©2006 Fairchild Semiconductor Corporation

1

www.fairchildsemi.com

February 2006

74LCX541 Rev. 2.0.0

74LCX541 Lo
w
V
olta
g
e
Octal Buff
er/Line Driver with 5V
T
olerant Inputs and Outputs

74LCX541
Low Voltage Octal Buffer/Line Driver
with 5V Tolerant Inputs and Outputs

Features

■

5V tolerant input and outputs

■

2.3V–3.6V V

CC

specifications provided

■

6.5ns t

PD

max (V

CC



=

3.3V), 10

µ

A I

CC

max

■

Power-down high impedance inputs and outputs

■

Supports live insertion/withdrawal

1

■

±

24 mA output drive (V

CC



=

3.0V)

■

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 LCX541 is an octal buffer/line driver designed to be
employed as memory and address drivers, clock drivers
and bus oriented transmitter/receivers. The LCX541 is a
non inverting option of the LCX540.
This device is similar in function to the LCX244 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 LCX541 is designed for low voltage applications
with capability of interfacing to a 5V signal environment.
The LCX541 is fabricated with an advanced CMOS
technology to achieve high speed operation while
maintaining CMOS low power dissipation.

Ordering Information

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Pb-Free package per JEDED J-STD-020B.

Notes:

1. To ensure the high impedance state during power up or down, OE should be tied to V

CC

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

74LCX541WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide
74LCX541SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74LCX541BQX

2

MLP020B Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN),
JEDEC MO-241, 2.5 x 4.5mm
74LCX541MSA MSA20 20-Lead Shrink Small Outline Package (SSOP), JEDEC MO-150, 5.3mm Wide
74LCX541MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153,
4.4mm Wide
74LCX541MTC_NL

3

MTC20 Pb-Free 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC
MO-153, 4.4mm Wide