SN74LS541
Octal Buffer/Line Driver
with 3−State Outputs
The SN74LS541 is an octal buffer and line driver with the same
functions as the LS241, but with pinouts on the opposite side of the
package.
This device type is designed to be used as a memory address driver,
clock driver and bus-oriented transmitter / receiver. This device is
especially useful as output ports for the microprocessors, allowing
ease of layout and greater PC board density.
• Hysteresis at Inputs to Improve Noise Margin
• PNP Inputs Reduce Loading
• 3-State Outputs Drive Bus Lines
• Inputs and Outputs Opposite Side of Package, Allowing Easier
Interface to Microprocessors
• Input Clamp Diodes Limit High-Speed Termination Effects
LOGIC AND CONNECTION DIAGRAM DIP (TOP VIEW)
VCC
20 19 18 17 16 15 14 13 12 11
20
1
http://onsemi.com
LOW
POWER
SCHOTTKY
MARKING
DIAGRAMS
SN74LS541N
AWLYYWW
PDIP−20 1
N SUFFIX
CASE 738
1 2 3 4 5 6 7 8 9 10
GND
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min Typ Max Unit
VCC
Supply Voltage
TA
Operating Ambient
Temperature Range
4.75 5.0 5.25
V
0
25
70
°C
IOH
Output Current − High
IOL
Output Current − Low
−15 mA
24
mA
© Semiconductor Components Industries, LLC, 2006
1
July, 2006 − Rev. 4
20
1
SOIC−20
DW SUFFIX
LS541
AWLYYWW
CASE 751D
1
74LS541
AWLYWW
20
SOEIAJ−20
1
M SUFFIX
1
CASE 967
A = Assembly Location
WL = Wafer Lot
Y, YY = Year
WW = Work Week
ORDERING INFORMATION
Device
Package
Shipping
SN74LS541N
PDIP−20 1440 Units/Box
SN74LS541DW SOIC−WIDE 38 Units/Rail
SN74LS541DWR2 SOIC−WIDE 2500/Tape & Reel
SN74LS541M
SOEIAJ−20 See Note 1
SN74LS541MEL SOEIAJ−20 See Note 1
1. For ordering information on the EIAJ version of
the SOIC package, please contact your local
ON Semiconductor representative.
Publication Order Number:
SN74LS541/D