HEC4031B Ver la hoja de datos (PDF) - Philips Electronics
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HEC4031B Datasheet PDF : 7 Pages
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Philips Semiconductors
64-stage static shift register
Product specification
HEF4031B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Set-up times
DA , DB → CP
A/B → CP
Hold times
DA, DB → CP
A/B → CP
Minimum clock
pulse width;
LOW
Maximum clock
pulse frequency
5
10
tsu
15
5
10
tsu
15
5
10
thold
15
5
10
thold
15
5
10
tWCPL
15
5
10
fmax
15
25 0
25 −5
10 −10
30 10
15 0
10 −5
40 10
40 10
40 10
40 10
40 10
40 10
180 90
70 35
50 25
2,5 5
7 14
10 20
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
TYPICAL EXTRAPOLATION
FORMULA
see also waveforms Fig.4
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
4000 fi + ∑ (foCL) × VDD 2
10
19 000 fi + ∑ (foCL) × VDD 2
15
54 000 fi + ∑ (foCL) × VDD 2
where
fi = input freq. (MHz)
fo = output freq. (MHz)
CL =load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
January 1995
5
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