74LCX126 Fairchild Semiconductor, 74LCX126 Datasheet

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74LCX126

Manufacturer Part Number
74LCX126
Description
Low Voltage Quad Buffer with 5V Tolerant Inputs and Outputs
Manufacturer
Fairchild Semiconductor
Datasheet

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© 2003 Fairchild Semiconductor Corporation
74LCX126M
74LCX126SJ
74LCX126MTC
74LCX126
Low Voltage Quad Buffer
with 5V Tolerant Inputs and Outputs
General Description
The LCX126 contains four independent non-inverting buff-
ers with 3-STATE outputs. Each output is disabled when
the associated output-enable (OE) input is LOW. The
inputs tolerate voltages up to 7V allowing the interface of
5V systems to 3V systems.
The 74LCX126 is fabricated with an advanced CMOS tech-
nology to achieve high speed operation while maintaining
CMOS low power dissipation.
Ordering Code:
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbol
Pin Descriptions
Order Number
Pin Names
OE
O
A
n
n
Package Number
n
MTC14
IEEE/IEC
M14A
M14D
Output Enable Inputs
Description
Outputs
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
Inputs
DS500386
Features
Note 1: To ensure the high-impedance state during power up or down, OE
should be tied to GND through a pull-up resistor: the minimum value or the
resistor is determined by the current-sourcing capability of the driver.
Connection Diagram
Truth Table
H
L
5V tolerant inputs and outputs
2.3V–3.6V V
5.5 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:
Human body model
Machine model
LOW Voltage Level
HIGH Voltage Level
24 mA output drive (V
Package Description
PD
OE
max (V
H
H
L
CC
n
specifications provided
Inputs
CC
100V
2000V
3.3V), 10 A I
CC
X
Z
Immaterial
A
High Impedance
H
L
X
n
3.0V)
September 2000
Revised July 2003
CC
www.fairchildsemi.com
max
Output
O
H
Z
L
n

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74LCX126 Summary of contents

Page 1

... Each output is disabled when the associated output-enable (OE) input is LOW. The inputs tolerate voltages allowing the interface of 5V systems to 3V systems. The 74LCX126 is fabricated with an advanced CMOS tech- nology to achieve high speed operation while maintaining CMOS low power dissipation. Ordering Code: ...

Page 2

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

Page 3

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

Page 4

AC Loading and Waveforms (C t PLH t PZL t PZH Waveform for Inverting and Non-Inverting Functions Propagation Delay, Pulse Width and t rec 3-STATE Output High Enable and Disable TImes for Logic (Input Pulse Characteristics 1MHz, t ...

Page 5

Schematic Diagram Generic for LCX Family 5 www.fairchildsemi.com ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow www.fairchildsemi.com Package Number M14A 6 ...

Page 7

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide Package Number M14D 7 www.fairchildsemi.com ...

Page 8

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm 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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