Physical Dimensions inches (millimeters)
Ceramic Leadless Chip Carrier Package (E)
Order Number 54LS157LMQB or 54LS158LMQB
NS Package Number E20A
16-Lead Ceramic Dual-In-Line Package (J)
Order Number 54LS157DMQB, 54LS158DMQB, DM54LS157J or DM54LS158J
NS Package Number J16A
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