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3.3 V ECL 8-Bit Synchronous Binary Up Counter
MC100EP016A
Description The MC100EP016A is a high−speed synchronous, presettable,
cascadeable 8−bit binary counter. Architecture and operation are the same as the ECLinPS™ family MC100E016 with higher operating speed.
The counter features internal feedback to TC gated by the TCLD (Terminal Count Load) pin. When TCLD is LOW (or left open, in which case it is pulled LOW by the internal pulldowns), the TC feedback is disabled, and counting proceeds continuously, with TC going LOW to indicate an all−one state. When TCLD is HIGH, the TC feedback causes the counter to automatically reload upon TC = LOW, thus functioning as a programmable counter. The Qn outputs do not need to be terminated for the count function to operate properly.