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74FR16245QCX Datasheet(Fiches technique) 3 Page - Rochester Electronics

Numéro de pièce 74FR16245QCX
Description  16-Bit Transceiver with 3-STATE Outputs Separate control pins for each byte
Télécharger  5 Pages
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Fabricant  ROCHESTER [Rochester Electronics]
Site Internet  http://www.rocelec.com/
Logo ROCHESTER - Rochester Electronics

74FR16245QCX Datasheet(HTML) 3 Page - Rochester Electronics

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74FR16245
Specification Number 74FR16245-CI(F) Rev A
Page 3 of 5
www.fairchildsemi.com
2
Pin Descriptions
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Logic Diagram
Pin Names
Description
OEn
Output Enable Input
T/Rn
Transmit/Receive Input
A0–A15
A Bus Inputs/3-STATE Outputs
B0–B15
B Bus Inputs/3-STATE Outputs
Inputs
Output Operating Mode
Byte1 (0:7)
Byte2 (8:15)
OE1
T/R1
OE2
T/R2
Byte1 (0:7)
Byte2 (8:15)
L
L
H
X
Bus B Data to A
High Z State
L
H
H
X
Bus A Data to B
High Z State
H
X
L
L
High Z State
Bus B Data to A
H
X
L
H
High Z State
Bus A Data to B
L
L
L
L
Bus B Data to A Bus B Data to A
L
H
L
H
Bus A Data to B Bus A Data to B
H
X
H
X
High Z State
High Z State


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