Logic Waveforms

’HC192 Synchronous Decade Counters

Typical Clear Load and Count Sequences

TLF5011 – 4

Sequences

(1) Clear outputs to zero

(2) Load (preset) to BCD seven

(3) Count up to eight nine carry zero one and two

(4) Count down to one zero borrow nine eight and seven

’HC193 Synchronous Binary Counters

Typical Clear Load and Count Sequences

TLF5011 – 5

Sequence

(1) Clear outputs to zero

(2) Load (preset) to binary thirteen

(3) Count up to fourteen fifteen carry zero one and two

(4) Count down to one zero borrow fifteen fourteen and thirteen

Note A

Clear overrides load data and count inputs

Note B

When counting up count-down input must be high when counting down count-up input must be high

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