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74ACTQ16543 Datasheet(PDF) 1 Page - Fairchild Semiconductor

Part No. 74ACTQ16543
Description  16-Bit Registered Transceiver with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74ACTQ16543 Datasheet(HTML) 1 Page - Fairchild Semiconductor

   
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December 1991
Revised December 1998
© 1999 Fairchild Semiconductor Corporation
DS010967.prf
www.fairchildsemi.com
74ACTQ16543
16-Bit Registered Transceiver with 3-STATE Outputs
General Description
The ACTQ16543 contains sixteen non-inverting transceiv-
ers containing two sets of D-type registers for temporary
storage of data flowing in either direction. Each byte has
separate control inputs which can be shorted together for
full 16-bit operation. Separate Latch Enable and Output
Enable inputs are provided for each register to permit inde-
pendent input and output control in either direction of data
flow.
The ACTQ16543 utilizes Fairchild Quiet Series
™ technol-
ogy to guarantee quiet output switching and improved
dynamic threshold performance. FACT Quiet Series
™ fea-
tures GTO
™ output control and undershoot corrector for
superior performance.
Features
s Utilizes Fairchild FACT Quiet Series technology
s Guaranteed simultaneous switching noise level and
dynamic threshold performance
s Guaranteed pin-to-pin output skew
s Independent registers for A and B buses
s Separate controls for data flow in each direction
s Back-to-back registers for storage
Multiplexed real-time and stored data transfers
s Separate control logic for each byte
s 16-bit version of the ACTQ543
s Outputs source/sink 24 mA
s Additional specs for Multiple Output Switching
s Output loading specs for both 50 pF and 250pF loads
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
FACT
™, Quiet Series™, FACT Quiet Series™ and GTO™ are trademarks of Fairchild Semiconductor Corporation.
Order Number
Package Number
Package Description
74ACTQ16543SSC
MS56A
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300” Wide
74ACTQ16543MTD
MTD56
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Pin Names
Descriptions
OEABn
A-to-B Output Enable Input (Active LOW)
OEBAn
B-to-A Output Enable Input (Active LOW)
CEABn
A-to-B Enable Input (Active LOW)
CEBAn
B-to-A Enable Input (Active LOW)
LEABn
A-to-B Latch Enable Input (Active LOW)
LEBAn
B-to-A Latch Enable Input (Active LOW)
A0–A15
A-to-B Data Inputs or
B-to-A 3-STATE Outputs
B0–B15
B-to-A Data Inputs or
A-to-B 3-STATE Outputs


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