MC74AC540DWR2G [ONSEMI]
Octal Buffer/Line Driver with 3−State Outputs; 八路缓冲器/ 3态输出的线路驱动器
| 型号： | MC74AC540DWR2G |
| 厂家： | 
ONSEMI |
| 描述： | Octal Buffer/Line Driver with 3−State Outputs |
| 文件： | 总12页 (文件大小：131K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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.
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PDIP−20
N SUFFIX
CASE 738
1
SOIC−20W
DW SUFFIX
CASE 751D
Features
• 3−State Outputs
1
• Inputs and Outputs Opposite Side of Package, Allowing Easier
Interface to Microprocessors
• Outputs Source/Sink 24 mA
TSSOP−20
DT SUFFIX
CASE 948E
• MC74AC540/74ACT540 Provides Inverted Outputs
• MC74AC541/74ACT541 Provides Noninverted Outputs
• ′ACT540 and ′ACT541 Have TTL Compatible Inputs
• Pb−Free Packages are Available
1
SOEIAJ−20
M SUFFIX
CASE 967
1
TRUTH TABLE
Inputs
Outputs
ORDERING INFORMATION
See detailed ordering and shipping information in the package
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
dimensions section on page 7 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 9 of this data sheet.
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
© Semiconductor Components Industries, LLC, 2006
1
Publication Order Number:
December, 2006 − Rev. 8
MC74AC540/D
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
OE
1
V
OE
1
V
CC
1
2
3
4
5
6
7
20
19
18
17
16
15
14
CC
1
2
3
4
5
6
7
20
19
18
17
16
15
14
OE
OE
2
2
8
9
13
12
11
8
9
13
12
11
GND
GND
10
10
Figure 1. MC74AC540/74ACT540
Figure 2. MC74AC541/74ACT541
MAXIMUM RATINGS
Symbol
Parameter
DC Supply Voltage (Referenced to GND)
Value
Unit
V
V
CC
−0.5 to +7.0
V
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
IN
20
50
mA
mA
mA
°C
I
DC Output Sink/Source Current, per Pin
OUT
I
DC V or GND Current per Output Pin
50
CC
CC
T
stg
Storage Temperature
−65 to +150
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Typ
Max
Unit
V
′AC
2.0
5.0
6.0
V
CC
Supply Voltage
′ACT
4.5
0
5.0
−
5.5
V
IN
, V
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
25
10
8.0
−
−
Input Rise and Fall Time (Note 1)
−
−
−
−
−
ns/V
t , t
r
f
′AC Devices except Schmitt Inputs
−
−
Input Rise and Fall Time (Note 2)
t , t
ns/V
r
f
′ACT Devices except Schmitt Inputs
−
T
J
Junction Temperature (PDIP)
Operating Ambient Temperature Range
Output Current − High
−
140
85
°C
°C
T
A
−40
−
25
−
I
−24
24
mA
mA
OH
I
OL
Output Current − Low
−
−
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
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2
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
DC CHARACTERISTICS
74AC
74AC
T
A
= +25°C
T
A
= −40°C to +85°C
V
CC
(V)
Typ
Guaranteed Limits
Symbol
Parameter
Unit
Conditions
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
V
IH
Minimum High Level
Input Voltage
OUT
V
or V − 0.1 V
CC
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
= 0.1 V
V
Maximum Low Level
Input Voltage
OUT
IL
V
V
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
V
OH
Minimum High Level
Output Voltage
I
= −50 mA
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
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 mA
OUT
V
OL
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
24 mA
24 mA
I
OL
I
Maximum Input
Leakage Current
IN
5.5
5.5
−
−
0.1
0.5
1.0
5.0
mA
mA
V = V , GND
I CC
V (OE) = V , V
IH
I
Maximum
3-State
I
IL
OZ
V = V , GND
I
CC
Current
V
V
V
= V , GND
O
CC
I
5.5
5.5
−
−
−
−
75
mA
mA
= 1.65 V Max
†Minimum Dynamic
Output Current
OLD
OLD
OHD
I
−75
= 3.85 V Min
OHD
I
Maximum Quiescent
Supply Current
CC
5.5
−
8.0
80
mA
V = V or GND
IN CC
*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
IN
and I @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V
.
CC
CC
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3
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74AC
74AC
T
= +25°C
T
A
= −40°C to +85°C
C = 50 pF
L
A
C = 50 pF
L
V
(V)
*
Fig.
No.
