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SN74LS244 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. SN74LS244
Description  OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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 4 page
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SN54LS240, SN54LS241, SN54LS244, SN54S240, SN54S241, SN54S244
SN74LS240, SN74LS241, SN74LS244, SN74S240, SN74S241, SN74S244
OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SDLS144B – APRIL 1985 – REVISED FEBRUARY 2002
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
schematics of inputs and outputs
R
VCC
Output
TYPICAL OF ALL OUTPUTS
Req
VCC
Input
EQUIVALENT OF EACH INPUT
EQUIVALENT OF EACH INPUT
9 k
Ω NOM
Input
VCC
’LS240. ’LS241, ’LS244: R = 50
Ω NOM
’S240, ‘S241, S244: R = 25
Ω NOM
GND
G and G inputs: Req = 2 kΩ NOM
A inputs: Req = 2.8 kΩ NOM
’LS240, ’LS241, ’LS244
’S240, ’S241, ’S244




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