hef4024b NXP Semiconductors, hef4024b Datasheet - Page 4

• Manufacturer Part Number: hef4024b
• Description: 7-stage Binary Counter
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
January 1995
Propagation delays
Output transition times
Minimum clock
Minimum MR
Recovery time
Maximum clock
SS
7-stage binary counter
= 0 V; T
CP
O
MR
pulse width; HIGH
pulse width; HIGH
for MR
pulse frequency
n
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
HIGH to LOW
HIGH to LOW
LOW to HIGH
O
O
O
amb
n
0
n
= 25 C; C
1
L
= 50 pF; input transition times
V
V
DD
10
15
10
15
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
5
t
t
t
t
t
t
t
t
t
t
f
SYMBOL
PHL
PLH
PHL
PLH
PHL
THL
TLH
WCPH
WMRH
RMR
max
MIN.
60
30
20
80
35
25
20
15
15
13
18
5
4
TYP.
20 ns; see also waveforms Fig.4
100
105
120
40
25
45
30
60
25
20
50
20
15
45
30
60
30
20
60
30
20
30
15
10
40
20
15
10
10
25
35
5
5
MAX.
200
210
120
100
240
120
120
75
50
85
60
50
40
40
30
90
60
60
40
60
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
ns
73 ns
29 ns
17 ns
78 ns
34 ns
22 ns
33 ns
14 ns
12 ns
23 ns
93 ns
34 ns
22 ns
10 ns
10 ns
9 ns
7 ns
9 ns
6 ns
9 ns
6 ns
EXTRAPOLATION
FORMULA
Product specification
TYPICAL
HEF4024B
(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
(1,0 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
(1,0 ns/pF) C
(0,42 ns/pF) C
(0,28 ns/pF) C
MSI
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L