M74HC4520 counter equivalent, (m74hc4518 / m74hc4520) dual counter.
The M54/74HC4518/4520 are high speed CMOS DUAL 4 BIT BINARY COUNTERS fabricated in sili2 con gate C MOS technology. They have the same high speed performance of LSTTL combined with true CMOS low power consumption. They consists of two identical inter.
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