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74AC16543 Datasheet(PDF) 1 Page - Texas Instruments

Part No. 74AC16543
Description  16-BIT REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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74AC16543 Datasheet(HTML) 1 Page - Texas Instruments

   
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54AC16543, 74AC16543
16-BIT REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS125B – MARCH 1990 – REVISED APRIL 1996
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Members of the Texas Instruments
Widebus
™ Family
D 3-State True Outputs
D Flow-Through Architecture Optimizes
PCB Layout
D Distributed VCC and GND Pin Configuration
Minimizes High-Speed Switching Noise
D EPIC ™ (Enhanced-Performance Implanted
CMOS) 1-
µm Process
D 500-mA Typical Latch-Up Immunity at
125
°C
D Package Options Include Plastic 300-mil
Shrink Small-Outline (DL) Package Using
25-mil Center-to-Center Pin Spacings and
380-mil Fine-Pitch Ceramic Flat (WD)
Package Using 25-mil Center-to-Center Pin
Spacings
description
The ’AC16543 are 16-bit registered transceivers
that contain two sets of D-type latches for
temporary storage of data flowing in either
direction.
They can be used as two 8-bit
transceivers or one 16-bit transceiver. Separate
latch-enable (LEAB or LEBA) and output-enable
(OEAB or OEBA) inputs are provided for each
register to permit independent control in either
direction of data flow.
The A-to-B enable (CEAB) input must be low to
enter data from A or to output data to B. Having
CEAB low and LEAB low makes the A-to-B latches transparent; a subsequent low-to-high transition at LEAB
puts the A latches in the storage mode. Data flow from B to A is similar, but requires using the CEBA, LEBA,
and OEBA inputs.
The 74AC16543 is packaged in TI’s shrink small-outline package, which provides twice the I/O pin count and
functionality of standard small-outline packages in the same printed-circuit-board area.
The 54AC16543 is characterized for operation over the full military temperature range of –55
°C to 125°C. The
74AC16543 is characterized for operation from –40
°C to 85°C.
Copyright
© 1996, Texas Instruments Incorporated
UNLESS OTHERWISE NOTED this document contains PRODUCTION
DATA information current as of publication date. Products conform to
specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all
parameters.
EPIC and Widebus are trademarks of Texas Instruments Incorporated.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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1OEAB
1LEAB
1CEAB
GND
1A1
1A2
VCC
1A3
1A4
1A5
GND
1A6
1A7
1A8
2A1
2A2
2A3
GND
2A4
2A5
2A6
VCC
2A7
2A8
GND
2CEAB
2LEAB
2OEAB
1OEBA
1LEBA
1CEBA
GND
1B1
1B2
VCC
1B3
1B4
1B5
GND
1B6
1B7
1B8
2B1
2B2
2B3
GND
2B4
2B5
2B6
VCC
2B7
2B8
GND
2CEBA
2LEBA
2OEBA
54AC16543 . . . WD PACKAGE
74AC16543 . . . DL PACKAGE
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