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74ACQ373 Datasheet(Fiches technique) 1 Page - Fairchild Semiconductor

Numéro de pièce 74ACQ373
Description  Quiet Series™ Octal Transparent Latch with 3-STATE Outputs
Télécharger  13 Pages
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

74ACQ373 Datasheet(HTML) 1 Page - Fairchild Semiconductor

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tm
April 2007
1989 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74ACQ373, 74ACTQ373 Rev. 1.3
74ACQ373, 74ACTQ373
Quiet Series? Octal Transparent Latch with 3-STATE
Outputs
Features
? ICC and IOZ reduced by 50%
? Guaranteed simultaneous switching noise level and
dynamic threshold performance
? Guaranteed pin-to-pin skew AC performance
? Improved latch up immunity
? Eight latches in a single package
? 3-STATE outputs drive bus lines or buffer memory
address registers
? Outputs source/sink 24mA
? Faster prop delays than the standard AC/ACT373
General Description
The ACQ/ACTQ373 consists of eight latches with
3-STATE outputs for bus organized system applications.
The latches appear transparent to the data when Latch
Enable (LE) is HIGH. When LE is LOW, the data satisfy-
ing the input timing requirements is latched. Data
appears on the bus when the Output Enable (OE) is
LOW. When OE is HIGH, the bus output is in the HIGH
impedance state.
The ACQ/ACTQ373 utilizes Fairchild Quiet Series?
technology to guarantee quiet output switching and
improve
dynamic
threshold
performance.
features
GTO? output control and undershoot corrector in addi-
tion to a split ground bus for superior performance.
Ordering Information
Device also available in Tape and Reel. Specify by appending suffix letter ?X? to the ordering number.
Connection Diagram
Pin Descriptions
Order
Number
Package
Number
Package Description
74ACQ373SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300? Wide Body
74ACQ373SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACTQ373SC
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300? Wide Body
74ACTQ373SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74ACQT373QSC
MQA20
20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150? Wide
Pin Names
Description
D0?D7
Data Inputs
LE
Latch Enable Input
OE
Output Enable Input
O0?O7
3-STATE Latch Outputs
FACT?, Quiet Series?, FACT Quiet Series?, and GTO? are trademarks of Fairchild Semiconductor Corporation.


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