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參數(shù)資料
| 型號： | MC74HCT157A |
| 廠商： | Motorola, Inc. |
| 英文描述： | Quad 2-Input Data Selector/Multiplexer with LSTTL-Compatible Inputs |
| 中文描述： | 四2輸入數(shù)據(jù)選擇器/復用器的輸入通道兼容輸入 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大小： | 127K |
| 代理商： | MC74HCT157A |
MC74HCT157A
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
4
INPUT A OR B
Figure 1.
Figure 2.
OUTPUT ENABLE
tPLH
tPHL
tr
tf
VCC
GND
tTHL
tTLH
10%
91.3 V
Figure 3.
OUTPUT Y
SWITCHING WAVEFORMS
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
Figure 4. Test Circuit
tr
tf
3 V
GND
OUTPUT Y
tPHL
tPLH
0.3 V
12.7 V
90%
1.3 V
tTLH
tTHL
tr
tf
3 V
GND
SELECT
OUTPUT Y
tPHL
tPLH
tTLH
tTHL
10%
190%
EXPANDED LOGIC DIAGRAM
4
7
9
12
2
3
5
6
11
10
14
13
A0
B0
A1
B1
A2
B2
A3
B3
Y0
Y1
Y2
Y3
OUTPUT ENABLE
SELECT
DATA
OUTPUTS
NIBBLE
INPUTS
10%
0.3 V
12.7 V
0.3 V
12.7 V
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC74HCT157AN | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| MC74HCT161AN | 制造商:Motorola Inc 功能描述: |
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