參數(shù)資料
型號: 74LV393
廠商: NXP Semiconductors N.V.
元件分類: 通用總線功能
英文描述: Dual 4-bit binary ripple counter(雙通道4位二進(jìn)制紋波計(jì)數(shù)器)
中文描述: 雙4位二進(jìn)制紋波計(jì)數(shù)器(雙通道4位二進(jìn)制紋波計(jì)數(shù)器)
文件頁數(shù): 6/12頁
文件大?。?/td> 115K
代理商: 74LV393
Philips Semiconductors
Product specification
74LV393
Dual 4-bit binary ripple counter
1998 Jun 10
6
AC CHARACTERISTICS
GND = 0V; t
r
= t
f
2.5ns; C
L
= 50pF; R
L
= K
CONDITION
LIMITS
SYMBOL
PARAMETER
WAVEFORM
–40 to +85
°
C
TYP
1
75
–40 to +125
°
C
MIN
UNIT
V
CC
(V)
1.2
MIN
MAX
MAX
t
PHL/
t
PLH
Propagation delay
nCP to nQ
0
Figure 1
2.0
26
49
60
ns
y
2.7
19
14
2
36
44
3.0 to 3.6
29
35
1.2
25
t
PHL/
t
PLH
Propagation delay
nQn to nQn+1
Figure 1
2.0
9
17
20
ns
y
2.7
6
5
2
13
15
3.0 to 3.6
10
12
1.2
70
t
PHL
Propagation delay
nMR to nQn
Figure 2
2.0
24
44
54
ns
y
2.7
18
13
2
33
40
3.0 to 3.6
26
32
Clock
HIGH or LOW
l
idth
2.0
34
10
41
t
W
Figure 1
2.7
25
8
6
2
30
ns
3.0 to 3.6
20
24
Mast
width; HIGH
width HIGH
t
l
2.0
34
12
41
t
W
Figure 2
2.7
25
9
7
2
30
ns
3.0 to 3.6
20
24
1.2
5
t
rem
Removal time
nMR to nCP
Figure 2
2.0
5
2
5
ns
2.7
5
2
1
2
5
3.0 to 3.6
5
5
Maxi
pulse frequency
l
k
2.0
14
53
12
f
max
Figure 1
2.7
19
24
72
90
2
16
20
MHz
3.0 to 3.6
NOTES:
1. All typical values are measured at T
amb
= 25
°
C
2. Typical values are measured at V
CC
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