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54AC541 데이터시트 PDF




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기능 Octal Buffer/Line Driver
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54AC541 데이터시트, 핀배열, 회로
www.DataSheet4U.com
July 1998
54AC541
Octal Buffer/Line Driver with TRI-STATE® Outputs
General Description
The ’AC541 is an octal buffer/line driver designed to be em-
ployed as memory and address drivers, clock drivers and
bus oriented transmitter/receivers. The ’AC541 is a nonin-
verting option of the ’AC540.
This device is similar in function to the ’AC244 while provid-
ing flow-through architecture (inputs on opposite side from
outputs). This pinout arrangement makes this device espe-
cially useful as an output port for microprocessors, allowing
ease of layout and greater PC board density.
Features
n ICC and IOZ reduced by 50%
n TRI-STATE outputs
n Inputs and outputs opposite side of package, allowing
easier interface to microprocessors
n Output source/sink 24 mA
n ’AC540 provides inverted outputs
n Standard Military Drawing (SMD)
— ’AC541: 5962-88706
Logic Symbol
IEEE/IEC
Truth Table
Inputs
Outputs
OE1
L
OE2
L
I
H
H
H XX
Z
X HX
Z
L LL
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
DS100330-3
TRI-STATE® is a registered trademark of National Semiconductor Corporation.
FACTis a trademark of Fairchild Semiconductor Corporation.
© 1998 National Semiconductor Corporation DS100330
www.national.com




54AC541 pdf, 반도체, 판매, 대치품
DC Characteristics for ’AC Family Devices (Continued)
Symbol
Parameter
IOLD
IOHD
ICC
Minimum Dynamic
Output Current
(Note 3)
Maximum Quiescent
Supply Current
54AC
VCC
TA =
(V) −55˚C to +125˚C
Guaranteed Limits
5.5 50
5.5 −50
5.5 80.0
Note 2: All outputs loaded; thresholds on input associated with output under test.
Note 3: Maximum test duration 2.0 ms, one output loaded at a time.
Note 4: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
ICC for 54AC @ 25˚C is identical to 74AC @ 25˚C.
Units
mA
mA
µA
Conditions
VOLD = 1.65V Max
VOHD = 3.85V Min
VIN = VCC
or GND
AC Electrical Characteristics
Symbol
Parameter
tPLH Propagation Delay
Data to Output
tPHL Propagation Delay
Data to Output
tPZH Output Enable Time
tPZL Output Enable Time
tPHZ Output Disable Time
tPLZ Output Disable Time
Note 5: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 5)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
54AC
TA = −55˚C
to +125˚C
CL = 50 pF
Min Max
1.0 10.0
1.5 7.0
1.0 9.5
1.5 7.0
1.0 13.5
1.5 10.0
1.0 12.5
1.5 9.0
1.0 15.0
1.5 12.0
1.0 11.0
1.5 9.0
Units
ns
ns
ns
ns
ns
ns
Fig.
No.
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
4.5
30.0
Units
pF
pF
Conditions
VCC = OPEN
VCC = 5.0V
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관련 데이터시트

부품번호상세설명 및 기능제조사
54AC540

Octal Buffer/Line Driver

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54AC541

Octal Buffer/Line Driver

National Semiconductor
National Semiconductor

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