MC74AC540M [ONSEMI]
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| 型号： | MC74AC540M |
| 厂家： | 
ONSEMI |
| 描述： | 暂无描述 驱动器 输出元件 |
| 文件： | 总7页 (文件大小：208K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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.
• 3-State Outputs
• Inputs and Outputs Opposite Side of Package, Allowing
Easier Interface to Microprocessors
N SUFFIX
CASE 738-03
PLASTIC
• Outputs Source/Sink 24 mA
• MC74AC540/74ACT540 Provides Inverted Outputs
• MC74AC541/74ACT541 Provides Noninverted Outputs
• ′ACT540 and ′ACT541 Have TTL Compatible Inputs
MC74AC540/74ACT540
MC74AC541/74ACT541
DW SUFFIX
CASE 751D-04
PLASTIC
OE
V
OE
V
1
2
3
4
5
6
7
20
19
18
17
16
15
14
1
2
3
4
5
6
7
20
19
18
17
16
15
14
1
CC
1
CC
OE
OE
2
2
TRUTH TABLE
Inputs
Outputs
OE
OE
D
′540
′541
1
2
L
H
X
L
L
X
H
L
H
X
X
L
L
Z
Z
H
H
Z
Z
L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
8
9
13
12
11
8
9
13
12
11
GND
GND
10
10
FACT DATA
5-1
MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
MAXIMUM RATINGS*
Symbol
Parameter
DC Supply Voltage (Referenced to GND)
Value
Unit
V
V
V
–0.5 to +7.0
CC
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
–0.5 to V
+0.5
V
in
CC
V
out
–0.5 to V
+0.5
V
CC
I
I
I
±20
mA
mA
mA
°C
in
DC Output Sink/Source Current, per Pin
±50
±50
out
CC
DC V
or GND Current per Output Pin
Storage Temperature
CC
T
stg
–65 to +150
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended
Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
2.0
4.5
0
Typ
5.0
5.0
Max
6.0
Unit
V
′AC
V
Supply Voltage
CC
′ACT
5.5
V , V
in out
DC Input Voltage, Output Voltage (Ref. to GND)
V
CC
V
V
CC
V
CC
V
CC
V
CC
V
CC
@ 3.0 V
@ 4.5 V
@ 5.5 V
@ 4.5 V
@ 5.5 V
150
40
Input Rise and Fall Time (Note 1)
′AC Devices except Schmitt Inputs
ns/V
t , t
r f
25
10
Input Rise and Fall Time (Note 2)
′ACT Devices except Schmitt Inputs
t , t
r f
ns/V
8.0
T
Junction Temperature (PDIP)
Operating Ambient Temperature Range
Output Current — High
140
85
°C
°C
J
T
A
–40
25
I
I
–24
24
mA
mA
OH
Output Current — Low
OL
1. V from 30% to 70% V ; see individual Data Sheets for devices that differ from the typical input rise and fall times.
in
CC
2. V from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
in
FACT DATA
5-2
MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
DC CHARACTERISTICS
74AC
= +25°C
74AC
T
A
=
V
(V)
CC
Symbol
Parameter
Unit
Conditions
T
A
–40°C to +85°C
Typ
Guaranteed Limits
V
V
V
3.0
4.5
5.5
1.5
2.25
2.75
2.1
3.15
3.85
2.1
3.15
3.85
V
= 0.1 V
– 0.1 V
Minimum High Level
Input Voltage
IH
OUT
V
V
V
or V
CC
= 0.1 V
OUT
3.0
4.5
5.5
1.5
2.25
2.75
0.9
1.35
1.65
0.9
1.35
1.65
V
Maximum Low Level
Input Voltage
IL
or V
– 0.1 V
CC
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
I
= –50 µA
Minimum High Level
Output Voltage
OH
OUT
*V = V or V
IN IL IH
3.0
4.5
5.5
2.56
3.86
4.86
2.46
3.76
4.76
–12 mA
–24 mA
–24 mA
V
V
V
I
OH
V
OL
3.0
4.5
5.5
0.002
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
I = 50 µA
OUT
Maximum Low Level
Output Voltage
*V = V or V
IN IL
IH
3.0
4.5
5.5
0.36
0.36
0.36
0.44
0.44
0.44
12 mA
I
24 mA
24 mA
OL
I
IN
Maximum Input
Leakage Current
5.5
5.5
±0.1
±0.5
±1.0
±5.0
µA
µA
V = V , GND
CC
I
I
V (OE) = V , V
IL IH
Maximum
3-State
Current
OZ
I
V = V , GND
I
CC
= V , GND
CC
V
O
I
I
I
5.5
5.5
75
mA
mA
V
= 1.65 V Max
†Minimum Dynamic
Output Current
OLD
OHD
CC
OLD
OHD
–75
V
V
= 3.85 V Min
Maximum Quiescent
Supply Current
5.5
8.0
80
µA
= V or GND
CC
IN
* All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
Note: I and I
@ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V
.