CC
Min
Typ
Max
Min
Max
Symbol
Parameter
Propagation Delay
Unit
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
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
PHL
PZH
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
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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
t
(′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
t
PZL
(′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
t
PHZ
(′AC540)
3.3
5.0
2.0
1.5
7.0
6.0
10
2.0
1.5
11
Output Disable Time
t
PLZ
PLH
PHL
PZH
8.0
9.0
(′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
t
t
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
t
(′AC541)
3.3
5.0
2.5
1.5
7.0
5.5
10
2.5
1.0
11.5
8.5
Output Enable Time
t
PZL
PHZ
7.5
(′AC541)
3.3
5.0
3.5
2.0
9.0
7.0
12.5
9.5
2.5
1.0
14
Output Disable Time
t
10.5
(′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
t
PLZ
(′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.
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4
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
DC CHARACTERISTICS
74ACT
74ACT
T
A
= +25°C
T
A
= −40°C to +85°C
V
CC
Typ
Guaranteed Limits
(V)
Symbol
Parameter
Unit
Conditions
4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
= 0.1 V
V
IH
Minimum High Level
Input Voltage
OUT
V
or V − 0.1 V
CC
4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
= 0.1 V
V
Maximum Low Level
Input Voltage
OUT
IL
V
V
or V − 0.1 V
CC
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
I
= −50 mA
V
OH
Minimum High Level
Output Voltage
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
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
I
= 50 mA
OUT
V
OL
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
Maximum Input
Leakage Current
IN
5.5
5.5
−
0.1
−
1.0
1.5
mA
V = V , GND
I CC
DI
CCT
Additional Max. I /Input
0.6
mA
V = V − 2.1 V
I CC
CC
V (OE) = V , V
IH
I
Maximum
3-State
I
IL
OZ
5.5
−
0.5
5.0
mA
V = V , GND
I
CC
Current
V
V
V
= V , GND
O
CC
I
5.5
5.5
−
−
−
−
75
mA
mA
= 1.65 V Max
†Minimum Dynamic
Output Current
OLD
OLD
OHD
I
−75
= 3.85 V Min
OHD
I
Maximum Quiescent
Supply Current
CC
5.5
−
8.0
80
mA
V = V or GND
IN CC
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
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5
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
AC CHARACTERISTICS (For Figures and Waveforms − See AND8277/D at www.onsemi.com)
74ACT
74ACT
T
= +25°C
T
A
= −40°C to +85°C
V
(V)
*
Fig.
No.
A
CC
Symbol
Parameter
Unit
C = 50 pF
C = 50 pF
L
L
Min
Typ
Max
Min
1.0
Max
Propagation Delay
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
7.5
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
PHL
PZH
Data to Output (′ACT540)
Propagation Delay
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
8.5
11.5
10.5
12.5
10
Data to Output (′ACT540)
Output Enable Time
t
(′ACT540)
Output Enable Time
t
PZL
(′ACT540)
Output Disable Time
t
12.0
9.0
PHZ
(′ACT540)
Output Disable Time
t
PLZ
PLH
PHL
PZH
(′ACT540)
Propagation Delay
t
t
7.5
8.0
Data to Output (′ACT541)
Propagation Delay
7.5
8.0
Data to Output (′ACT541)
Output Enable Time
t
10.0
9.5
11.0
10.5
12.0
10
(′ACT541)
Output Enable Time
t
PZL
(′ACT541)
Output Disable Time
t
11.0
9.0
PHZ
(′ACT541)
Output Disable Time
t
PLZ
(′ACT541)
*Voltage Range 5.0 V is 5.0 V 0.5 V.
