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參數(shù)資料
| 型號： | 74LV393PWDH |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | Dual 4-bit binary ripple counter |
| 中文描述： | LV/LV-A/LVX/H SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO14 |
| 封裝： | PLASTIC, SOT-402, TSSOP1-14 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 115K |
| 代理商： | 74LV393PWDH |
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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