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74F245 Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part No. 74F245
Description  Octal Bidirectional Transceiver with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74F245 Datasheet(HTML) 2 Page - Fairchild Semiconductor

   
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Connection Diagram
Unit Loading/Fan Out
Truth Table
H
HIGH Voltage Level
L
LOW Voltage Level
X
Immaterial
Pin Names
Description
U.L.
Input IIH/IIL
HIGH/LOW
Output IOH/IOL
OE
Output Enable Input (Active LOW)
1.0/2.0
20
PA/1.2 mA
T/R
Transmit/Receive Input
1.0/2.0
20
PA/1.2 mA
A0–A7
Side A Inputs or
3.5/1.083
70
PA/0.65 mA
3-STATE Outputs
150/40(38.3)
3 mA/24 mA (20 mA)
B0–B7
Side B Inputs or
3.5/1.083
70
PA/0.65 mA
3-STATE Outputs
600/106.6(80)
12 mA/64 mA (48 mA)
Inputs
Output
OE
T/R
L
L
Bus B Data to Bus A
L
H
Bus A Data to Bus B
H
X
High Z State


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