74VHC240MTCX [ONSEMI]
带 3 状态输出的八路缓冲器/线路驱动器;型号: | 74VHC240MTCX |
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 逻辑集成电路 驱动器 |
文件: | 总11页 (文件大小:300K) |
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
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is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.
April 2007
74VHC240
tm
Octal Buffer/Line Driver with 3-STATE Outputs
Features
General Description
■ High Speed: t = 3.6ns (typ) at T = 25°C
The VHC240 is an advanced high speed CMOS octal
bus buffer fabricated with silicon gate CMOS technology.
It achieves high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low
power dissipation. The VHC240 is an inverting 3-STATE
buffer having two active-LOW output enables. This
device is designed to drive buslines or buffer memory
address registers.
PD
A
■ Low power dissipation: I = 4µA (max) @ T = 25°C
CC
A
■ High noise immunity: V
= V
= 28% V (min.)
NIH
NIL
CC
■ Power down protection is provided on all inputs
■ Low noise: V = 0.9V (max.)
OLP
■ Pin and function compatible with 74HC240
An input protection circuit ensures that 0V to 7V can be
applied to the input pins without regard to the supply
voltage. This device can be used to interface 5V to 3V
systems and two supply systems such as battery
backup. This circuit prevents device destruction due to
mismatched supply and input voltages.
Ordering Information
Package
Order Number
74VHC240M
Number
Package Description
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74VHC240SJ
M20D
74VHC240MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
Surface mount packages are also available on Tape and Reel. Specify by appending the suffix letter “X” to the
ordering number. Pb-Free package per JEDEC J-STD-020B.
Connection Diagram
Pin Descriptions
Pin Names
Description
OE , OE
3-STATE Output Enable Inputs
Inputs
1
2
I –I
0
7
O –O
Outputs 3-STATE Outputs
0
7
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
Logic Symbol
Truth Tables
IEEE/IEC
Inputs
Outputs
OE
L
I
(Pins 12, 14, 16, 18)
1
n
L
H
L
L
H
X
H
Z
Inputs
Outputs
OE
L
I
(Pins 3, 5, 7, 9)
1
n
L
H
L
L
H
X
H
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
2
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
Parameter
Rating
V
Supply Voltage
–0.5V to +7.0V
–0.5V to +7.0V
CC
V
DC Input Voltage
DC Output Voltage
Input Diode Current
Output Diode Current
DC Output Current
IN
V
–0.5V to V + 0.5V
OUT
CC
I
–20mA
20mA
IK
I
OK
I
25mA
OUT
I
DC V /GND Current
75mA
CC
CC
T
Storage Temperature
–65°C to +150°C
260°C
STG
T
Lead Temperature (Soldering, 10 seconds)
L
(1)
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not
recommend exceeding them or designing to absolute maximum ratings.
Symbol
Parameter
Rating
V
Supply Voltage
2.0V to +5.5V
0V to +5.5V
0V to V
CC
V
Input Voltage
IN
V
Output Voltage
OUT
CC
T
Operating Temperature
Input Rise and Fall Time,
–40°C to +85°C
OPR
t , t
r
f
V
V
= 3.3V 0.3V
= 5.0V 0.5V
0ns/V ∼ 100ns/V
0ns/V ∼ 20ns/V
CC
CC
Note:
1. Unused inputs must be held HIGH or LOW. They may not float.
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
3
DC Electrical Characteristics
T =
A
25°C
Typ.
–40°C to +85°C
Symbol
Parameter
V
(V)
Conditions
Min.
Max.
Min.
Max.
Units
CC
2.0
V
HIGH Level
1.50
1.50
V
IH
Input Voltage
3.0–5.5
2.0
0.7 x V
0.7 x V
CC
CC
V
LOW Level Input
Voltage
0.50
0.50
V
V
IL
3.0–5.5
2.0
0.3 x V
0.3 x V
CC
CC
V
HIGH Level
Output
Voltage
V
= V
I
= –50µA
1.9
2.9
2.0
3.0
4.5
1.9
2.9
OH
IN
IH OH
or V
3.0
IL
4.5
4.4
4.4
3.0
I
= –4mA
= –8mA
= 50µA
2.58
3.94
2.48
3.80
OH
4.5
I
OH
V
LOW Level
Output Voltage
2.0
V
or V
=V
IL
I
0.0
0.0
0.0
0.1
0.1
0.1
0.1
V
OL
IN
IH OL
3.0
4.5
0.1
0.1
3.0
I
= 4mA
= 8mA
0.36
0.36
0.44
0.44
2.5
OL
4.5
I
OL
I
3-STATE Output
Off-State
5.5
V
= V or V ;
0.25
µA
OZ
IN
IH
IL
V
= V or GND
OUT
CC
Current
I
Input Leakage
Current
0–5.5
5.5
V
V
= 5.5V or GND
0.1
4.0
1.0
µA
µA
IN
IN
IN
I
Quiescent
= V or GND
40.0
CC
CC
Supply Current
Noise Characteristics
T = 25°C
A
Symbol
Parameter
V
(V)
Conditions
Typ.