IN CC
CC
FACT DATA
5-3
MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74AC
74AC
T
= –40°C
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
L
CC
Symbol
Parameter
to +85°C
C
Unit
= 50 pF
L
Min
Typ
Max
Min
Max
Propagation Delay
3.3
5.0
1.5
1.5
5.5
4.0
7.5
6.0
1.0
1.0
8.0
6.5
t
t
t
t
t
t
t
t
t
t
t
t
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3-5
3-5
3-7
3-8
3-7
3-8
3-5
3-5
3-7
3-8
3-7
3-8
PLH
Data to Output (′AC540)
Propagation Delay
3.3
5.0
1.5
1.5
5.0
4.0
7.0
5.5
1.0
1.0
7.5
6.0
PHL
PZH
PZL
PHZ
PLZ
PLH
PHL
PZH
PZL
PHZ
PLZ
Data to Output (′AC540)
Output Enable Time
3.3
5.0
3.0
2.0
8.5
6.5
11
8.5
2.5
2.0
12
9.5
(′AC540)
Output Enable Time
3.3
5.0
2.5
2.0
7.5
6.0
10
7.5
2.0
1.5
11
8.5
(′AC540)
Output Disable Time
3.3
5.0
2.5
1.5
8.5
7.5
13
10.5
1.5
1.0
14
11
(′AC540)
3.3
5.0
2.0
1.5
7.0
6.0
10
8.0
2.0
1.5
11
9.0
Output Disable Time
(′AC540)
3.3
5.0
2.0
1.5
5.5
4.0
8.0
6.0
1.5
1.0
9.0
6.5
Propagation Delay
Data to Output (′AC541)
3.3
5.0
2.0
1.5
5.5
4.0
8.0
6.0
1.5
1.0
8.5
6.5
Propagation Delay
Data to Output (′AC541)
3.3
5.0
3.0
2.0
8.0
6.0
11.5
8.5
3.0
1.5
12.5
9.5
Output Enable Time
(′AC541)
3.3
5.0
2.5
1.5
7.0
5.5
10
7.5
2.5
1.0
11.5
8.5
Output Enable Time
(′AC541)
3.3
5.0
3.5
2.0
9.0
7.0
12.5
9.5
2.5
1.0
14
10.5
Output Disable Time
(′AC541)
3.3
5.0
2.5
2.0
6.5
5.5
9.5
7.5
2.0
1.0
10.5
8.5
Output Disable Time
(′AC541)
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
FACT DATA
5-4
MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
DC CHARACTERISTICS
74ACT
= +25°C
74ACT
T
A
=
V
(V)
CC
Symbol
Parameter
Unit
Conditions
T
A
–40°C to +85°C
Typ
Guaranteed Limits
V
V
V
4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
= 0.1 V
– 0.1 V
Minimum High Level
Input Voltage
IH
OUT
V
V
V
or V
CC
= 0.1 V
OUT
4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
Maximum Low Level
Input Voltage
IL
or V
– 0.1 V
CC
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
I
= –50 µA
Minimum High Level
Output Voltage
OH
OUT
*V = V or V
IN IL IH
4.5
5.5
3.86
4.86
3.76
4.76
V
V
V
–24 mA
–24 mA
I
OH
V
OL
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
I = 50 µA
OUT
Maximum Low Level
Output Voltage
*V = V or V
IN IL
IH
4.5
5.5
0.36
0.36
0.44
0.44
24 mA
24 mA
I
OL
I
IN
Maximum Input
Leakage Current
5.5
5.5
±0.1
±1.0
µA
V = V , GND
I
CC
∆I
CCT
Additional Max. I /Input
CC
0.6
1.5
mA
V = V
– 2.1 V
I
CC
I
V (OE) = V , V
IL IH
Maximum
3-State
Current
OZ
I
5.5
±0.5
±5.0
µA
V = V , GND
I
CC
= V , GND
CC
V
O
I
I
I
5.5
5.5
75
mA
mA
V
= 1.65 V Max
†Minimum Dynamic
Output Current
OLD
OLD
OHD
–75
V
V
= 3.85 V Min
OHD
CC
Maximum Quiescent
Supply Current
5.5
8.0
80
µA
= V or GND
CC
IN
* All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
FACT DATA
5-5
MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74ACT
74ACT
