DM74LS257 查看數據表（PDF） - Fairchild Semiconductor
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DM74LS257 Datasheet PDF : 5 Pages
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Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
Package Number M16A
www.fairchildsemi.com
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