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74LCX540BQX 데이터시트(PDF) 1 Page - Fairchild Semiconductor

부품명 74LCX540BQX
상세설명  Low Voltage Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
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제조업체  FAIRCHILD [Fairchild Semiconductor]
홈페이지  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

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tm
May 2007
©1995 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74LCX540 Rev. 1.1
74LCX540
Low Voltage Octal Buffer/Line Driver
with 5V Tolerant Inputs and Outputs
Features
5V tolerant input and outputs
2.3V–3.6V VCC specifications provided
6.5ns tPD max (VCC = 3.3V), 10µA ICC max
Power down high impedance inputs and outputs
Supports live insertion/withdrawal(1)
Implements patented noise/ EMI reduction circuitry
Latch-up performance exceeds JEDEC 78 conditions
ESD performance
– Human body model
> 2000V
– Machine model
> 200V
Leadless Pb-Free DQFN package
General Description
The LCX540 is an octal buffer/line driver designed to be
employed as a memory and address driver, clock driver
and bus oriented transmitter/receiver.
This device is similar in function to the LCX240 while
providing flow-through architecture (inputs on opposite
side from outputs). This pinout arrangement makes this
device especially useful as an output port for micropro-
cessors, allowing ease of layout and greater PC board
density.
The LCX540 is designed for low voltage (2.5V or 3.3V)
VCC applications with capability of interfacing to a 5V
signal environment. The LCX540 is fabricated with an
advanced CMOS technology to achieve high speed
operation while maintaining CMOS low power dissipa-
tion.
Ordering Information
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Pb-Free package per JEDEC J-STD-020B.
Notes:
1. To ensure the high impedance state during power up or down, OE should be tied to VCC through a pull-up resistor:
the minimum value of the resistor is determined by the current-sourcing capability of the driver.
2. DQFN package available in Tape and Reel only.
3. “_NL” indicates Pb-Free package (per JEDEC J-STD-020B). Device available in Tape and Reel only.
Order Number
Package
Number
Package Description
74LCX540WM
M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
74LCX540SJ
M20D
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74LCX540BQX(2)
MLP020B
Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN),
JEDEC MO-241, 2.5 x 4.5mm
74LCX540MSA
MSA20
20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
74LCX540MTC
MTC20
20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,
4.4mm Wide
74LCX540MTC_NL(3)
MTC20
Pb-Free 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide


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