74lcx16543 Fairchild Semiconductor, 74lcx16543 Datasheet

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74lcx16543

Manufacturer Part Number
74lcx16543
Description
74lcx16543 Low Voltage 16-bit Registered Transceiver With 5v Tolerant Inputs And Outputs
Manufacturer
Fairchild Semiconductor
Datasheet

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74lcx16543MTD
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© 2001 Fairchild Semiconductor Corporation
74LCX16543MEA
74LCX16543MTD
74LCX16543
Low Voltage 16-Bit Registered Transceiver
with 5V Tolerant Inputs and Outputs
General Description
The LCX16543 contains sixteen non-inverting transceivers
containing two sets of D-type registers for temporary stor-
age of data flowing in either direction. Each byte has sepa-
rate 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 LCX16543 is designed for low voltage (2.5V or 3.3V)
V
environment.
The LCX16543 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Order Number
CC
applications with capability of interfacing to a 5V signal
Package Number
MS56A
MTD56
56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
DS012464
Features
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to V
resistor is determined by the current-sourcing capability of the driver.
Logic Symbol
5V tolerant inputs and outputs
2.3V–3.6V V
5.2 ns t
Power down high impedance inputs and outputs
Supports live insertion/withdrawal (Note 1)
Implements patented noise/EMI reduction circuitry
Latch-up performance exceeds 500 mA
ESD performance:
24 mA Output Drive (V
Human Body Model
Machine Model
Package Description
PD
max (V
CC
CC
through a pull-up resistor: the minimum value or the
specifications provided
CC
200V
3.3V), 20 A I
CC
2000V
May 1995
Revised April 2001
3.0V)
CC
www.fairchildsemi.com
max

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74lcx16543 Summary of contents

Page 1

... MS56A 56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide 74LCX16543MTD MTD56 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. ...

Page 2

Pin Descriptions Pin Names OEAB n OEBA n CEAB n CEBA n LEAB n LEBA n A – – Data I/O Control Table Inputs CEAB LEAB HIGH Voltage ...

Page 3

Logic Diagrams Please note that these diagrams are provided only for the understanding of logic operations and should not be used to estimate propagation delays. Byte 1 (0:7) Byte 2 (8:15) 3 www.fairchildsemi.com ...

Page 4

Absolute Maximum Ratings Symbol Parameter V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Source/Sink Current Supply ...

Page 5

DC Electrical Characteristics Symbol Parameter I Quiescent Supply Current CC I Increase in I per Input CC CC Note 5: Outputs in disabled or 3-STATE only. AC Electrical Characteristics Symbol Parameter t Propagation Delay PHL ...

Page 6

AC LOADING and WAVEFORMS FIGURE 1. AC Test Circuit (C Waveform for Inverting and Non-Inverting Functions Propagation Delay. Pulse Width and t rec 3-STATE Output Low Enable and Disable Times for Logic (Input Characteristics; f =1MHz, t Symbol V mi ...

Page 7

Schematic Diagram Generic for LCX Family 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted 56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide www.fairchildsemi.com Package Number MS56A 8 ...

Page 9

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves ...

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