HEF4531BP Ver la hoja de datos (PDF) - Philips Electronics
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HEF4531BP Datasheet PDF : 4 Pages
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Philips Semiconductors
13-input parity checker/generator
Product specification
HEF4531B
MSI
Fig.3 Logic diagram.
FUNCTION TABLE
INPUTS
I0
I1
I2
I3
I4
I5
I6
I7
I8
I9 I10 I11 I12
LLLLLLLLLLLLL
any odd number of inputs HIGH
any even number of inputs HIGH
HHHHHHHHHHHHH
Notes
1. H = HIGH state (the more positive voltage)
2. L = LOW state (the less positive voltage)
OUTPUT
O
L
H
L
H
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; input transition times ≤ 20 ns
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
425 fi + ∑ (foCL) × VDD2
10
2 400 fi + ∑ (foCL) × VDD2
15
7 700 fi + ∑ (foCL) × VDD2
where
fi = input freq. (MHz)
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
January 1995
3
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