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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)： | 5/11頁 |
| 文件大小： | 129K |
| 代理商： | 74ALS258 |
Philips Semiconductors
Product specification
74ALS257/74ALS258
Data selector/multiplexer
1991 Feb 08
5
DC ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range unless otherwise noted.)
SYMBOL
PARAMETER
TEST CONDITIONS
1
LIMITS
TYP
2
UNIT
MIN
V
CC
– 2
2.4
MAX
V
OH
High level output voltage
High-level output voltage
V
=
±
10%, V
= MAX,
CC
V
IH
= MIN
I
OH
= –0.4mA
I
OH
= MAX
I
OL
= 12mA
I
OL
= 24mA
V
IL
3.2
V
V
O
Low level output voltage
Low-level output voltage
V
= MIN, V
= MAX,
CC
V
IH
= MIN
0.25
0.40
V
IL
0.35
0.50
V
V
IK
I
I
I
IH
I
IL
Input clamp voltage
V
CC
= MIN, I
I
= I
IK
V
CC
= MAX, V
I
= 7.0V
V
CC
= MAX, V
I
= 2.7V
V
CC
= MAX, V
I
= 0.4V
–0.73
–1.5
V
Input current at maximum input voltage
0.1
mA
μ
A
mA
High-level input current
20
Low-level input current
–0.1
I
OZH
Off-state output current,
High-level voltage applied
V
CC
= MAX, V
I
= 2.7V
20
μ
A
I
OZL
Off-state output current,
Low-level voltage applied
Output current
3
V
CC
= MAX, V
I
= 0.4V
–20
μ
A
I
O
V
CC
= MAX, V
O
= 2.25V
–30
–112
mA
I
CCH
I
CCL
I
CCZ
I
CCH
I
CCL
I
CCZ
3
6
mA
74ALS257
V
CC
= MAX
8
12
mA
I
CC
Supply current (total)
9
14
mA
2.5
4
mA
74ALS258
V
CC
= MAX
7
11
mA
9
13
mA
NOTES:
1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type.
2. All typical values are at V
CC
= 5V, T
amb
= 25
°
C.
3. The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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 |
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