E 0.25 (0.010) DETAIL E 6.40 0.252 --- --- S U 0.15 (0.006) T EIAJ–20 M SUFFIX 20 PIN PLASTIC EIAJ PACKAGE CASE 967–01 ISSUE O DIM MIN MAX MIN MAX INCHES --- 2.05 --- 0.081 MILLIMETERS 0.05 0.20 0.002 0.008 0.35 0.50 0.014 0.020 0.18 0.27 0.007 0.011 12.35 12.80 0.486 0.504 5.10 5.45 0.201 0.215 1.27 BSC 0.050 BSC 7.40 8.20 0.291 0.323 0.50 0.85 0.020 0.033 1.10 1.50 0.043 0.059 0 0.70 0.90 0.028 0.035 --- 0.81 --- 0.032 A1 HE Q1 LE _ 10_ 0 _ 10_ NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS AND ARE MEASURED AT THE PARTING LINE. MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 5. THE LEAD WIDTH DIMENSION (b) DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE LEAD WIDTH DIMENSION AT MAXIMUM MATERIAL CONDITION. DAMBAR CANNOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. MINIMUM SPACE BETWEEN PROTRUSIONS AND ADJACENT LEAD TO BE 0.46 ( 0.018). HE A1 LE Q1 _ c A Z D E 20 110 11 b M 0.13 (0.005) e 0.10 (0.004) VIEW P DETAIL P M L A b c D E e L M Z |
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