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參數資料
| 型號： | MC74HC646 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Octal 3-State Bus Transceivers and D Flip-Flops |
| 中文描述： | 八路三態總線收發器和D觸發器 |
| 文件頁數： | 9/14頁 |
| 文件大小： | 328K |
| 代理商： | MC74HC646 |
MC54/74HC646
High–Speed CMOS Logic Data
DL129 — Rev 6
3–9
MOTOROLA
B DATA PORT
A DATA PORT
OUTPUT ENABLE
DIRECTION
INTERNAL QA
(FLIP–FLOP A)
INTERNAL QB
(FLIP–FLOP B)
B–TO–A
SOURCE
A–TO–B
SOURCE
VCC
GND
NOTES:
1. B Data Port (output) changes from the level of the storage flip–flop, QA, to the level of A Data Port (input).
2. B Data Port (output) changes from the level of the A Data Port (input) to the level of the storage flip–flop, QA.
3. The A storage flip–flop, A–to–B Source, and A Data Port (input) have simultaneously changed states.
Figure 5. A Data Port = Input, B Data Port = Output
1
2
3
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
50%
tPLH
tPHL
50%
tPLH
tPHL
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相關代理商/技術參數 |
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| MC74HC646DW | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:ON Semiconductor 功能描述: |
| MC74HC646N | 制造商:ON Semiconductor 功能描述: |
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| MC74HC7266AF | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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