MC100E137 counter equivalent, 8-bit ripple counter.
XORed enable inputs, EN1 and EN2, which are synchronous to the
PLCC−28 FN SUFFIX CASE 776−02
CLK input. When only one synchronous enable is asserted the counter
MARKIN.
The asynchronous enable input, A_Start, when asserted enables the counter while overriding any synchronous enable signa.
The MC10E/100E137 is a very high speed binary ripple counter. The
two least significant bits were designed with very fast edge rates while
the more significant bits maintain standard ECLinPS™ output edge rates. This allows the counter to operate a.
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