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參數(shù)資料
| 型號： | MM74C193N |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Synchronous 4-Bit Up/Down Decade Counter . Synchronous 4-Bit Up/Down Binary Counter |
| 中文描述： | CMOS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, MS-001, DIP-16 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大?。?/td> | 62K |
| 代理商： | MM74C193N |
www.fairchildsemi.com
4
M
Timing Diagrams
MM74C192
Note A: Clear outputs to zero.
Note B:
Load (preset) to binary thirteen.
Note C:
Count up to fourteen, fifteen, carry, zero, one and two.
Note D:
Count down to one, zero, borrow, fifteen, fourteen, and thirteen.
MM74C193
Note A: Clear outputs to zero.
Note B:
Load (preset) to BCD seven.
Note C:
Count up to eight, nine, carry, zero, one, and two.
Note D:
Count down to one, zero, borrow, nine, eight, and seven.
Note E:
Clear overrides load, data, and count inputs.
Note F:
When counting up, count down input must be HIGH; when counting down, count-up input must be HIGH.
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