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74F219SC Datasheet(PDF) 2 Page - Fairchild Semiconductor

Part # 74F219SC
Description  64-Bit Random Access Memory with 3-STATE Outputs
PDF  6 Pages
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Manufacturer  FAIRCHILD [Fairchild Semiconductor]
Direct Link  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74F219SC Datasheet(HTML) 2 Page - Fairchild Semiconductor

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2
Unit Loading/Fan Out
Function Table
H
= HIGH Voltage Level
L
= LOW Voltage Level
X
= Immaterial
Block Diagram
Pin Names
Description
U.L.
Input IIH/IIL
HIGH/LOW
Output IOH/IOL
A0–A3
Address Inputs
1.0/1.0
20
µA/−0.6 mA
CS
Chip Select Input (Active LOW)
1.0/2.0
20
µA/−1.2 mA
WE
Write Enable Input (Active LOW)
1.0/1.0
20
µA/−0.6 mA
D0–D3
Data Inputs
1.0/1.0
20
µA/−0.6 mA
O0–O3
3-STATE Data Outputs
150/40 (33.3)
−3 mA/24 mA (20 mA)
Inputs
Operation
Condition of Outputs
CS
WE
L
L
Write
High Impedance
L
H
Read
True Stored Data
H
X
Inhibit
High Impedance



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