74147 encoder equivalent, priority encoder.
Include:
− Keyboard Encoding − Range Selection
SN54147, SN54LS147 . . . J OR W PACKAGE SN74147, SN74LS147 . . . D OR N P.
ordering information
These TTL encoders feature priority decoding of the inputs to ensure that only the highest-order data line is encoded. The ’147 and ’LS147 devices encode nine data lines to four-line (8-4-2-1) BCD. The implied decimal zero condit.
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