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74LCX126 Datasheet

  • 74LCX126

  • Low Voltage Quad Buffer with 5V Tolerant Inputs and Outputs

  • 97.22KB

  • 8頁(yè)

  • FAIRCHILD

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74LCX126 Low Voltage Quad Buffer with 5V Tolerant Inputs and Outputs
September 2000
Revised July 2003
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.
Features
s
5V tolerant inputs and outputs
s
2.3V鈥?.6V V
CC
specifications provided
s
5.5 ns t
PD
max (V
CC
=
3.3V), 10
碌
A I
CC
max
s
Power down high impedance inputs and outputs
s
Supports live insertion/withdrawal (Note 1)
s
鹵
24 mA output drive (V
CC
=
3.0V)
s
Implements patented noise/EMI reduction circuitry
s
Latch-up performance exceeds 500 mA
s
ESD performance:
Human body model
>
2000V
Machine model
>
100V
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.
Ordering Code:
Order Number
74LCX126M
74LCX126SJ
74LCX126MTC
Package Number
M14A
M14D
MTC14
Package Description
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
Device also available in Tape and Reel. Specify by appending suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
IEEE/IEC
Connection Diagram
Pin Descriptions
Pin Names
A
n
OE
n
O
n
Description
Inputs
Output Enable Inputs
Outputs
Truth Table
Inputs
OE
n
H
H
L
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
Output
A
n
L
H
X
O
n
L
H
Z
Z
=
High Impedance
X
=
Immaterial
漏 2003 Fairchild Semiconductor Corporation
DS500386
www.fairchildsemi.com

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