HEF4027 Philips Semiconductors, HEF4027 Datasheet - Page 3

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

Philips Semiconductors
AC CHARACTERISTICS
V
January 1995
Propagation delays
SS
Dual JK flip-flop
= 0 V; T
CP
S
C
S
D
D
D
HIGH to LOW
LOW to HIGH
LOW to HIGH
HIGH to LOW
HIGH to LOW
O
O
O
O, O
amb
= 25 C; C
L
= 50 pF; input transition times
V
V
DD
10
15
10
15
10
15
10
15
10
15
5
5
5
5
5
t
t
t
t
t
SYMBOL
PHL
PLH
PLH
PHL
PHL
Fig.3 Logic diagram (one flip-flop).
MIN.
3
TYP.
20 ns
105
120
140
40
30
85
35
30
70
30
25
45
35
55
40
MAX.
210 ns
170 ns
140 ns
240 ns
280 ns
110 ns
80 ns
60 ns
70 ns
60 ns
60 ns
50 ns
90 ns
70 ns
80 ns
TYPICAL EXTRAPOLATION
113 ns
78 ns
29 ns
22 ns
58 ns
27 ns
22 ns
43 ns
19 ns
17 ns
93 ns
33 ns
27 ns
44 ns
32 ns
FORMULA
Product specification
HEF4027B
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
flip-flops
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L