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參數(shù)資料
| 型號： | MC74HC251N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Input Data Selector/Multiplexer with 3-State Outputs |
| 中文描述： | HC/UH SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 213K |
| 代理商： | MC74HC251N |
MC54/74HC251
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
4
SWITCHING WAVEFORMS
Figure 1.
Figure 2.
Figure 3.
VCC
GND
tf
tr
INPUT D
OUTPUT Y
10%
90%
10%
90%
tTLH
tPLH
tPHL
tTHL
tr
tf
VCC
GND
INPUT D
OUTPUT Y
tPHL
tPLH
tTLH
tTHL
10%
590%
10%
50%
VCC
GND
50%
INPUT A
tPLH
tPHL
50%
OUTPUT
Y OR Y
Figure 4.
VALID
VALID
OUTPUT
ENABLE
Y OR Y
Y OR Y
50%
50%
50%
90%
10%
tPZL
tPLZ
tPZH
tPHZ
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
TEST CIRCUITS
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 5.
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 6.
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
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相關代理商/技術參數(shù) |
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|---|---|
| MC74HC253D | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| MC74HC253N | 制造商:Motorola Inc 功能描述: |
| MC74HC257D | 制造商:Motorola Inc 功能描述: |
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