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參數(shù)資料
| 型號： | 74ALS258 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Data selector/multiplexer |
| 中文描述： | 數(shù)據(jù)選擇器/多路 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大?。?/td> | 129K |
| 代理商： | 74ALS258 |
Philips Semiconductors
Product specification
74ALS257/74ALS258
Data selector/multiplexer
1991 Feb 08
6
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST CONDITION
T
amb
= 0
°
C to +70
°
C
V
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
UNIT
MIN
MAX
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation delay
I0n or I1n to Yn
Waveform 1
2.0
2.0
9.0
9.0
ns
Propagation delay
S to Yn
74ALS257
Waveform 1, 2
4.0
4.0
12.0
12.0
ns
Output enable time
OE to Yn
Waveform 3
Waveform 4
3.0
4.0
11.0
12.0
ns
Output disable time
OE to Yn
Waveform 3
Waveform 4
2.0
5.0
9.0
12.0
ns
Propagation delay
I0n or I1n to Yn
Waveform 1
2.0
2.0
8.0
8.0
ns
Propagation delay
S to Yn
74ALS258
Waveform 1, 2
4.0
4.0
12.0
12.0
ns
Output enable time
OE to Yn
Waveform 3
Waveform 4
3.0
4.0
11.0
12.0
ns
Output disable time
OE to Yn
Waveform 3
Waveform 4
2.0
5.0
9.0
12.0
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.3V.
V
M
V
M
V
M
V
M
t
PHL
t
PLH
I0n, I1n, S
Yn, Yn
SC00059
Waveform 1.
Propagation Delay for Data and
Select to Outputs
V
M
V
M
V
M
V
M
t
PLH
t
PHL
I0n, I1n, S
Yn, Yn
SC00060
Waveform 2.
Propagation Delay for Data and
Select to Outputs
V
M
V
M
V
M
t
PHZ
t
PZH
OE
Yn, Yn
V
OH
-0.3V
0V
SC00084
Waveform 3.
3-State Output Enable Time to High Level
and Output Disable Time from High Level
V
M
V
M
V
M
t
PLZ
t
PZL
OEn
Yn, Yn
V
OL
+0.3V
SC00085
3.5V
Waveform 4.
3-State Output Enable Time to Low Level
and Output Disable Time from Low Level
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74ALS257DB | Data selector/multiplexer |
| 74ALS257 | Data selector/multiplexer |
| 74ALS257D | Data selector/multiplexer |
| 74ALS257N | Data selector/multiplexer |
| 74ALS258D | Data selector/multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74ALS258D | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Data selector/multiplexer |
| 74ALS258DB | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Data selector/multiplexer |
| 74ALS258N | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| 74ALS27 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Triple 3-Input NOR gate |
| 74ALS273 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal D-type flip-flop |
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