CAPACITANCE
Symbol
Parameter
Value Typ
Unit
pF
Test Conditions
C
Input Capacitance
Power Dissipation Capacitance
4.5
30
V
= 5.0 V
= 5.0 V
IN
CC
CC
C
pF
V
PD
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6
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
ORDERING INFORMATION
†
Device
Package
Shipping
MC74AC540N
PDIP−20
MC74AC540NG
PDIP−20
(Pb−Free)
18 Units / Rail
MC74ACT540N
PDIP−20
MC74ACT540NG
PDIP−20
(Pb−Free)
MC74AC540DW
SOIC−20
38 Units / Rail
1000 / Tape & Reel
38 Units / Rail
MC74AC540DWG
SOIC−20
(Pb−Free)
MC74AC540DWR2
SOIC−20
MC74AC540DWR2G
SOIC−20
(Pb−Free)
MC74ACT540DW
MC74ACT540DWG
SOIC−20
SOIC−20
(Pb−Free)
MC74ACT540DWR2
MC74ACT540DWR2G
SOIC−20
1000 / Tape & Reel
2500 / Tape & Reel
2000 / Tape & Reel
SOIC−20
(Pb−Free)
MC74ACT540DTR2
MC74ACT540DTR2G
MC74ACT540MEL
MC74ACT540MELG
TSSOP−20*
TSSOP−20*
SOEIAJ−20
SOEIAJ−20
(Pb−Free)
MC74AC541N
PDIP−20
MC74AC541NG
PDIP−20
(Pb−Free)
18 Units / Rail
MC74ACT541N
PDIP−20
MC74ACT541NG
PDIP−20
(Pb−Free)
MC74AC541DW
SOIC−20
38 Units / Rail
1000 / Tape & Reel
38 Units / Rail
MC74AC541DWG
SOIC−20
(Pb−Free)
MC74AC541DWR2
MC74AC541DWR2G
SOIC−20
SOIC−20
(Pb−Free)
MC74ACT541DW
MC74ACT541DWG
SOIC−20
SOIC−20
(Pb−Free)
MC74ACT541DWR2
MC74ACT541DWR2G
SOIC−20
1000 / Tape & Reel
SOIC−20
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*These packages are inherently Pb−Free.
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7
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
ORDERING INFORMATION (continued)
Device
†
Package
Shipping
MC74AC541DTR2
MC74AC541DTR2G
MC74ACT541DT
TSSOP−20*
TSSOP−20*
TSSOP−20*
TSSOP−20*
TSSOP−20*
TSSOP−20*
SOEIAJ−20
2500 / Tape & Reel
75 Units / Rail
MC74ACT541DTG
MC74ACT541DTR2
2500 / Tape & Reel
MC74ACT541DTR2G
MC74AC541M
40 Units / Rail
2000 / Tape & Reel
40 Units / Rail
MC74AC541MG
SOEIAJ−20
(Pb−Free)
MC74AC541MEL
MC74AC541MELG
SOEIAJ−20
SOEIAJ−20
(Pb−Free)
MC74ACT541M
SOEIAJ−20
MC74ACT541MG
SOEIAJ−20
(Pb−Free)
MC74ACT541MEL
MC74ACT541MELG
SOEIAJ−20
2000 / Tape & Reel
SOEIAJ−20
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
*These packages are inherently Pb−Free.
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8
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
MARKING DIAGRAMS
PDIP−20
SOIC−20W
TSSOP−20
SOEIAJ−20
20
20
20
1
20
1
AC
54x
AC54x
AWLYYWWG
MC74AC54xN
AWLYYWWG
74AC54x
AWLYWWG
ALYWG
G
1
1
20
20
20
1
20
1
ACT
54x
ACT54x
AWLYYWWG
74ACT54x
AWLYWWG
MC74ACT54xN
AWLYYWWG
ALYWG
G
1
1
x
= 0 or 1
A
WL, L
YY, Y
= Assembly Location
= Wafer Lot
= Year
WW, W = Work Week
G or G
= Pb−Free Package
(Note: Microdot may be in either location)
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9
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
PACKAGE DIMENSIONS
PDIP−20
N SUFFIX
PLASTIC DIP PACKAGE
CASE 738−03
ISSUE E
NOTES:
−A−
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
20
1
11
10
B
INCHES
DIM MIN MAX
1.070 25.66
MILLIMETERS
L
C
MIN
MAX
27.17
6.60
4.57
0.55
A
B
C
D
E
1.010
0.240
0.150
0.015
0.260
0.180
0.022
6.10
3.81
0.39
0.050 BSC
1.27 BSC
−T−
SEATING
PLANE
K
0.050
0.100 BSC
0.070
1.27
2.54 BSC
1.77
F
G
J
M
0.008
0.110
0.015
0.140
0.21
2.80
0.38
3.55
N
E
K
L
0.300 BSC
7.62 BSC
G
F
M
N
0
0.020
15
_
0.040
0
_
0.51
15
_
1.01
J 20 PL
_
D 20 PL
M
M
T B
0.25 (0.010)
M
M
T A
0.25 (0.010)
SOIC−20W
DW SUFFIX
CASE 751D−05
ISSUE G
NOTES:
1. DIMENSIONS ARE IN MILLIMETERS.
2. INTERPRET DIMENSIONS AND TOLERANCES
PER ASME Y14.5M, 1994.
D
A
q
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
PROTRUSION.
