Datasheet

January 1995 5
Philips Semiconductors Product specification
Dual D-type flip-flop
HEF4013B
flip-flops
AC CHARACTERISTI CS
V
SS
=0V; T
amb
=25°C; C
L
= 50 pF; input transition times ≤ 20 ns
V
DD
V
SYMBOL MIN. TYP. MAX.
Set-up time 5 40 20 ns
see also waveforms
Figs 4 and 5
D → CP 10 t
su
25 10 ns
15 15 5 ns
Hold time 5 20 0 ns
D → CP 10 t
hold
20 0 ns
15 15 0 ns
Minimum clock 5 60 30 ns
pulse width; LOW 10 t
WCPL
30 15 ns
15 20 10 ns
Minimum S
D
pulse 5 50 25 ns
width; HIGH 10 t
WSDH
24 12 ns
15 20 10 ns
Minimum C
D
pulse 5 50 25 ns
width; HIGH 10 t
WCDH
24 12 ns
15 20 10 ns
Recovery time 5 15 −5ns
for S
D
10 t
RSD
15 0 ns
15 15 0 ns
Recovery time 5 40 25 ns
for C
D
10 t
RCD
25 10 ns
15 25 10 ns
Maximum clock 5 7 14 MHz
pulse frequency 10 f
max
14 28 MHz
15 20 40 MHz
V
DD
V
TYPICAL FORMULA FOR P (µW)
Dynamic power 5 850 f
i
+∑(f
o
C
L
) × V
DD
2
where
dissipation per 10 3 600 f
i
+∑(f
o
C
L
) × V
DD
2
f
i
= input freq. (MHz)
package (P) 15 9 000 f
i
+∑(f
o
C
L
) × V
DD
2
f
o
= output freq. (MHz)
C
L
= total load cap. (pF)
∑ (f
o
C
L
) = sum of outputs
V
DD
= supply voltage (V)