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M54HC85K1 Datasheet(PDF) 2 Page - STMicroelectronics

No. de pieza M54HC85K1
Descripción Electrónicos  RAD HARD 4-BIT MAGNITUDE COMPARATOR
PDF  10 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC85K1 Datasheet(HTML) 2 Page - STMicroelectronics

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Figure 1: IEC Logic Symbols
Figure 2: Input And Output Equivalent Circuit
Table 1: Pin Description
Table 2: Truth Table
X : Don’t Care
PIN N°
SYMBOL
NAME AND FUNCTION
2
INA<B
A<B Expansion Input
3
INA=B
A=B Expansion Input
4
INA>B
A>B Expansion Input
5
OUTA>B
A>B Expansion Output
6
OUTA=B
A=B Expansion Output
7
OUTA<B
A<B Expansion Output
9, 11, 14, 1
B0 to B3
Word B Inputs
10, 12, 13,
15
A0 to A3
Word A Inputs
8
GND
Ground (0V)
16
VCC
Positive Supply Voltage
COMPARING INPUTS
CASCADING INPUTS
OUTPUTS
A>B
A<B
A=B
A>B
A<B
A=B
A3 > B3
X
X
X
XXXH
L
L
A3 = B3
A2 > B2
X
X
XXXH
L
L
A3 = B3
A2 = B2
A1 > B1
X
XXXH
L
L
A3 = B3
A2 = B2
A1 = B1
A0 > B0
XXXH
L
L
A3 = B3
A2 = B2
A1 = B1
A0 = B0
LLL
H
H
L
XX
H
L
L
H
LHL
L
HL
HL
L
H
L
L
H
H
L
LLL
A3 = B3
A2 = B2
A1 = B1
A0 < B0
X
X
X
L
H
L
A3 = B3
A2 = B2
A1 > B1
X
X
X
X
L
H
L
A3 = B3
A2 < B2
X
X
XXX
L
H
L
A3 < B3
X
X
X
XXX
L
H
L



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