74ABT543 Fairchild Semiconductor, 74ABT543 Datasheet

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74ABT543

Manufacturer Part Number
74ABT543
Description
Octal Registered Transceiver with 3-STATE Outputs
Manufacturer
Fairchild Semiconductor
Datasheet

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© 1999 Fairchild Semiconductor Corporation
74ABT543CSC
74ABT543CMSA
74ABT543CMTC
74ABT543
Octal Registered Transceiver with 3-STATE Outputs
General Description
The ABT543 octal transceiver contains two sets of D-type
latches for temporary storage of data flowing in either
direction. Separate Latch Enable and Output Enable inputs
are provided for each register to permit independent con-
trol of inputting and outputting in either direction of data
flow.
Features
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
Order Number
Back-to-back registers for storage
Bidirectional data path
A and B outputs have current sourcing capability of 32
mA and current sinking capability of 64 mA
SOIC, SSOP and TSSOP
Package Number
Pin Assignment for
MSA24
MTC24
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body
24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide
24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
DS011508.prf
Pin Descriptions
Separate controls for data flow in each direction
Guaranteed output skew
Guaranteed multiple output switching specifications
Output switching specified for both 50 pF and 250 pF
loads
Guaranteed simultaneous switching noise level and
dynamic threshold performance
Guaranteed latchup protection
High impedance glitch free bus loading during entire
power up and power down cycle
Nondestructive hot insertion capability
OEAB, OEBA
LEAB, LEBA
CEAB, CEBA
A
B
0
0
Pin Names
–A
–B
Package Description
7
7
Output Enable Inputs
Latch Enable Inputs
Chip Enable Inputs
Side A Inputs or 3-STATE Outputs
Side B Inputs or 3-STATE Outputs
November 1992
Revised January 1999
Description
www.fairchildsemi.com

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74ABT543 Summary of contents

Page 1

... Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 74ABT543CMSA MSA24 24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide 74ABT543CMTC MTC24 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. ...

Page 2

Functional Description The ABT543 contains two sets of D-type latches, with sep- arate input and output controls for each. For data flow from for example, the Enable (CEAB) input must be low in order ...

Page 3

Absolute Maximum Ratings Storage Temperature Ambient Temperature under Bias Junction Temperature under Bias V Pin Potential to CC Ground Pin Input Voltage (Note 2) Input Current (Note 2) Voltage Applied to Any Output in the Disable or Power-Off State in ...

Page 4

DC Electrical Characteristics (SOIC Package) Symbol Parameter V Quiet Output Maximum Dynamic V OLP OL V Quiet Output Minimum Dynamic V OLV OL V Minimum HIGH Level Dynamic Output Voltage OHV V Minimum HIGH Level Dynamic Input Voltage IHD V ...

Page 5

Extended AC Electrical Characteristics (SOIC Package) Symbol Parameter f Max Toggle Frequency TOGGLE t Propagation Delay PLH PHL Propagation Delay PLH t LEAB LEBA ...

Page 6

Capacitance Symbol Parameter C Input Capacitance IN C (Note 18) Output Capacitance I/O Note 18 measured at frequency MHz, PER MLT-STD-883B, METHOD 3012. I/O AC Loading *Includes jig and probe capacitance FIGURE 1. Standard AC Test ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body 24-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide Package Number M24B Package Number MSA24 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide LIFE SUPPORT POLICY FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE ...

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