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參數(shù)資料
| 型號： | MC74F157J |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | Supervisors with Programmable Watchdog Window 6-SOT-23 -40 to 85 |
| 中文描述： | F/FAST SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 57K |
| 代理商： | MC74F157J |
4-67
FAST AND LS TTL DATA
QUAD 2-INPUT MULTIPLEXER
The MC74F157A is a high-speed quad 2-input multiplexer. Four bits of data
from two sources can be selected using the common Select and Enable in-
puts. The four buffered outputs present the selected data in the true (non-in-
verted) form. The F157A can also be used to generate any four of the 16 differ-
ent functions to two variables.
AC Enhanced Version of the F157
Zc
CONNECTION DIAGRAM DIP
(TOP VIEW)
15
16
14
13
12
11
10
2
1
3
4
5
6
7
VCC
9
8
E
I0c
I1c
Zc
I0d
I1d
Zd
S
I0a
I1a
Za
I0b
I1b
Zb
GND
LOGIC DIAGRAM
I0a
I1a
I0b
I0c
I1b
I1c
I0d
S
E
I1d
Za
Zb
Zd
FUNCTION TABLE
Inputs
Output
E
S
I0
X
I1
X
Z
H
X
L
L
H
X
L
L
L
H
X
H
H
L
L
L
X
L
L
L
H
X
H
H = HIGH Voltage Level; L = LOW Voltage Level; X = Don’t Care
MC74FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
MC74F157A
QUAD 2-INPUT
MULTIPLEXER
FAST
SHOTTKY TTL
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
16
1
D SUFFIX
SOIC
CASE 751B-03
LOGIC SYMBOL
12
13
11
14
15
2
3
5
6
1
4
7
10
9
Za
Zb
Zc
Zd
I1a
I0b
I1b
I0a
E
I0c
I1c
I0d
I1d
VCC = PIN 16
GND = PIN 8
S
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC74F157ND | 制造商:Motorola Inc 功能描述: |
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| MC74F158A WAF | 制造商:ON Semiconductor 功能描述: |
| MC74F158AD | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC74F158ADR2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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