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HD74AC393 - Dual Modulo-16-Counter

Description

The HD74AC393 contains a pair of high speed 4-stage ripple counters.

Each half of the HD74AC393 operates as a modulo-16 binary divider, with the last three stages triggered in a ripple fashion.

The flipflops are triggered by a High-to-Low transition of their CP inputs.

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Part Number Description Manufacturer
HD74AC393 Dual Modulo-16-Counter Renesas
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Other Datasheets by Hitachi Semiconductor (now Renesas)

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HD74AC32 Quad 2-Input OR Gate
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Full PDF Text Transcription

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HD74AC393 Dual Modulo-16-Counter Description The HD74AC393 contains a pair of high speed 4-stage ripple counters. Each half of the HD74AC393 operates as a modulo-16 binary divider, with the last three stages triggered in a ripple fashion. The flipflops are triggered by a High-to-Low transition of their CP inputs. Each half of each circuit type has a Master Reset input which responds to a High signal by forcing all four outputs to the Low state.
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