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MC74LCX373 Datasheet PDF : 9 Pages
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MC74LCX373
Low-Voltage CMOS
Octal Transparent Latch
With 5 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The MC74LCX373 is a high performance, non−inverting octal
transparent latch 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 VI specification of 5.5 V allows
MC74LCX373 inputs to be safely driven from 5 V devices.
The MC74LCX373 contains 8 D−type latches with 3−state outputs.
When the Latch Enable (LE) input is HIGH, data on the Dn inputs
enters the latches. In this condition, the latches are transparent, i.e.,
a latch output will change state each time its D input changes. When
LE is LOW, the latches store the information that was present on the D
inputs a setup time preceding the HIGH−to−LOW transition of LE.
The 3−state standard outputs are controlled by the Output Enable (OE)
input. When OE is LOW, the standard outputs are enabled. When OE
is HIGH, the standard outputs are in the high impedance state, but this
does not interfere with new data entering into the latches.
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
• NLV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS
Compliant
http://onsemi.com
20
1
MARKING
DIAGRAMS
20
SOIC−20 WB
DW SUFFIX
CASE 751D
LCX373
AWLYYWWG
1
20
1
20
TSSOP−20
DT SUFFIX
CASE 948E
1
LCX
373
ALYWG
G
A
L, WL
Y, YY
W, WW
G or G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
1
January, 2013 − Rev. 12
Publication Order Number:
MC74LCX373/D
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