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54F244LM 数据表(PDF) 3 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部件名 54F244LM
功能描述  Octal Buffers/Line Drivers with TRI-STATE Outputs
Download  10 Pages
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制造商  NSC [National Semiconductor (TI)]
网页  http://www.national.com
标志 NSC - National Semiconductor (TI)

54F244LM 数据表(HTML) 3 Page - National Semiconductor (TI)

  54F244LM Datasheet HTML 1Page - National Semiconductor (TI) 54F244LM Datasheet HTML 2Page - National Semiconductor (TI) 54F244LM Datasheet HTML 3Page - National Semiconductor (TI) 54F244LM Datasheet HTML 4Page - National Semiconductor (TI) 54F244LM Datasheet HTML 5Page - National Semiconductor (TI) 54F244LM Datasheet HTML 6Page - National Semiconductor (TI) 54F244LM Datasheet HTML 7Page - National Semiconductor (TI) 54F244LM Datasheet HTML 8Page - National Semiconductor (TI) 54F244LM Datasheet HTML 9Page - National Semiconductor (TI) Next Button
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Unit LoadingFan Out
54F74F
Pin Names
Description
UL
Input IIH IIL
HIGHLOW
Output IOH IOL
OE1 OE2
TRI-STATE Output Enable Input (Active LOW)
101667
20 mA b1mA
OE2
TRI-STATE Output Enable Input (Active HIGH)
101667
20 mA b1mA
I0–I7
Inputs (’F240)
101667
20 mA b1mA
I0–I7
Inputs (’F241 ’F244)
102667
20 mA b16 mA
O0–O7 O0–O7
Outputs
6001066 (80)
b
12 mA64 mA (48 mA)
Worst-case ’F240 enabled ’F241 ’F244 disabled
Truth Tables
’F240
OE1
D1n
O1n
OE2
D2n
O2n
HX
Z
H
X
Z
LH
L
L
H
L
LL
H
L
L
H
’F241
OE1
D1n
O1n
OE2
D2n
O2n
HX
Z
L
X
Z
LH
H
H
H
H
LL
L
H
L
L
’F244
OE1
D1n
O1n
OE2
D2n
O2n
HX
Z
H
X
Z
LH
H
L
H
H
LL
L
L
L
L
H e HIGH Voltage Level
L e LOW Voltage Level
X e Immaterial
Z e High Impedance
3


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