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MC74ACT540 데이터시트 PDF




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부품번호 MC74ACT540 기능
기능 (MC74ACT540 / MC74ACT541) Octal Buffer/Line Driver
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MC74ACT540 데이터시트, 핀배열, 회로
MC74AC540, MC74ACT540,
MC74AC541, MC74ACT541
Octal Buffer/Line Driver
with 3-State Outputs
The MC74AC540/74ACT540 and MC74AC541/74ACT541 are
octal buffer/line drivers designed to be employed as memory and
address drivers, clock drivers and bus oriented transmitter/receivers.
The MC74AC541/74ACT541 is a noninverting option of the
MC74AC540/74ACT540.
These devices are similar in function to the
MC74AC240/74ACT240 and MC74AC244/74ACT244 while
providing flow−through architecture (inputs on opposite side from
outputs). This pinout arrangement makes these devices especially
useful as output ports for microprocessors, allowing ease of layout and
greater PC board density.
Features
3−State Outputs
Inputs and Outputs Opposite Side of Package, Allowing Easier
Interface to Microprocessors
Outputs Source/Sink 24 mA
MC74AC540/74ACT540 Provides Inverted Outputs
MC74AC541/74ACT541 Provides Noninverted Outputs
ACT540 and ACT541 Have TTL Compatible Inputs
These are Pb−Free Devices
TRUTH TABLE
Inputs
OE1
L
H
X
L
OE2
L
X
H
L
D
H
X
X
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
Outputs
540 541
LH
ZZ
ZZ
HL
www.onsemi.com
SOIC−20W
DW SUFFIX
CASE 751D
1
TSSOP−20
DT SUFFIX
CASE 948E
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 8 of this data sheet.
© Semiconductor Components Industries, LLC, 2015
March, 2015 − Rev. 9
1
Publication Order Number:
MC74AC540/D




MC74ACT540 pdf, 반도체, 판매, 대치품
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
DC CHARACTERISTICS
Symbol
VIH
Parameter
Minimum High Level
Input Voltage
VIL Maximum Low Level
Input Voltage
VOH Minimum High Level
Output Voltage
74AC
74AC
VCC TA = +25°C TA = −40°C to +85°C
(V) Typ
Guaranteed Limits
Unit
3.0 1.5
2.1
4.5 2.25 3.15
5.5 2.75 3.85
2.1
3.15
3.85
V
3.0 1.5
0.9
4.5 2.25 1.35
5.5 2.75 1.65
0.9
1.35
1.65
V
3.0 2.99
4.5 4.49
5.5 5.49
2.9
4.4
5.4
2.9
4.4
5.4
V
VOL Maximum Low Level
Output Voltage
3.0 − 2.56
4.5 − 3.86
5.5 − 4.86
3.0 0.002
4.5 0.001
5.5 0.001
0.1
0.1
0.1
2.46
3.76
4.76
0.1
0.1
0.1
V
V
3.0 − 0.36
4.5 − 0.36
5.5 − 0.36
0.44
0.44
0.44
V
IIN Maximum Input
Leakage Current
5.5 − ±0.1
±1.0
mA
IOZ Maximum
3-State
Current
5.5 − ±0.5
±5.0
mA
IOLD
IOHD
†Minimum Dynamic
Output Current
5.5 −
5.5 −
75 mA
−75 mA
ICC Maximum Quiescent
Supply Current
5.5 −
8.0
80
mA
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
NOTE: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Conditions
VOUT = 0.1 V
or VCC − 0.1 V
VOUT = 0.1 V
or VCC − 0.1 V
IOUT = −50 mA
*VIN = VIL or VIH
−12 mA
IOH −24 mA
−24 mA
IOUT = 50 mA
*VIN = VIL or VIH
12 mA
IOL 24 mA
24 mA
VI = VCC, GND
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
www.onsemi.com
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MC74ACT540 전자부품, 판매, 대치품
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74ACT
74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = −40°C to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max
Min
Max
Propagation Delay
tPLH Data to Output (ACT540)
Propagation Delay
tPHL Data to Output (ACT540)
Output Enable Time
tPZH
(ACT540)
Output Enable Time
tPZL (ACT540)
Output Disable Time
tPHZ
(ACT540)
Output Disable Time
tPLZ (ACT540)
Propagation Delay
tPLH Data to Output (ACT541)
Propagation Delay
tPHL Data to Output (ACT541)
Output Enable Time
tPZH
(ACT541)
Output Enable Time
tPZL (ACT541)
Output Disable Time
tPHZ
(ACT541)
5.0 1.0 − 7.0
1.0
7.5
ns 3−5
5.0 1.0 − 8.0
1.0
8.5
ns 3−5
5.0 1.0
− 10.5
1.0
11.5
ns 3−7
5.0 1.0 − 9.5
1.0
10.5
ns 3−8
5.0 1.0
− 12.0
1.0
12.5
ns 3−7
5.0 1.5 − 9.0
1.0
10
ns 3−8
5.0 1.5 − 7.5
1.0
8.0
ns 3−5
5.0 1.5 − 7.5
1.0
8.0
ns 3−5
5.0 2.0
− 10.0
1.0
11.0
ns 3−7
5.0 1.5 − 9.5
1.0
10.5
ns 3−8
5.0 2.0
− 11.0
1.0
12.0
ns 3−7
Output Disable Time
tPLZ (ACT541)
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
5.0 2.0 − 9.0
1.0
10
ns 3−8
CAPACITANCE
Symbol
Parameter
CIN Input Capacitance
CPD Power Dissipation Capacitance
Value Typ
4.5
30
Unit
pF
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
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부품번호상세설명 및 기능제조사
MC74ACT540

(MC74AC540 / MC74AC541) OCTAL BUFFER/LINE DRIVER WITH 3-STATE OUTPUTS

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