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SN74LS240DB Datasheet(PDF) 13 Page - Texas Instruments

Part # SN74LS240DB
Description  SNx4LS24x, SNx4S24x Octal Buffers and Line Drivers With 3-State Outputs
PDF  41 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN74LS240DB Datasheet(HTML) 13 Page - Texas Instruments

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Req
VCC
Input
Copyright © 2016, Texas Instruments Incorporated
R
VCC
Output
GND
Copyright © 2016, Texas Instruments Incorporated
9 kΩ NOM
Input
VCC
Copyright © 2016, Texas Instruments Incorporated
13
SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
www.ti.com
SDLS144D – APRIL 1985 – REVISED OCTOBER 2016
Product Folder Links: SN54LS240 SN54LS241 SN54LS244 SN54S240 SN54S241 SN54S244 SN74LS240
SN74LS241 SN74LS244 SN74S240 SN74S241 SN74S244
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Copyright © 1985–2016, Texas Instruments Incorporated
Table 2. SNx4LS241 and SNx4S241
Function Table
CHANNEL 1
CHANNEL 2
INPUTS
OUTPUT
INPUTS
OUTPUT
1G
1A
1Y
2G
2A
2Y
L
L
L
H
L
L
L
H
H
H
H
H
H
X
Z
L
X
Z
Table 3. SNx4LS244 and SNx4S244
Function Table
INPUTS
OUTPUTS
G
A
Y
L
L
L
L
H
H
H
X
Z
Figure 19. SNx4LS240, SNx4LS241, SNx4LS244
Equivalent of Each Input
G and G inputs: Req = 2 kΩ NOM
A inputs: Req = 2.8 kΩ NOM
Figure 20. SNx4S240, SNx4S241, SNx4S244
Equivalent of Each Input
SNx4LS240, SNx4LS241, SNx4LS244:
R = 50 Ω NOM
SNx4S240, SNx4S241, SNx4S244:
R = 25 Ω NOM
Figure 21. Typical of All Outputs



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