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參數(shù)資料
| 型號： | SN74ALS137ADRE4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 編、解碼器及復(fù)用、解復(fù)用 |
| 英文描述： | ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| 封裝： | PLASTIC, SOP-16 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 625K |
| 代理商： | SN74ALS137ADRE4 |
SN54ALS137A, SN74ALS137A, SN74AS137
3LINE TO 8LINE DECODERS/DEMULTIPLEXERS
WITH ADDRESS LATCHES
SDAS203C APRIL 1982 REVISED JANUARY 1995
Copyright
1995, Texas Instruments Incorporated
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
Combines Decoder and 3-Bit Address
Latch
Incorporates Two Output Enables to
Simplify Cascading
Package Options Include Plastic Small-
Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
description
The
SN54ALS137A,
SN74ALS137A,
and
SN74AS137 are 3-line to 8-line decoders/
demultiplexers with latches on the three address
inputs. When the latch-enable (LE) input is low,
the devices act as decoders/demultiplexers.
When LE goes from low to high, the address
present at the select (A, B, and C) inputs is stored
in the latches. Further address changes are
ignored as long as LE remains high. The
output-enable controls (G1 and G2) control the
outputs
independently
of
the
select
or
latch-enable inputs. All of the outputs are forced
high if G1 is low or G2 is high. These devices are
ideally
suited
for
implementing
glitch-free
decoders in strobed (stored-address) applications
in bus-oriented systems.
The SN54ALS137A is characterized for operation
over the full military temperature range of 55
°C
to 125
°C. The SN74ALS137A and SN74AS137
are characterized for operation from 0
°C to 70°C.
FUNCTION TABLE
INPUTS
OUTPUTS
ENABLE
SELECT
OUTPUTS
LE
G1
G2
C
B
A
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
X
H
X
H
X
LX
X
XX
H
HH
H
L
H
L
H
L
HL
L
LH
H
L
H
HH
H
L
HL
L
HLH
H
L
HH
H
L
HL
L
HH
H
HH
L
H
HH
H
L
H
L
H
L
H
L
H
L
HL
H
LH
H
HH
L
H
L
HL
H
HLH
HH
H
L
H
L
HL
H
HH
H
HH
L
H
L
X
Outputs corresponding to stored address = L; all others = H
SN54ALS137A ...J PACKAGE
SN74ALS137A, SN74AS137 ...D OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
Y1
Y2
NC
Y3
Y4
C
LE
NC
G2
G1
SN54ALS137A . . . FK PACKAGE
(TOP VIEW)
B
A
NC
Y6
Y5
Y0
Y7
GND
NC
NC No internal connection
V
CC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
A
B
C
LE
G2
G1
Y7
GND
VCC
Y0
Y1
Y2
Y3
Y4
Y5
Y6
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.
相關(guān)PDF資料 |
PDF描述 |
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| SN74ALS137ANSRE4 | ALS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 |
| SN74ALS151DR | ALS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, PDSO16 |
| SNJ54ALS151W | ALS SERIES, 8 LINE TO 1 LINE MULTIPLEXER, COMPLEMENTARY OUTPUT, CDFP16 |
| SN74ALS153DRE4 | ALS SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
| SN74AS153NSRG4 | AS SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDSO16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SN74ALS137ADRG4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3 Ln TO 8 Ln DECODE DeMltplxrs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74ALS137AN | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-8-Line Decoders/ DeMltplxrs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74ALS137ANE4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-8-Line Decoders/ DeMltplxrs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74ALS137ANSR | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-8-Line Decoders/ DeMltplxrs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
| SN74ALS137ANSRE4 | 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3-8-Line Decoders/ DeMltplxrs RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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