74LCX240WMX [ONSEMI]
带 5V 耐压输入和输出的低压八路缓冲器/线路驱动器;
| 型号： | 74LCX240WMX |
| 厂家： | 
ONSEMI |
| 描述： | 带 5V 耐压输入和输出的低压八路缓冲器/线路驱动器 驱动 光电二极管 逻辑集成电路 驱动器 |
| 文件： | 总14页 (文件大小：553K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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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
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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.
January 2008
74LCX240
Low Voltage Octal Buffer/Line Driver with 5V Tolerant
Inputs and Outputs
Features
General Description
■ 5V tolerant inputs and outputs
The LCX240 is an inverting octal buffer and line driver
designed to be employed as a memory address driver,
clock driver and bus oriented transmitter or receiver. The
■ 2.3V–3.6V V specifications provided
CC
■ 6.5ns t max. (V = 3.3V), 10µA I max.
PD
CC
CC
device is designed for low voltage (2.5V or 3.3V) V
CC
■ Power-down high impedance inputs and outputs
applications with capability of interfacing to a 5V signal
environment.
(1)
■ Supports live insertion/withdrawal
■
24mA output drive (V = 3.0V)
CC
The LCX240 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintain-
ing CMOS low power dissipation.
■ Implements proprietary noise/EMI reduction circuitry
■ Latch-up performance exceeds 500mA
■ ESD performance:
– Human body model > 2000V
– Machine model > 200V
Note:
1. To ensure the high-impedance state during power up
or down, OE should be tied to V through a pull-up
CC
resistor: the minimum value or the resistor is
determined by the current-sourcing capability of the
driver.
Ordering Information
Order
Number
Package
Number
Package Description
74LCX240WM
74LCX240SJ
M20B
M20D
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
20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
74LCX240MSA
74LCX240MTC
MSA20
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm
Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.
All packages are lead free per JEDEC: J-STD-020B standard.
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
Connection Diagram
Logic Diagram
Pin Description
Pin Names
Description
OE , OE
3-STATE Output Enable Inputs
1
2
I –I
Inputs
0
7
Truth Tables
O –O
Outputs
0
7
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)
2
n
L
H
L
L
H
X
H
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
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
CC
V
DC Input Voltage
DC Output Voltage
Output in 3-STATE
–0.5V to +7.0V
I
V
O
–0.5V to +7.0V
(2)
Output in HIGH or LOW State
–0.5V to V + 0.5V
CC
I
DC Input Diode Current, V < GND
–50mA
IK
I
I
DC Output Diode Current
OK
V
< GND
–50mA
+50mA
O
V
> V
CC
O
I
DC Output Source/Sink Current
DC Supply Current per Supply Pin
DC Ground Current per Ground Pin
Storage Temperature
50mA
O
I
100mA
CC
I
100mA
GND
T
–65°C to +150°C
STG
Note:
2. I Absolute Maximum Rating must be observed.
O
(3)
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
Min.
Max.
Units
V
Supply Voltage
Operating
CC
2.0
1.5
0
3.6
3.6
5.5
V
V
V
Data Retention
Input Voltage
Output Voltage
3-STATE
V
I
V
O
0
0
5.5
HIGH or LOW State
Output Current
V
CC
I
/ I
OH OL
V
V
V
= 3.0V–3.6V
= 2.7V–3.0V
= 2.3V–2.7V
24
12
8
mA
CC
CC
CC
T
Free-Air Operating Temperature
Input Edge Rate, V = 0.8V–2.0V, V = 3.0V
–40
0
85
10
°C
A
∆t / ∆V
ns/V
IN
CC
Note:
3. Unused inputs must be held HIGH or LOW. They may not float.
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
3
DC Electrical Characteristics
T = –40°C to +85°C
A
Symbol
Parameter
V
(V)
Conditions
Min.
1.7
Max.
