74AC540SCX [ONSEMI]
带 3 状态输出的八路缓冲器/线路驱动器;型号: | 74AC540SCX |
厂家: | ONSEMI |
描述: | 带 3 状态输出的八路缓冲器/线路驱动器 驱动 光电二极管 输出元件 逻辑集成电路 驱动器 |
文件: | 总9页 (文件大小:214K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s
technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA
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November 1988
Revised March 2005
74AC540
Octal Buffer/Line Driver with 3-STATE Outputs
General Description
The AC540 is an octal buffer/line drivers designed to be
employed as memory and address drivers, clock drivers
and bus oriented transmitter/receivers.
Features
■ ICC and IOZ reduced by 50%
■ 3-STATE inverting outputs
■ Inputs and outputs opposite side of package, allowing
easier interface to microprocessors
These devices are similar in function to the AC240 while
providing flow-through architecture (inputs on opposite side
from outputs). This pinout arrangement makes these
devices especially useful as output ports for microproces-
sors, allowing ease of layout and greater PC board density.
■ Output source/sink 24 mA
Ordering Code:
Order Number Package Number
Package Description
74AC540SC
74AC540SJ
74AC540MTC
74AC540PC
M20B
M20D
MTC20
N20A
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Pb-Free package per JEDEC J-STD-020B.
Logic Symbol
Connection Diagram
IEEE/IEC
Truth Table
Inputs
OE2
Outputs
OE1
I
L
H
X
L
L
X
H
L
H
X
X
L
L
Z
Z
H
H
L
HIGH Voltage Level
LOW Voltage Level
X
Z
Immaterial
High Impedance
FACT is a trademark of Fairchild Semiconductor Corporation.
© 2005 Fairchild Semiconductor Corporation
Ds009966
www.fairchildsemi.com
Absolute Maximum Ratings(Note 1)
Recommended Operating
Conditions
Supply Voltage (VCC
DC Input Diode Current (IIK
VI 0.5V
)
0.5V to 7.0V
)
Supply Voltage (VCC
)
2.0V to 6.0V
0V to VCC
20 mA
20 mA
Input Voltage (VI)
VI VCC 0.5V
Output Voltage (VO)
0V to VCC
DC Input Voltage (VI)
0.5V to VCC 0.5V
Operating Temperature (TA)
40 C to 85 C
125 mV/ns
DC Output Diode Current (IOK
VO 0.5V
)
Minimum Input Edge Rate ( V/ t)
20 mA
20 mA
V
IN from 30% to 70% of VCC
VO VCC 0.5V
VCC @ 3.3V, 4.5V, 5.5V
DC Output Voltage (VO)
DC Output Source
0.5V to VCC 0.5V
or Sink Current (IO)
50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND
)
50 mA
Note 1: Absolute maximum ratings are those values beyond which damage
to the device may occur. The databook specifications should be met, with-
out exception, to ensure that the system design is reliable over its power
supply, temperature, and output/input loading variables. Fairchild does not
recommend operation of FACT circuits outside databook specifications.
Storage Temperature (TSTG
Junction Temperature (TJ)
PDIP
)
65 C to 150 C
140 C
DC Electrical Characteristics
V
T
25 C
T
A
40 C to 85 C
CC
A
Symbol
Parameter
Units
Conditions
(V)
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
Typ
Guaranteed Limits
V
V
V
Minimum HIGH Level
Input Voltage
1.5
2.1
2.1
3.15
3.85
0.9
V
0.1V
IH
OUT
2.25
2.75
1.5
3.15
3.85
0.9
V
or V
0.1V
CC
Maximum LOW Level
Input Voltage
V
0.1V
0.1V
IL
OUT
2.25
2.75
2.99
4.49
5.49
1.35
1.65
2.9
1.35
1.65
2.9
V
V
or V
CC
Minimum HIGH Level
Output Voltage
OH
4.4
4.4
I
50 A
OUT
5.4
5.4
V
V or V
IL IH
IN
OH
OH
OH
3.0
4.5
5.5
3.0
4.5
5.5
2.56
3.86
4.86
0.1
2.46
3.76
4.76
0.1
I
I
I
12 mA
24 mA
V
V
24 mA (Note 2)
V
Maximum LOW Level
Output Voltage
0.002
0.001
0.001
OL
0.1
0.1
I
50
A
OUT
0.1
0.1
V
V
or V
IH
IN
OL
OL
OL
IL
3.0
4.5
5.5
5.5
0.36
0.36
0.36
0.1
0.44
0.44
0.44
1.0
I
I
I
12 mA
24 mA
V
A
24 mA (Note 2)
V , GND
CC
I
Maximum Input
Leakage Current
Maximum 3-STATE
Current
V
IN
I
(Note 4)
I
V (OE)
V , V
IL IH
OZ
I
5.5
0.25
4.0
2.5
A
V
V
V
V
V
V
, GND
I
CC
V
, GND
O
CC
I
I
I
Minimum Dynamic
Output Current (Note 3)
Maximum Quiescent
Supply Current
5.5
5.5
5.5
75
75
mA
mA
A
1.65V Max
3.85V Min
OLD
OHD
CC
OLD
OHD
IN
40.0
V
CC
(Note 4)
or GND
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: I and I @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V V .
CC
IN
CC
www.fairchildsemi.com
2
AC Electrical Characteristics
V
T
25 C
T
40 C to 85 C
50 pF
Min Max
CC
A
A
C
50 pF
C
L
Symbol
Parameter
(V)
(Note 5)
3.3
Units
L
Min
1.5
1.5
1.5
1.5
3.0
2.0
2.5
2.0
2.5
1.5
2.5
1.5
Typ
Max
7.5
t
t
t
t
t
t
Propagation Delay
5.5
4.0
5.0
4.0
8.5
6.5
7.5
6.0
8.5
7.5
7.0
6.0
1.0
1.0
1.0
1.0
2.5
2.0
2.0
1.5
1.5
1.0
2.0
1.5
8.0
6.5
PLH
ns
ns
ns
ns
ns
ns
Data to Output
5.0
6.0
Propagation Delay
Data to Output
3.3
7.0
7.5
PHL
PZH
PZL
PHZ
PLZ
5.0
5.5
6.0
Output Enable Time
3.3
11.0
8.5
12.0
9.5
5.0
Output Enable Time
Output Disable Time
Output Disable Time
3.3
10.0
7.5
11.0
8.5
5.0
3.3
13.0
10.5
10.0
8.0
14.0
11.0
11.0
9.0
5.0
3.3
5.0
Note 5: Voltage Range 3.3 is 3.3V 0.3V
Voltage Range 5.0 is 5.0V 0.5V
Capacitance
Symbol
Parameter
Typ
4.5
Units
pF
Conditions
C
C
Input Capacitance
V
V
OPEN
5.0V
IN
CC
Power Dissipation Capacitance
30.0
pF
PD
CC
3
www.fairchildsemi.com
Physical Dimensions inches (millimeters) unless otherwise noted
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Package Number M20B
www.fairchildsemi.com
4
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
Pb-Free 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M20D
5
www.fairchildsemi.com
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package Number MTC20
www.fairchildsemi.com
6
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Package Number N20A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
7
www.fairchildsemi.com
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent
coverage may be accessed at www.onsemi.com/site/pdf/Patent−Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein.
ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability
arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages.
Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards,
regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or
specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer
application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not
designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification
in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized
application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and
expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such
claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This
literature is subject to all applicable copyright laws and is not for resale in any manner.
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