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參數(shù)資料
| 型號(hào)： | 74LV541 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal buffer/line driver 3-State |
| 中文描述： | 八路緩沖器/線路驅(qū)動(dòng)器三態(tài) |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 113K |
| 代理商： | 74LV541 |
Philips Semiconductors
Product specification
74LV541
Octal buffer/line driver (3-State)
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
–40 to +125
°
C
UNIT
V
CC
(V)
1.2
MIN
MAX
MIN
MAX
–
60
–
–
–
t
PHL/
PLH
t
Propagation delay
A
n
to Y
n
Figure 1
2.0
–
20
39
–
46
ns
y
2.7
–
15
29
–
34
3.0 to 3.6
–
11
2
23
–
27
1.2
–
100
–
–
–
t
PZH/
PZL
t
3-State output enable time
OE
n
to Y
n
Figure 2
2.0
–
34
65
–
77
ns
2.7
–
25
48
–
56
3.0 to 3.6
–
19
2
38
–
45
1.2
–
100
–
–
–
t
PHZ/
PLZ
t
3-State output disable time
OE
n
to Y
n
Figure 2
2.0
–
36
66
–
78
ns
2.7
–
27
21
2
48
–
58
3.0 to 3.6
–
39
–
47
NOTES:
1. Unless otherwise stated, all typical values are at T
amb
= 25
°
C.
2. Typical value measured at V
CC
= 3.3V.
AC WAVEFORMS
V
M
= 1.5V at V
CC
V
M
= 0.5 * V
CC
at V
CC
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
V
X
= V
OL
+ 0.3V at V
CC
2.7V
V
X
= V
OL
+ 0.1V
CC
at V
CC
<
2.7V
V
Y
= V
OH
– 0.3V at V
CC
2.7V
V
Y
= V
OH
– 0.1 V
CC
at V
CC
<
2.7V
2.7V
2.7V
SV00684
V
M
A
n
INPUT
Y
n
OUTPUT
V
M
t
PLH
t
PHL
GND
V
OL
V
1
V
OH
Figure 1. Input (A
n
) to output (Y
n
) propagation delays
SV00685
outputs
disabled
outputs
enabled
outputs
enabled
t
PHZ
t
PZH
t
PZL
t
PLZ
OUTPUT
HIGH-to-OFF
OFF–to-HIGH
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
M
V
M
OE
n
INPUT
V
X
V
OL
V
OH
V
Y
GND
GND
V
CC
V
I
V
M
Figure 2. 3-State enable and disable times
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