Units
CC
V
HIGH Level Input Voltage
2.3–2.7
2.7–3.6
2.3–2.7
2.7–3.6
2.3–3.6
2.3
V
IH
2.0
V
LOW Level Input Voltage
HIGH Level Output Voltage
0.7
0.8
V
V
IL
V
I
I
I
I
I
I
I
I
I
I
= –100µA
= –8mA
= –12mA
= –18mA
= –24mA
= 100µA
= 8mA
V
– 0.2
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
CC
1.8
2.2
2.4
2.2
2.7
3.0
V
LOW Level Output Voltage
2.3–3.6
2.3
0.2
0.6
0.4
0.4
0.55
5.0
10
V
OL
2.7
= 12mA
= 16mA
= 24mA
3.0
I
Input Leakage Current
2.3–3.6
2.3–3.6
2.3–3.6
0 ≤ V ≤ 5.5V
µA
µA
µA
I
I
I
Power-Off Leakage Current
Quiescent Supply Current
V or V = 5.5V
I O
OFF
I
V = V or GND
10
CC
I
CC
(4)
3.6V ≤ V , V ≤ 5.5V
10
I
O
∆I
Increase in I per Input
V
= V = 0.6V
500
µA
CC
CC
IH
CC
Note:
4. Outputs disabled or 3-STATE only.
AC Electrical Characteristics
T = –40°C to +85°C, R = 500Ω
A
L
V
= 3.3V 0.3V,
V
= 2.7V,
V = 2.5V 0.2V,
CC
CC
CC
C = 50pF
C = 50pF
C = 30pF
L
L
L
Symbol
Parameter
Propagation Delay
Output Enable Time
Output Disable Time
Output to Output Skew
Min.
1.5
Max.
6.5
Min. Max.
Min.
1.5
Max.
7.8
Units
ns
t
, t
1.5
1.5
1.5
7.5
9.0
8.0
PHL PLH
t
t
, t
1.5
8.0
1.5
10.0
8.4
ns
PZL PZH
, t
1.5
7.0
1.5
ns
PLZ PHZ
(5)
t
, t
1.0
ns
OSHL OSLH
Note:
5. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate
outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-
LOW (t
) or LOW-to-HIGH (t
).
OSHL
OSLH
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
4
Dynamic Switching Characteristics
T = 25°C
A
Symbol
Parameter
V
(V)
Conditions
Typical
0.8
Unit
CC
V
Quiet Output Dynamic Peak V
3.3
C = 50pF, V = 3.3V, V = 0V
V
OLP
OL
L
IH
IL
2.5
3.3
2.5
C = 30pF, V = 2.5V, V = 0V
0.6
L
IH
IL
V
Quiet Output Dynamic Valley V
C = 50pF, V = 3.3V, V = 0V
–0.8
–0.6
V
OLV
OL
L
IH
IL
C = 30pF, V = 2.5V, V = 0V
L
IH
IL
Capacitance
Symbol
Parameter
Conditions
Typical
Units
pF
C
Input Capacitance
V
= Open, V = 0V or V
CC
7
8
IN
CC
CC
CC
I
C
Output Capacitance
V
V
= 3.3V, V = 0V or V
CC
pF
OUT
I
C
Power Dissipation Capacitance
= 3.3V, V = 0V or V , f = 10MHz
25
pF
PD
I
CC
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
5
AC Loading and Waveforms (Generic for LCX Family)
Test
Switch
t
t
, t
Open
PLH PHL
, t
6V at V = 3.3 0.3V
PZL PLZ
CC
V
x 2 at V = 2.5 0.2V
CC
CC
t
, t
GND
PZH PHZ
Figure 1. AC Test Circuit (C includes probe and jig capacitance)
L
3-STATE Output High Enable and
Waveform for Inverting and Non-Inverting Functions
Disable Times for Logic
Setup Time, Hold Time and Recovery Time for Logic
Propagation Delay. Pulse Width and t Waveforms
rec
3-STATE Output Low Enable and
Disable Times for Logic
t
and t
fall
rise
V
CC
Symbol
3.3V 0.3V
1.5V
2.7V
1.5V
1.5V
2.5V 0.2V
V
V
V
/ 2
/ 2
mi
CC
CC
V
1.5V
mo
V
V
+ 0.3V
– 0.3V
V
+ 0.3V
V
+ 0.15V
– 0.15V
x
y
OL
OL
OL
V
V
V
– 0.3V
V
OH
OH
OH
Figure 2. Waveforms (Input Characteristics; f = 1MHz, t = t = 3ns)
r
f
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
6
Schematic Diagram (Generic for LCX Family)
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
7
Physical Dimensions
13.00
12.60
A
11.43
20
11
B
9.50
10.65 7.60
10.00 7.40
2.25
1
PIN ONE
INDICATOR
10
0.65
0.51
0.35
1.27
1.27
M
0.25
C B A
LAND PATTERN RECOMMENDATION
SEE DETAIL A
2.65 MAX
0.33
0.20
C
0.10
C
0.30
0.10
SEATING PLANE
0.75
0.25
X 45°
NOTES: UNLESS OTHERWISE SPECIFIED
(R0.10)
(R0.10)
A) THIS PACKAGE CONFORMS TO JEDEC
MS-013, VARIATION AC, ISSUE E
GAGE PLANE
B) ALL DIMENSIONS ARE IN MILLIMETERS.
