HEF4027 Philips Semiconductors, HEF4027 Datasheet - Page 4

• Manufacturer Part Number: HEF4027
• Description: Dual JK flip-flop
• Manufacturer: Philips Semiconductors

Philips Semiconductors
January 1995
Output transition times
Set-up time
Hold time
Minimum clock
Minimum S
Recovery time
Maximum clock
Dynamic power
Dual JK flip-flop
C
J,K
J,K
pulse width; LOW
pulse width; HIGH
for S
pulse frequency
J = K = HIGH
dissipation per
package (P)
D
LOW to HIGH
HIGH to LOW
LOW to HIGH
D
, C
O
CP
CP
D
, C
D
D
V
V
V
V
DD
10
15
DD
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
10
15
5
5
5
5
5
5
5
5
5
5
t
t
t
t
t
t
t
t
t
t
f
SYMBOL
PLH
THL
TLH
su
hold
WCPL
WSDH,
WCDH
RSD,
RCD
max
TYPICAL FORMULA FOR P ( W)
13 200 f
4 500 f
MIN.
900 f
50
30
20
25
20
15
80
30
24
90
40
30
20
15
10
12
15
4
i
i
i
4
TYP.
(f
(f
(f
75
35
25
60
30
20
60
30
20
25
10
40
15
12
45
20
15
15
10
25
30
o
o
o
5
0
0
5
5
8
C
C
C
L
L
L
)
)
)
MAX.
V
V
V
DD
DD
DD
150 ns
120 ns
120 ns
70 ns
50 ns
60 ns
40 ns
60 ns
40 ns
2
2
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
where
f
f
C
V
TYPICAL EXTRAPOLATION
i
o
DD
= input freq. (MHz)
L
= output freq. (MHz)
(f
see also waveforms
Figs 4 and 5
see also waveforms
Fig.4
= load capacitance (pF)
o
48 ns
24 ns
17 ns
10 ns
10 ns
C
= supply voltage (V)
9 ns
6 ns
9 ns
6 ns
L
) = sum of outputs
FORMULA
Product specification
HEF4027B
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
(1,0 ns/pF) C
(1,0 ns/pF) C
flip-flops
L
L
L
L
L
L
L
L
L