= –40°C
T
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
CC
Symbol
Parameter
to +85°C
Unit
L
C
= 50 pF
L
Min
Typ
Max
Min
Max
Propagation Delay
Data to Output (′ACT540)
t
t
t
t
t
t
t
t
t
t
t
t
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1.0
7.0
1.0
7.5
8.5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3-5
3-5
3-7
3-8
3-7
3-8
3-5
3-5
3-7
3-8
3-7
3-8
PLH
Propagation Delay
Data to Output (′ACT540)
1.0
1.0
1.0
1.0
1.5
1.5
1.5
2.0
1.5
2.0
2.0
8.0
10.5
9.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
PHL
PZH
PZL
PHZ
PLZ
PLH
PHL
PZH
PZL
PHZ
PLZ
Output Enable Time
(′ACT540)
11.5
10.5
12.5
10
Output Enable Time
(′ACT540)
Output Disable Time
(′ACT540)
12.0
9.0
Output Disable Time
(′ACT540)
Propagation Delay
Data to Output (′ACT541)
7.5
8.0
Propagation Delay
Data to Output (′ACT541)
7.5
8.0
Output Enable Time
(′ACT541)
10.0
9.5
11.0
10.5
12.0
10
Output Enable Time
(′ACT541)
Output Disable Time
(′ACT541)
11.0
9.0
Output Disable Time
(′ACT541)
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Value
Typ
Parameter
Unit
Test Conditions
C
C
Input Capacitance
Power Dissipation Capacitance
4.5
30
pF
pF
V
V
= 5.0 V
= 5.0 V
IN
CC
PD
CC
FACT DATA
5-6
MC74AC540 MC74ACT540 MC74AC541 MC74ACT541
OUTLINE DIMENSIONS
N SUFFIX
PLASTIC DIP PACKAGE
–A–
CASE 738–03
NOTES:
ISSUE E
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
20
1
11
10
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
B
L
C
INCHES
MILLIMETERS
DIM
A
B
C
D
MIN
MAX
1.070
0.260
0.180
0.022
MIN
25.66
6.10
3.81
0.39
MAX
27.17
6.60
4.57
0.55
1.010
0.240
0.150
0.015
–T–
SEATING
PLANE
K
E
0.050 BSC
1.27 BSC
M
0.050
0.070
1.27
1.77
F
G
J
K
L
N
E
0.100 BSC
2.54 BSC
0.008
0.110
0.015
0.140
0.21
2.80
0.38
3.55
G
F
J 20 PL
0.300 BSC
7.62 BSC
D 20 PL
0.25 (0.010)
M
M
0.25 (0.010)
T B
M
N
0
15
0
15
0.020
0.040
0.51
1.01
M
M
T
A
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
NOTES:
–A–
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
20
11
4. MAXIMUM MOLD PROTRUSION 0.150
(0.006) PER SIDE.
10X P
–B–
5. DIMENSION D DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.13
(0.005) TOTAL IN EXCESS OF D
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
M
M
0.010 (0.25)
B
1
10
J
MILLIMETERS
INCHES
20X D
DIM
A
B
C
D
F
G
J
K
M
P
MIN
12.65
7.40
2.35
0.35
0.50
MAX
12.95
7.60
2.65
0.49
0.90
MIN
MAX
0.510
0.299
0.104
0.019
0.035
0.499
0.292
0.093
0.014
0.020
M
S
S
0.010 (0.25)
T
A
B
F
R X 45
1.27 BSC
0.050 BSC
0.25
0.10
0
10.05
0.25
0.32
0.25
7
10.55
0.75
0.010
0.004
0
0.395
0.010
0.012
0.009
7
0.415
0.029
C
SEATING
PLANE
–T–
R
M
18X G
K
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MC74AC540/D
◊
相关型号：
MC74AC540NC
Bus Driver, AC Series, 1-Func, 8-Bit, Inverted Output, CMOS, PDIP20, PLASTIC, DIP-20
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