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74HC240 데이터시트(PDF) 2 Page - Silicon Supplies

부품명 74HC240
상세설명  High Speed CMOS Logic
PDF  6 Pages
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제조업체  SS [Silicon Supplies]
홈페이지  https://siliconsupplies.com/
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74HC240 데이터시트(HTML) 2 Page - Silicon Supplies

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High Speed CMOS Logic – 74HC240
Rev 1.1
30/11/21
Pad Layout and Functions
Truth Table
Logic Diagram
INPUTS
OUTPUTS
1OE
2OE
1A, 2A
1Y, 2Y
L
L
H
L
H
X
H
L
Z
H = High level (steady state)
L = Low level (steady state)
X = Don’t care, Z = High impedance
1950µm (76.77 mils)
0,0
COORDINATES (mm)
PAD
FUNCTION
X
Y
1
1OE
0.152
0.636
2
1A1
0.152
0.396
3
2Y4
0.300
0.142
4
1A2
0.470
0.152
5
2Y3
0.868
0.132
6
1A3
1.038
0.152
7
2Y2
1.330
0.132
8
1A4
1.709
0.142
9
2Y1
1.729
0.578
10
GND
1.729
0.812
11
2A1
1.699
1.149
12
1Y4
1.729
1.438
13
2A2
1.719
1.804
14
1Y3
1.301
1.824
15
2A3
1.062
1.804
16
1Y2
0.758
1.804
17
2A4
0.468
1.804
18
1Y1
0.142
1.662
19
2OE
0.142
1.489
20
VCC
0.142
1.005
CONNECT CHIP BACK TO VCC OR FLOAT
Pad 20 = VCC
Pad 10 = GND
15
14
16
17
13
18
19
20
1
2
9
10
11
12
4
5
6
7
3
8
DIE ID
Page 2 of 6
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