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74ALS257D 数据表(PDF) 3 Page - NXP Semiconductors

部件名 74ALS257D
功能描述  Data selector/multiplexer
Download  11 Pages
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制造商  PHILIPS [NXP Semiconductors]
网页  http://www.nxp.com
标志 PHILIPS - NXP Semiconductors

74ALS257D 数据表(HTML) 3 Page - NXP Semiconductors

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Philips Semiconductors
Product specification
74ALS257/74ALS258
Data selector/multiplexer
1991 Feb 08
3
LOGIC SYMBOL – 74ALS257
VCC = Pin 16
GND = Pin 8
SF00674
1
15
S
OE
2356
11
10
14
I0a
I1a
I0b
I1b
I0c
I1c
I0d
Ya
Yb
Yc
Yd
479
12
13
I1d
LOGIC SYMBOL – 74ALS258
VCC = Pin 16
GND = Pin 8
SC00080
1
15
S
OE
2356
11
10
14
I0a
I1a
I0b
I1b
I0c
I1c
I0d
Ya
Yb
Yc
Yd
479
12
13
I1d
IEC/IEEE SYMBOL – 74ALS257
SF00675
2
1
15
EN
1
G1
3
4
1
MUX
5
6
7
10
11
9
13
14
12
IEC/IEEE SYMBOL – 74ALS258
SC00081
2
1
15
EN
1
G1
3
4
1
MUX
5
6
7
10
11
9
13
14
12
LOGIC DIAGRAM – 74ALS257
OE
I0a
I1a
I0b
I1b
I0c
I1c
I0d
I1d
S
15
2
3
5611
10
14
13
1
Ya
Yb
Yc
Yd
47
912
VCC = Pin 16
GND = Pin 8
SC00082
LOGIC DIAGRAM – 74ALS258
OE
I0a
I1a
I0b
I1b
I0c
I1c
I0d
I1d
S
15
2
3
5611
10
14
13
1
YaYbYcYd
47
912
VCC = Pin 16
GND = Pin 8
SC00083


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