HEC4013D 查看數據表（PDF） - Philips Electronics
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HEC4013D Datasheet PDF : 7 Pages
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Philips Semiconductors
Dual D-type flip-flop
AC CHARACTERISTI CS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP.
Set-up time
D → CP
Hold time
D → CP
Minimum clock
pulse width; LOW
Minimum SD pulse
width; HIGH
Minimum CD pulse
width; HIGH
Recovery time
for SD
Recovery time
for CD
Maximum clock
pulse frequency
5
40
20
10
tsu
25
10
15
15
5
5
20
0
10
thold
20
0
15
15
0
5
60
30
10
tWCPL
30
15
15
20
10
5
50
25
10
tWSDH
24
12
15
20
10
5
50
25
10
tWCDH
24
12
15
20
10
5
15
−5
10
tRSD
15
0
15
15
0
5
40
25
10
tRCD
25
10
15
25
10
5
7
14
10
fmax
14
28
15
20
40
MAX.
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
Product specification
HEF4013B
flip-flops
see also waveforms
Figs 4 and 5
Dynamic power
dissipation per
package (P)
VDD
V
TYPICAL FORMULA FOR P (µW)
5
850 fi + ∑ (foCL) × VDD 2
where
10
3 600 fi + ∑ (foCL) × VDD 2
fi = input freq. (MHz)
15
9 000 fi + ∑ (foCL) × VDD 2
fo = output freq. (MHz)
CL = total load cap. (pF)
∑ (foCL) = sum of outputs
VDD = supply voltage (V)
January 1995
5
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