C) DIMENSIONS DO NOT INCLUDE MOLD
FLASH OR BURRS.
0.25
8°
0°
D) CONFORMS TO ASME Y14.5M-1994
1.27
0.40
SEATING PLANE
E) LANDPATTERN STANDARD: SOIC127P1030X265-20L
F) DRAWING FILENAME: MKT-M20BREV3
(1.40)
DETAIL A
SCALE: 2:1
Figure 3. 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions,
specifically the warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging/
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
8
Physical Dimensions (Continued)
Figure 4. 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions,
specifically the warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging/
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
9
Physical Dimensions (Continued)
Figure 5. 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions,
specifically the warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging/
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
10
Physical Dimensions (Continued)
Figure 6. 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Package drawings are provided as a service to customers considering Fairchild components. Drawings may change in any manner
without notice. Please note the revision and/or date on the drawing and contact a Fairchild Semiconductor representative to verify or
obtain the most recent revision. Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions,
specifically the warranty therein, which covers Fairchild products.
Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings:
http://www.fairchildsemi.com/packaging/
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
11
TRADEMARKS
The following includes registered and unregistered trademarks and service marks, owned by Fairchild Semiconductor and/or its global
subsidiaries, and is not intended to be an exhaustive list of all such trademarks.
ACEx®
PDP-SPM™
SupreMOS™
FPS™
Power220®
SyncFET™
Build it Now™
CorePLUS™
CROSSVOLT™
CTL™
Current Transfer Logic™
EcoSPARK®
EZSWITCH™ *
™
FRFET®
POWEREDGE®
Power-SPM™
PowerTrench®
Programmable Active Droop™
QFET®
®
Global Power ResourceSM
Green FPS™
Green FPS™e-Series™
GTO™
i-Lo™
IntelliMAX™
ISOPLANAR™
MegaBuck™
MICROCOUPLER™
MicroFET™
The Power Franchise®
TinyBoost™
TinyBuck™
TinyLogic®
TINYOPTO™
TinyPower™
TinyPWM™
TinyWire™
µSerDes™
UHC®
QS™
QT Optoelectronics™
Quiet Series™
RapidConfigure™
SMART START™
SPM®
STEALTH™
SuperFET™
SuperSOT™-3
SuperSOT™-6
SuperSOT™-8
®
Fairchild®
Fairchild Semiconductor®
FACT Quiet Series™
FACT®
MicroPak™
MillerDrive™
Motion-SPM™
OPTOLOGIC®
FAST®
Ultra FRFET™
UniFET™
VCX™
OPTOPLANAR®
FastvCore™
®
FlashWriter® *
* EZSWITCH™ and FlashWriter® are trademarks of System General Corporation, used under license by Fairchild Semiconductor.
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS
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.
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 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
This datasheet contains the design specifications for product
development. Specifications may change in any manner without notice.
Advance Information
Formative or In Design
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.
Preliminary
First Production
Full Production
Not In Production
This datasheet contains final specifications. Fairchild Semiconductor
reserves the right to make changes at any time without notice to improve
the design.
No Identification Needed
Obsolete
This datasheet contains specifications on a product that has been
discontinued by Fairchild Semiconductor. The datasheet is printed for
reference information only.
Rev. I33
©1994 Fairchild Semiconductor Corporation
74LCX240 Rev. 1.6.0
www.fairchildsemi.com
12
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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
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regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or
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