參數(shù)資料
型號(hào)： SN74ALS240A-1DWRE4
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 總線收發(fā)器
英文描述： ALS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
封裝： GREEN, PLASTIC, SOIC-20
文件頁(yè)數(shù)： 1/19頁(yè)
文件大?。?/td> 678K
代理商： SN74ALS240A-1DWRE4
SN54ALS240A, SN54AS240A, SN74ALS240A, SN74AS240A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SDAS214E – DECEMBER 1982 – REVISED AUGUST 2002
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers
D pnp Inputs Reduce dc Loading
description/ordering information
These
octal
buffers/drivers
are
designed
specifically to improve both the performance and
density of 3-state memory address drivers, clock
drivers,
and
bus-oriented
receivers
and
transmitters. When these devices are used with
the ’ALS241, ’AS241A, ’ALS244, and ’AS244A
devices, the circuit designer has a choice of
selected
combinations
of
inverting
and
noninverting outputs, symmetrical active-low
output-enable (OE) inputs, and complementary
OE and OE inputs. These devices feature high
fan-out and improved fan-in.
The -1 version of SN74ALS240A is identical to the
standard version, except that the recommended
maximum IOL for the -1 version is 48 mA. There is
no -1 version of the SN54ALS240A.
ORDERING INFORMATION
TA
PACKAGE
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SN74ALS240AN
PDIP – N
Tube
SN74ALS240A-1N
SN74AS240AN
Tube
SN74ALS240ADW
ALS240A
Tape and reel
SN74ALS240ADWR
ALS240A
SOIC
DW
Tube
SN74ALS240A-1DW
ALS240A 1
0
°C to 70°C
SOIC – DW
Tape and reel
SN74ALS240A-1DWR
ALS240A-1
Tube
SN74AS240ADW
AS240A
Tape and reel
SN74AS240ADWR
AS240A
SOP
NS
Tape and reel
SN74ALS240ANSR
ALS240A
SOP – NS
Tape and reel
SN74ALS240A-1NSR
ALS240A-1
SSOP
DB
Tape and reel
SN74ALS240ADBR
G240A
SSOP – DB
Tape and reel
SN74ALS240A-1DBR
G240A-1
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
Copyright
2002, Texas Instruments Incorporated
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.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1OE
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
VCC
2OE
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
SN54ALS240A, SN54AS240A ...J OR W PACKAGE
SN74ALS240A . . . DB, DW, N, OR NS PACKAGE
SN74AS240A . . . DW OR N PACKAGE
(TOP VIEW)
3
2
1 20 19
910 11 12 13
4
5
6
7
8
18
17
16
15
14
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54ALS240A, SN54AS240A . . . FK PACKAGE
(TOP VIEW)
2Y4
1A1
1OE
1Y4
2A2
2OE
2Y1
GND
2A1
V
CC
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
相關(guān)PDF資料
PDF描述
SN74ALS240ADBR ALS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
SN74AS240ANSRE4 AS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
SN74ALS240A-1DWR ALS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
SN74ALS240ADW ALS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, PDSO20
SN74ALS241CNSR ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SN74ALS240A-1DWRG4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer Drivers RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74ALS240A-1N 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74ALS240A-1NE4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74ALS240A-1NSR 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
SN74ALS240A-1NSRE4 功能描述:緩沖器和線路驅(qū)動(dòng)器 Octal Buffer/Driver With 3-State Outputs RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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