參數(shù)資料
型號(hào): HEF4024B
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: 7-stage binary counter(7級(jí)二進(jìn)制計(jì)數(shù)器(MSI))
中文描述: 7級(jí)二進(jìn)制計(jì)數(shù)器(7級(jí)二進(jìn)制計(jì)數(shù)器(微星))
文件頁(yè)數(shù): 4/5頁(yè)
文件大小: 42K
代理商: HEF4024B
January 1995
4
Philips Semiconductors
Product specification
7-stage binary counter
HEF4024B
MSI
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
20 ns; see also waveforms Fig.4
V
DD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL
EXTRAPOLATION
FORMULA
Propagation delays
CP
O
0
HIGH to LOW
5
100
40
25
105
45
30
60
25
20
50
20
15
120
45
30
60
30
20
60
30
20
30
15
10
40
20
15
10
200
75
50
210
85
60
120
50
40
100
40
30
240
90
60
120
60
40
120
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
ns
MHz
MHz
MHz
73 ns
+
29 ns
+
17 ns
+
78 ns
+
34 ns
+
22 ns
+
33 ns
+
14 ns
+
12 ns
+
23 ns
+
9 ns
+
7 ns
+
93 ns
+
34 ns
+
22 ns
+
10 ns
+
9 ns
+
6 ns
+
10 ns
+
9 ns
+
6 ns
+
(0,55 ns/pF) C
L
(0,23 ns/pF) C
L
(0,16 ns/pF) C
L
(0,55 ns/pF) C
L
(0,23 ns/pF) C
L
(0,16 ns/pF) C
L
(0,55 ns/pF) C
L
(0,23 ns/pF) C
L
(0,16 ns/pF) C
L
(0,55 ns/pF) C
L
(0,23 ns/pF) C
L
(0,16 ns/pF) C
L
(0,55 ns/pF) C
L
(0,23 ns/pF) C
L
(0,16 ns/pF) C
L
(1,0 ns/pF) C
L
(0,42 ns/pF) C
L
(0,28 ns/pF) C
L
(1,0 ns/pF) C
L
(0,42 ns/pF) C
L
(0,28 ns/pF) C
L
10
15
5
10
15
5
10
15
5
10
15
5
10
15
t
PHL
LOW to HIGH
t
PLH
O
n
O
n
+
1
HIGH to LOW
t
PHL
LOW to HIGH
t
PLH
MR
O
n
HIGH to LOW
t
PHL
Output transition times
HIGH to LOW
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
t
THL
LOW to HIGH
t
TLH
Minimum clock
pulse width; HIGH
60
30
20
80
35
25
20
15
15
5
13
18
t
WCPH
Minimum MR
pulse width; HIGH
t
WMRH
Recovery time
for MR
t
RMR
5
5
Maximum clock
pulse frequency
10
25
35
f
max
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