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 National Semiconductor May 1989 coo *< s DM54LS190/DM74LS190, DM54LS191/DM74LS191 Synchronous 4-Bit Up/Down Counters with Mode Control General Description These circuits are synchronous, rev
Datasheet Type
Scan
RoHS
No
Pb Free
Unknown
Lifecycle
Obsolete
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DM54LS190J
DM54LS190W
DM54LS191J
DM54LS191W
DM74LS190M
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DM74LS191N
LS190
LS191