Limits
Units
CC
(2)
V
Quiet Output Maximum
Dynamic V
5.0
C = 50pF
0.6
0.9
–0.9
3.5
V
V
V
V
OLP
L
OL
(2)
V
Quiet Output Minimum
Dynamic V
5.0
5.0
5.0
C = 50pF
–0.6
OLV
L
OL
(2)
V
Minimum HIGH Level
Dynamic Input Voltage
C = 50pF
IHD
L
(2)
V
Maximum LOW Level
Dynamic Input Voltage
C = 50pF
1.5
ILD
L
Note:
2. Parameter guaranteed by design.
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
4
AC Electrical Characteristics
T = –40°C
A
T = 25°C
to +85°C
A
Symbol
Parameter
V
(V)
Conditions
Min. Typ. Max. Min. Max. Units
CC
t
, t
Propagation Delay
Time
3.3 0.3
C = 15pF
5.3
7.8
3.6
5.1
6.6
9.1
4.7
6.2
10.3
7.5
11.0
5.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
9.0
12.5
6.5
ns
PLH PHL
L
C = 50pF
L
5.0 0.5
C = 15pF
L
C = 50pF
7.5
8.5
L
t
, t
3-STATE Output
Enable Time
3.3 0.3 R = 1kΩ C = 15pF
10.6
14.1
7.3
12.5
16.0
8.5
ns
PZL PZH
L
L
C = 50pF
L
5.0 0.5
C = 15pF
L
C = 50pF
9.3
10.5
16.0
10.5
1.5
L
t
, t
3-STATE Output
Disable Time
3.3 0.3 R = 1kΩ C = 50pF
14.0
9.2
ns
ns
PLZ PHZ
L
L
5.0 0.5
3.3 0.3
5.0 0.5
C = 50pF
6.7
L
(3)
t
,
Output to Output
Skew
C = 50pF
1.5
OSLH
L
t
OSHL
C = 50pF
1.0
1.0
L
C
Input Capacitance
Output Capacitance
V
V
= Open
= 5.0V
4
6
10
10
pF
pF
pF
IN
CC
C
OUT
CC
(4)
C
Power Dissipation
Capacitance
17
PD
Notes:
3. Parameter guaranteed by design. t
= |t
– t
|; t
= |t
– t
|
OSLH
PLHmax
PLHmin OSHL
PHLmax
PHLmin
4. C is defined as the value of the internal equivalent capacitance which is calculated from the operating
PD
current consumption without load. Average operating current can be obtained by the equation:
I
(opr.) = C • V • f + I / 8 (per bit).
CC
PD CC IN CC
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
5
Physical Dimensions
Dimensions are in inches (millimeters) unless otherwise noted.
Figure 1. 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Package Number M20B
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
6
Physical Dimensions (Continued)
Dimensions are in millimeters unless otherwise noted.
Figure 2. 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package Number M20D
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
7
Physical Dimensions (Continued)
Dimensions are in millimeters unless otherwise noted.
Figure 3. 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package Number MTC20
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
8
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended to be an
exhaustive list of all such trademarks.
ACEx®
TinyLogic®
TINYOPTO¥
TinyPower¥
TinyWire¥
TruTranslation¥
PSerDes¥
UHC®
UniFET¥
VCX¥
Wire¥
HiSeC¥
i-Lo¥
Programmable Active Droop¥
QFET®
QS¥
QT Optoelectronics¥
Quiet Series¥
RapidConfigure¥
RapidConnect¥
ScalarPump¥
SMART START¥
SPM®
STEALTH™
SuperFET¥
SuperSOT¥-3
SuperSOT¥-6
SuperSOT¥-8
SyncFET™
Across the board. Around the world.¥
ActiveArray¥
Bottomless¥
Build it Now¥
CoolFET¥
ImpliedDisconnect¥
IntelliMAX¥
ISOPLANAR¥
MICROCOUPLER¥
MicroPak¥
MICROWIRE¥
MSX¥
CROSSVOLT¥
CTL™
Current Transfer Logic™
DOME¥
MSXPro¥
OCX¥
E2CMOS¥
EcoSPARK®
EnSigna¥
OCXPro¥
OPTOLOGIC®
OPTOPLANAR®
PACMAN¥
POP¥
FACT Quiet Series™
FACT®
FAST®
Power220®
Power247®
PowerEdge¥
PowerSaver¥
PowerTrench®
FASTr¥
TCM¥
The Power Franchise®
™
FPS¥
FRFET®
GlobalOptoisolator¥
GTO¥
TinyBoost¥
TinyBuck¥
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HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE
APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER
ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. THESE SPECIFICATIONS DO NOT EXPAND THE TERMS OF FAIRCHILD’S
WORLDWIDE TERMS AND CONDITIONS, SPECIFICALLY THE WARRANTY THEREIN, WHICH COVERS THESE PRODUCTS.
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FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR
SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or systems 2. A critical component in any component of a life support,
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 reasonably expected to
result in a significant injury of the user.
device, or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or In Design
This datasheet contains the design specifications for product
development. Specifications may change in any manner without notice.
Preliminary
First Production
Full Production
Not In Production
This datasheet contains preliminary data; supplementary data will be
published at a later date. Fairchild Semiconductor reserves the right to
make changes at any time without notice to improve design.
No Identification Needed
Obsolete
This datasheet contains final specifications. Fairchild Semiconductor
reserves the right to make changes at any time without notice to improve
design.
This datasheet contains specifications on a product that has been
discontinued by Fairchild Semiconductor. The datasheet is printed for
reference information only.
Rev. I24
©1992 Fairchild Semiconductor Corporation
74VHC240 Rev. 1.3
www.fairchildsemi.com
9
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are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
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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
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