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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： | 11/14頁 |
| 文件大?。?/td> | 328K |
| 代理商： | MC74HC646 |
MC54/74HC646
High–Speed CMOS Logic Data
DL129 — Rev 6
3–11
MOTOROLA
VCC
GND
HIGH IMPEDANCE
OUTPUT ENABLE
DIRECTION
DATA PORT A
DATA PORT A
DATA PORT B
DATA PORT B
DATA PORT A = INPUT
DATA PORT B = OUTPUT
DATA PORT A = OUTPUT
DATA PORT B = INPUT
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
OUTPUT ENABLE
OUTPUT A OR B
OUTPUT A OR B
50%
50%
50%
90%
10%
tPZL
tPLZ
tPZH
tPHZ
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
VCC
GND
VOH
HIGH IMPEDANCE
VOL
VOH
HIGH IMPEDANCE
HIGH IMPEDANCE
VOL
Figure 7.
50%
90%
10%
50%
50%
10%
90%
50%
50%
tPHZ
tPLZ
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
Figure 8.
Figure 9. Test Circuit
Figure 10. Test Circuit
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| MC74HC646N | Octal 3-State Bus Transeceivers and D Flip-Flops |
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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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| MC74HC7266AD | 制造商:ON Semiconductor 功能描述: |
| MC74HC7266AF | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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