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74F219 Fiches technique(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
No de pièce 74F219
Description  64-Bit Random Access Memory with TRI-STATEE Outputs
PDF  8 Pages
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Fabricant  NSC [National Semiconductor (TI)]
Site Internet  http://www.national.com
Logo NSC - National Semiconductor (TI)

74F219 Fiches technique(HTML) 2 Page - National Semiconductor (TI)

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Unit LoadingFan Out
54F74F
Pin Names
Description
UL
Input IIH IIL
HIGHLOW
Output IOH IOL
A0–A3
Address Inputs
1010
20 mA b06 mA
CS
Chip Select Input (Active LOW)
1020
20 mA b12 mA
WE
Write Enable Input (Active LOW)
1010
20 mA b06 mA
D0–D3
Data Inputs
1010
20 mA b06 mA
O0–O3
TRI-STATE Data Outputs
15040 (333)
b
3 mA24 mA (20 mA)
Function Table
Inputs
Operation
Condition of Outputs
CS
WE
L
L
Write
High Impedance
L
H
Read
True Stored Data
H
X
Inhibit
High Impedance
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
Block Diagram
TLF9500 – 4
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