MC74HC373A データシートの表示（PDF） - ON Semiconductor
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MC74HC373A Datasheet PDF : 10 Pages
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MC74HC373A
LOGIC DIAGRAM
DATA
INPUTS
D0 3
D1 4
D2 7
D3 8
D4 13
D5 14
D6 17
D7 18
LATCH ENABLE 11
OUTPUT ENABLE 1
2 Q0
5 Q1
6 Q2
9 Q3
12 Q4
15 Q5
16 Q6
19 Q7
NONINVERTING
OUTPUTS
PIN 20 = VCC
PIN 10 = GND
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Design Criteria
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Internal Gate Count*
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Internal Gate Propagation Delay
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Internal Gate Power Dissipation
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Speed Power Product
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ *Equivalent to a two−input NAND gate.
Value
46.5
1.5
5.0
0.0075
Units
ea
ns
mW
pJ
PIN ASSIGNMENT
OUTPUT 1
ENABLE
Q0 2
D0 3
D1 4
Q1 5
Q2 6
D2 7
D3 8
Q3 9
GND 10
20 VCC
19 Q7
18 D7
17 D6
16 Q6
15 Q5
14 D5
13 D4
12 Q4
11 LATCH
ENABLE
FUNCTION TABLE
Inputs
Output
Output Latch
Enable Enable D
Q
L
H
H
L
H
L
L
L
X
H
X
X
X = Don’t Care
Z = High Impedance
H
L
No Change
Z
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