74HC4520; 74HCT4520 Dual 4-bit synchronous binary .
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74HCT4520D - Dual 4-bit synchronous binary counter
74HC4520; 74HCT4520 Dual 4-bit synchronous binary counter Rev. 6 — 9 October 2020 Product data sheet 1. General description The 74HC4520; 74HCT4520 .