a 44-Lead Plastic Leaded Chip Carrier [PLCC] (P-44A) Dimensions shown in inches and (millimeters) 0.180 (4.57) 0.165 (4.19) 0.048 (1.22) 0.042 (1.07) 0.056 (1.42) 0.042 (1.07) 6 0.048 (1.22) 0.042 (1.07) 7 PIN 1 IDENTIFIER 40 39 17 0.021 (0.53) 0.013 (0.33) 0.050 (1.27) BSC TOP VIEW (PINS DOWN) 0.656 (16.66) SQ 0.650 (16.51) 0.630 (16.00) 0.590 (14.99) 0.032 (0.81) 0.026 (0.66) 29 28 18 0.020 (0.51) MIN 0.120 (3.05) 0.090 (2.29) 0.040 (1.02) 0.025 (0.64) 0.695 (17.65) SQ 0.685 (17.40) COMPLIANT TO JEDEC STANDARDS MO-047AC CONTROLLING DIMENSIONS ARE IN INCHES; MILLIMETER DIMENSIONS (IN PARENTHESES) ARE ROUNDED-OFF INCH EQUIVALENTS FOR REFERENCE ONLY AND ARE NOT APPROPRIATE FOR USE IN DESIGN BOTTOM VIEW (PINS UP)