74ACTQ563 Просмотр технического описания (PDF) - Fairchild Semiconductor
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74ACTQ563 Datasheet PDF : 7 Pages
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January 1990
Revised December 1998
74ACTQ563
Quiet Series™ Octal Latch with 3-STATE Outputs
General Description
The ACTQ563 is a high speed octal latch with buffered
common Latch Enable (LE) and buffered common Output
Enable (OE) inputs. The ACTQ563 is functionally identical
to the ACTQ573, but with inverted outputs. The ACTQ563
utilizes Fairchild FACT Quiet Series™ technology to guar-
antee quiet output switching and improved dynamic thresh-
old performance. FACT Quiet Series features GTO™
output control and undershoot corrector in addition to a
split ground bus for superior performance.
Features
s ICC and IOZ reduced by 50%
s Guaranteed simultaneous switching noise level and
dynamic threshold performance
s Guaranteed pin-to-pin skew AC performance
s Improved latch-up immunity
s Inputs and outputs on opposite sides of package allow
easy interface with microprocessors
s Outputs source/sink 24 mA
s Faster prop delays than standard ACT563
s Functionally identical to the ACTQ573 but with inverted
outputs
Ordering Code:
Order Number Package Number
Package Description
74ACTQ563PC
N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
Pin Assignment for DIP
IEEE/IEC
Pin Descriptions
Pin Names
D0–D7
LE
OE
O0–O7
Description
Data Inputs
Latch Enable Input
3-STATE Output Enable Input
3-STATE Latch Outputs
FACT™, Quiet Series™, FACT Quiet Series™ and GTO™ are trademarks of Fairchild Semiconductor Corporation.
© 1999 Fairchild Semiconductor Corporation DS010631.prf
www.fairchildsemi.com
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