參數(shù)資料
型號: MM74HCT193J
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: CLAMP
中文描述: HCT SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16
封裝: CERAMIC, DIP-16
文件頁數(shù): 5/9頁
文件大?。?/td> 146K
代理商: MM74HCT193J
Logic Waveforms
’HCT193 Synchronous Binary Counters
Typical Clear, Load, and Count Sequences
TL/F/5742–3
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.
5
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