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Semiconductor Components Industries, LLC, 2012
October, 2012 − Rev. 10
1 Publication Order Number:
MC74LCX240/D
MC74LCX240
Low-Voltage CMOS
Octal Buffer
With 5 V−Tolerant Inputs and Outputs
(3−State, Inverting)
The MC74LCX240 is a high performance, inverting octal buffer
operating from a 2.3 to 3.6 V supply. High impedance TTL compatible
inputs significantly reduce current loading to input drivers while TTL
compatible outputs offer improved switching noise performance. A V
I
specification of 5.5 V allows MC74LCX240 inputs to be safely driven
from 5 V devices. The MC74LCX240 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
(OE
) input, when HIGH, disables the outputs by placing them in
a HIGH Z condition.
Features
Designed for 2.3 to 3.6 V V
CC
Operation
5 V Tolerant − Interface Capability With 5 V TTL Logic
Supports Live Insertion and Withdrawal
I
OFF
Specification Guarantees High Impedance When V
CC
= 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
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
1
20
MARKING
DIAGRAMS
SOIC−20 WB
DW SUFFIX
CASE 751D
LCX240
AWLYYWWG
LCX
240
ALYWG
G
TSSOP−20
DT SUFFIX
CASE 948E
1
1
20
1
20
20
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
ORDERING INFORMATION
http://onsemi.com
A = Assembly Location
WL, L = Wafer Lot
YY, Y = Year
WW, W = Work Week
G or G = Pb−Free Package
(Note: Microdot may be in either location)
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