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參數資料
| 型號： | MC74HC646N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal 3-State Bus Transeceivers and D Flip-Flops |
| 中文描述： | HC/UH SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數： | 8/14頁 |
| 文件大小： | 328K |
| 代理商： | MC74HC646N |
MC54/74HC646
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
3–8
Figure 3. A Data Port = Input, B Data Port = Output
Figure 4. B Data Port = Input, A Data Port = Output
OUTPUT ENABLE
DIRECTION
B–TO–A SOURCE
A–TO–B SOURCE
B–TO–A CLOCK
B DATA PORT
OUTPUT ENABLE
DIRECTION
B–TO–A SOURCE
A–TO–B SOURCE
B DATA PORT
A DATA PORT
A DATA PORT
A–TO–B CLOCK
B–TO–A CLOCK
A–TO–B CLOCK
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
VCC
GND
50%
50%
50%
50%
50%
50%
th
th
tw
tw
1/fmax
1/fmax
tPHL
tPLH
tPHL
tPLH
tsu
tsu
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