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參數(shù)資料
| 型號： | SN54F158AFK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
| 中文描述： | 四2線1線數(shù)據(jù)選擇器/多路復用器 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 72K |
| 代理商： | SN54F158AFK |
SN54F158A, SN74F158A
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SDFS054A – D2932, MARCH 1987 – REVISED OCTOBER 1993
Copyright
1993, Texas Instruments Incorporated
2–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Buffered Inputs and Outputs
Package Options Include Plastic
Small-Outline Packages, Ceramic Chip
Carriers, and Standard Plastic and Ceramic
300-mil DIPs
description
The
′
F158A is a quadruple 2-input data
selector/multiplexer featuring a direct strobe (G)
input. When the strobe is high, all outputs are high.
When the strobe is low, a 4-bit word is selected
from one of two sources and is routed to the four
outputs. The
′
F158A provides inverted data.
The SN54F158A is characterized for operation
over the full military temperature range of –55
°
C
to 125
°
C. The SN74F158A is characterized for
operation from 0
°
C to 70
°
C.
FUNCTION TABLE
INPUTS
OUTPUT
Y
G
H
A/B
X
A
X
B
X
H
L
L
L
X
H
L
L
H
X
L
L
H
X
L
H
L
H
X
H
L
SN54F158A . . . J PACKAGE
SN74F158A . . . D OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
9 10 11 12 13
4
5
6
7
8
18
17
16
15
14
4A
4B
NC
4Y
3A
1B
1Y
NC
2A
2B
SN54F158A . . . FK PACKAGE
(TOP VIEW)
1
A
N
3
3
G
2
G
N
NC – No internal connection
V
C
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A/B
1A
1B
1Y
2A
2B
2Y
GND
V
CC
G
4A
4B
4Y
3A
3B
3Y
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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