MC74LCX540 查看數據表（PDF） - ON Semiconductor
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MC74LCX540 Datasheet PDF : 8 Pages
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MC74LCX540
Low−Voltage CMOS
Octal Buffer
Flow Through Pinout
With 5 V−Tolerant Inputs and Outputs
(3−State, Inverting)
The MC74LCX540 is a high performance, inverting octal buffer
operating from a 2.3 to 3.6 V supply. This device is similar in function
to the MC74LCX240, while providing flow through architecture.
High impedance TTL compatible inputs significantly reduce current
loading to input drivers while TTL compatible outputs offer improved
switching noise performance. A VI specification of 5.5 V allows
MC74LCX540 inputs to be safely driven from 5 V devices. The
MC74LCX540 is suitable for memory address driving and all TTL
level bus oriented transceiver applications.
Current drive capability is 24 mA at the outputs. The Output Enable
(OE1, OE2) inputs, when HIGH, disables the outputs by placing them
in a HIGH Z condition.
Features
• Designed for 2.3 to 3.6 V VCC Operation
• 5 V Tolerant − Interface Capability With 5 V TTL Logic
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0 V
• LVTTL Compatible
• LVCMOS Compatible
• 24 mA Balanced Output Sink and Source Capability
• Near Zero Static Supply Current in All Three Logic States (10 mA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds 500 mA
• ESD Performance: Human Body Model >2000 V
Machine Model >200 V
• Pb−Free Packages are Available*
http://onsemi.com
MARKING
DIAGRAMS
20
1
20
SOIC−20
DW SUFFIX
CASE 751D
1
LCX540
AWLYYWW
20
1
20
TSSOP−20
DT SUFFIX
CASE 948E
1
LCX
540
ALYW
20
1
20
SOEIAJ−20
M SUFFIX
CASE 967
1
74LCX540
AWLYWW
A
L, WL
Y, YY
W, WW
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
1
January, 2005 − Rev. 5
Publication Order Number:
MC74LCX540/D
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