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74F189SC Scheda tecnica(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte 74F189SC
Spiegazioni elettronici  64-Bit Random Access Memory with TRI-STATEE Outputs
PDF  8 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

74F189SC Scheda tecnica(HTML) 2 Page - National Semiconductor (TI)

  74F189SC Datasheet HTML 1Page - National Semiconductor (TI) 74F189SC Datasheet HTML 2Page - National Semiconductor (TI) 74F189SC Datasheet HTML 3Page - National Semiconductor (TI) 74F189SC Datasheet HTML 4Page - National Semiconductor (TI) 74F189SC Datasheet HTML 5Page - National Semiconductor (TI) 74F189SC Datasheet HTML 6Page - National Semiconductor (TI) 74F189SC Datasheet HTML 7Page - National Semiconductor (TI) 74F189SC Datasheet HTML 8Page - 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)
1010
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
Inverted Data Outputs
15040 (333)
b
30 mA24 mA (20 mA)
Function Table
Inputs
Operation
Condition of Outputs
CS
WE
L
L
Write
High Impedance
L
H
Read
Complement of Stored Data
H
X
Inhibit
High Impedance
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
Block Diagram
TLF9493 – 5
2



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