20
11
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE PROTRUSION
SHALL BE 0.13 TOTAL IN EXCESS OF B
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
E
MILLIMETERS
1
10
DIM MIN
MAX
2.65
0.25
0.49
0.32
12.95
7.60
A
A1
B
C
D
E
2.35
0.10
0.35
0.23
12.65
7.40
B
20X B
M
S
S
B
T
0.25
A
e
1.27 BSC
H
h
10.05
0.25
0.50
0
10.55
0.75
0.90
7
A
L
q
_
_
SEATING
PLANE
18X e
A1
C
T
http://onsemi.com
10
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
PACKAGE DIMENSIONS
TSSOP−20
DT SUFFIX
CASE 948E−02
ISSUE C
NOTES:
20X K REF
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION:
MILLIMETER.
K
M
S
S
V
0.10 (0.004)
T U
S
K1
0.15 (0.006) T U
3. DIMENSION A DOES NOT INCLUDE
MOLD FLASH, PROTRUSIONS OR GATE
BURRS. MOLD FLASH OR GATE BURRS
SHALL NOT EXCEED 0.15 (0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION
SHALL NOT EXCEED 0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08
(0.003) TOTAL IN EXCESS OF THE K
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
J J1
20
11
2X L/2
B
SECTION N−N
L
−U−
PIN 1
IDENT
0.25 (0.010)
N
1
10
M
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE
DETERMINED AT DATUM PLANE −W−.
S
0.15 (0.006) T U
A
−V−
N
MILLIMETERS
DIM MIN MAX
INCHES
MIN
MAX
0.260
0.177
0.047
0.006
0.030
F
A
B
6.40
4.30
−−−
6.60 0.252
4.50 0.169
DETAIL E
C
1.20
−−−
D
0.05
0.50
0.15 0.002
0.75 0.020
F
G
H
0.65 BSC
0.026 BSC
−W−
0.27
0.09
0.09
0.19
0.19
0.37
0.011
0.015
0.008
0.006
0.012
0.010
C
J
0.20 0.004
0.16 0.004
0.30 0.007
0.25 0.007
J1
K
G
D
H
K1
L
DETAIL E
6.40 BSC
0.252 BSC
0
0.100 (0.004)
−T− SEATING
M
0
8
8
_
_
_
_
PLANE
SOLDERING FOOTPRINT*
7.06
1
0.65
PITCH
16X
0.36
16X
1.26
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
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11
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
PACKAGE DIMENSIONS
SOEIAJ−20
M SUFFIX
CASE 967−01
ISSUE A
NOTES:
ꢀꢁ1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
L
E
20
11
Q
ꢀꢁ2. CONTROLLING DIMENSION: MILLIMETER.
ꢀꢁ3. DIMENSIONS D AND E DO NOT INCLUDE
MOLD FLASH OR PROTRUSIONS AND ARE
MEASURED AT THE PARTING LINE. MOLD FLASH
OR PROTRUSIONS SHALL NOT EXCEED 0.15
(0.006) PER SIDE.
1
H
E
_
E
M
ꢀꢁ4. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
L
1
10
ꢀꢁ5. THE LEAD WIDTH DIMENSION (b) DOES NOT
INCLUDE DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08 (0.003)
TOTAL IN EXCESS OF THE LEAD WIDTH
DIMENSION AT MAXIMUM MATERIAL CONDITION.
DAMBAR CANNOT BE LOCATED ON THE LOWER
RADIUS OR THE FOOT. MINIMUM SPACE
BETWEEN PROTRUSIONS AND ADJACENT LEAD
TO BE 0.46 ( 0.018).
DETAIL P
Z
D
VIEW P
e
A
c
MILLIMETERS
INCHES
MIN
−−−
DIM MIN
MAX
MAX
0.081
0.008
0.020
0.010
0.504
0.215
A
−−−
0.05
0.35
0.15
12.35
5.10
2.05
A
A
b
1
1
0.20 0.002
0.50 0.014
0.25 0.006
b
c
M
0.10 (0.004)
0.13 (0.005)
D
E
12.80 0.486
5.45 0.201
e
1.27 BSC
0.050 BSC
H
7.40
0.50
1.10
8.20 0.291
0.85 0.020
1.50 0.043
0.323
0.033
0.059
E
L
L
E
M
Q
0
10
0.90 0.028
0
10
_
0.035
0.032
_
_
_
0.70
−−−
1
Z
0.81
−−−
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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
MOTOROLA
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