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74LCXR2245 数据表(PDF) 2 Page - Fairchild Semiconductor

部件名 74LCXR2245
功能描述  Low Voltage Bidirectional Transceiver with 5V Tolerant Inputs and Outputs and 26ohm Series Resistors on Both A and B Ports
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制造商  FAIRCHILD [Fairchild Semiconductor]
网页  http://www.fairchildsemi.com
标志 FAIRCHILD - Fairchild Semiconductor

74LCXR2245 数据表(HTML) 2 Page - Fairchild Semiconductor

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Logic Symbol
Connection Diagram
Pin Descriptions
Truth Table
H
HIGH Voltage Level
L
LOW Voltage Level
X
Immaterial
Z
High Impedance
Note 3: Unused bus terminals during HIGH Z State must be held HIGH or LOW.
Logic Diagram
Pin Names
Description
OE
Output Enable Input
T/R
Transmit/Receive Input
A0–A7
Side A Inputs or 3-STATE Outputs
B0–B7
Side B Inputs or 3-STATE Outputs
Inputs
Outputs
OE
T/R
L
L
Bus B0 – B7 Data to Bus A0 – A7
L
H
Bus A0 – A7 Data to Bus B0 – B7
H
X
HIGH Z State on A0 – A7, B0 – B7 (Note 3)


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类似说明 - 74LCXR2245

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