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參數(shù)資料
| 型號(hào)： | 74ALS251N |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 通用總線功能 |
| 英文描述： | 8-input multiplexer 3-State |
| 中文描述： | ALS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大?。?/td> | 103K |
| 代理商： | 74ALS251N |
Philips Semiconductors
Product specification
74ALS251
8-input multiplexer (3-State)
1991 Feb 08
3
LOGIC DIAGRAM
V
= Pin 16
GND = Pin 8
SC00069
I0
I1
I2
I3
I4
I5
I6
I7
4
3
2
1
15
14
13
12
S2
S1
S0
OE
9
10
11
7
5
6
Y
Y
FUNCTION TABLE
INPUTS
OUTPUTS
S2
S1
S0
OE
Y
Y
X
X
X
H
Z
Z
L
L
L
L
I0
I0
L
L
H
L
I1
I1
L
H
L
L
I2
I2
L
H
H
L
I3
I3
H
L
L
L
I4
I4
H
L
H
L
I5
I5
H
H
L
L
I6
I6
H
H
H
L
I7
I7
H =
L
X =
Z =
High voltage level
Low voltage level
Don’t care
High impedance “off” state
=
ABSOLUTE MAXIMUM RATINGS
(Operation beyond the limit set forth in this table may impair the useful life of the device.
Unless otherwise noted these limits are over the operating free air temperature range.)
SYMBOL
PARAMETER
RATING
UNIT
V
CC
V
IN
I
IN
V
OUT
I
OUT
T
amb
T
stg
Supply voltage
–0.5 to +7.0
V
Input voltage
–0.5 to +7.0
V
Input current
–30 to +5
mA
Voltage applied to output in High output state
–0.5 to V
CC
48
V
Current applied to output in Low output state
mA
Operating free-air temperature range
0 to +70
°
C
°
C
Storage temperature range
–65 to +150
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
LIMITS
UNIT
MIN
NOM
MAX
V
CC
V
IH
V
IL
I
IK
I
OH
I
OL
T
amb
Supply voltage
4.5
5.0
5.5
V
High-level input voltage
2.0
V
Low-level input voltage
0.8
V
Input clamp current
–18
mA
High-level output current
–2.6
mA
Low-level output current
24
mA
Operating free-air temperature range
0
+70
°
C
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 74ALS253 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Dual 4-input multiplexer 3-State |
| 74ALS253D | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Dual 4-input multiplexer 3-State |
| 74ALS253DB | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Dual 4-input multiplexer 3-State |
| 74ALS253N | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Dual 4-input multiplexer 3-State |
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