AMP 103240-2

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Item Description: 04 MODII HDR DRST B/A .100CL- Bulk

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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144C − APRIL 1985 − REVISED MAY 2010
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
D Hysteresis at Inputs Improves Noise
Margins
description
These octal buffers and line drivers are designed
specifically to improve both the performance and
density of three-state memory address drivers,
clock drivers, and bus-oriented receivers and
transmitters. The designer has a choice of
selected combinations of inverting and
noninverting outputs, symmetrical, active-low
output-control (G
) inputs, and complementary
output-control (G and G
) inputs. These devices
feature high fan-out, improved fan-in, and 400-mV
noise margin. The SN74LS’ and SN74S’ devices
can be used to drive terminated lines down to
133.
Copyright 2010, 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
1G
1A1
2Y4
1A2
2Y3
1A3
2Y2
1A4
2Y1
GND
V
CC
2G/2G
1Y1
2A4
1Y2
2A3
1Y3
2A2
1Y4
2A1
SN54LS’, SN54S’ ...J OR W PACKAGE
SN74LS240, SN74LS244 . . . DB, DW, N, OR NS PACKAGE
SN74LS241 ...DW, N, OR NS PACKAGE
SN74S’ . . . DW OR N PACKAGE
(TOP VIEW)
3 2 1 20 19
910111213
4
5
6
7
8
18
17
16
15
14
1Y1
2A4
1Y2
2A3
1Y3
1A2
2Y3
1A3
2Y2
1A4
SN54LS’, SN54S’ . . . FK PACKAGE
(TOP VIEW)
2Y4
1A1
1G
1Y4
2A2 2G/2G
2Y1
GND
2A1
V
CC
2G for ’LS241 and ’S241 or 2G for all other drivers.
2G for ’LS241 and ’S241 or 2G for all other drivers.
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.
SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144C − APRIL 1985 − REVISED MAY 2010
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
ORDERING INFORMATION
{
T
A
PACKAGE
}
ORDERABLE PART NUMBER TOP-SIDE MARKING
SN74LS240N SN74LS240N
SN74LS241N SN74LS241N
PDIP N
Tube
SN74LS244N SN74LS244N
PDIP − N Tube
SN74S240N SN74S240N
SN74S241N SN74S241N
SN74S244N SN74S244N
Tube SN74LS240DW
LS240
Tape and reel SN74LS240DWR
LS240
Tube SN74LS241DW
LS241
Tape and reel SN74LS241DWR
LS241
Tube SN74LS244DW
LS244
0°C to 70°C
SOIC DW
Tape and reel SN74LS244DWR
LS244
SOIC − DW
Tube SN74S240DW
S240
Tape and reel SN74S240DWR
S240
Tube SN74S241DW
S241
Tape and reel SN74S241DWR
S241
Tube SN74S244DW
S244
Tape and reel SN74S244DWR
S244
SN74LS240NSR 74LS240
SOP − NS Tape and reel
SN74LS241NSR 74LS241
SOP
NS
Tape
and
reel
SN74LS244NSR 74LS244
SSOP DB
Tape and reel
SN74LS240DBR LS240
SSOP − DB Tape and reel
SN74LS244DBR LS244
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site
at www.ti.com.
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144C − APRIL 1985 − REVISED MAY 2010
3
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
ORDERING INFORMATION
{
(CONTINUED)
T
A
PACKAGE
}
ORDERABLE PART NUMBER TOP-SIDE MARKING
SN54LS240J SN54LS240J
SNJ54LS240J SNJ54LS240J
SN54LS241J SN54LS241J
SNJ54LS241J SNJ54LS241J
SN54LS244J SN54LS244J
CDIP J
Tube
SNJ54LS244J SNJ54LS244J
CDIP − J Tube
SN54S240J SN54S240J
SNJ54S240J SNJ54S240J
SN54S241J SN54S241J
SNJ54S241J SNJ54S241J
SN54S244J SN54S244J
55°C to 125°C
SNJ54S244J SNJ54S244J
−55°C to 125°C
SNJ54LS240W SNJ54LS240W
SNJ54LS241W SNJ54LS241W
CFP W
Tube
SNJ54LS244W SNJ54LS244W
CFP − W Tube
SNJ54S240W SNJ54S240W
SNJ54S241W SNJ54S241W
SNJ54S244W SNJ54S244W
SNJ54LS240FK SNJ54LS240FK
SNJ54LS241FK SNJ54LS241FK
LCCC FK
Tube
SNJ54LS244FK SNJ54LS244FK
LCCC − FK Tube
SNJ54S240FK SNJ54S240FK
SNJ54S241FK SNJ54S241FK
SNJ54S244FK SNJ54S244FK
For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI web site
at www.ti.com.
Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
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