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SN74LS240 Datasheet, PDF (1/8 Pages) ON Semiconductor – LOW POWER SCHOTTKY
SN74LS240 SN74LS244
Octal Buffer/Line Driver
with 3-State Outputs
The SN74LS240 and SN74LS244 are Octal Buffers and Line
Drivers designed to be employed as memory address drivers, clock
drivers and bus-oriented transmitters/receivers which provide
improved PC board density.
• Hysteresis at Inputs to Improve Noise Margins
• 3-State Outputs Drive Bus Lines or Buffer Memory Address
Registers
• Input Clamp Diodes Limit High-Speed Termination Effects
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
– 3.0 mA
– 15 mA
IOL
Output Current – Low
24
mA
http://onsemi.com
LOW
POWER
SCHOTTKY
20
1
PLASTIC
N SUFFIX
CASE 738
20
1
SOIC
DW SUFFIX
CASE 751D
ORDERING INFORMATION
Device
Package
Shipping
SN74LS240N 16 Pin DIP 1440 Units/Box
SN74LS240DW 16 Pin
2500/Tape & Reel
SN74LS244N 16 Pin DIP 1440 Units/Box
SN74LS244DW 16 Pin
2500/Tape & Reel
© Semiconductor Components Industries, LLC, 1999
1
December, 1999 – Rev. 6
Publication Order Number:
SN74LS240/D