4528B Просмотр технического описания (PDF) - Philips Electronics
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4528B Datasheet PDF : 8 Pages
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Philips Semiconductors
Dual monostable multivibrator
Product specification
HEF4528B
MSI
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; input transition times ≤ 20 ns; Rt = 5 kΩ; Ct = 15 pF
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
4000 fi + ∑ (foCL) × VDD2
where
10
20 000 fi + ∑ (foCL) × VDD2
fi = input freq. (MHz)
15
59 000 fi + ∑ (foCL) × VDD2
fo = output freq. (MHz)
CL = load capacitance (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns; see also waveforms Fig.5.
VDD
V
SYMBOL MIN. TYP. MAX.
Recovery time
for CD
Minimum I0
pulse width; LOW
Minimum I1
pulse width; HIGH
Minimum CD
pulse width; LOW
Set-up time
CD → I0 or I1
Output O pulse
width; HIGH
Output O pulse
width; HIGH
Change in output O
pulse width over
temperature
Change in output O
pulse width over
VDD
5
10
tRCD
15
5
10
tWI0L
15
5
10
tWI1H
15
5
10
tWCDL
15
5
10
tsu
15
5
10
tWOH
15
5
10
tWOH
15
5
10
∆tWO
15
5
10
∆tWO
15
0 −75
0 −30
0 −25
50 25
30 15
20 10
50 25
30 15
20 10
60 30
35 15
25 10
0 −105
0 −40
0 −25
− 235
− 155
− 140
− 5,45
− 4,95
− 4,85
− ±3
− ±2
− ±2
− ±2
− ±1
− ±1
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
to avoid change
in output
ns
ns
ns
note 1
ns
µs
µs
note 2
µs
%
%
note 3
%
%
%
VDD ± 5%
%
January 1995
5
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