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DS244 Datasheet

  • DS244

  • Octal Buffer/Line Driver with 3-State Outputs

  • 69.84KB

  • 8頁

  • ONSEMI

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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.
http://onsemi.com
鈥?/div>
Hysteresis at Inputs to Improve Noise Margins
鈥?/div>
3-State Outputs Drive Bus Lines or Buffer Memory Address
Registers
鈥?/div>
Input Clamp Diodes Limit High-Speed Termination Effects
GUARANTEED OPERATING RANGES
Symbol
V
CC
T
A
I
OH
Parameter
Supply Voltage
Operating Ambient
Temperature Range
Output Current 鈥?High
Min
4.75
0
Typ
5.0
25
Max
5.25
70
鈥?.0
鈥?5
I
OL
Output Current 鈥?Low
24
Unit
V
擄C
mA
mA
mA
20
1
LOW
POWER
SCHOTTKY
MARKING
DIAGRAMS
SN74LS24xN
AWLYYWW
1
PDIP鈥?0
N SUFFIX
CASE 738
20
1
1
LS24x
AWLYYWW
SOIC鈥?0
DW SUFFIX
CASE 751D
x
A
WL
YY
WW
= 0 or 4
= Assembly Location
= Wafer Lot
= Year
= Work Week
ORDERING INFORMATION
Device
SN74LS240N
SN74LS240DW
SN74LS244N
SN74LS244DW
Package
PDIP鈥?0
SOIC鈥?0
PDIP鈥?0
SOIC鈥?0
Shipping
1440 Units/Box
2500/Tape & Reel
1440 Units/Box
2500/Tape & Reel
漏
Semiconductor Components Industries, LLC, 2000
1
August, 2000 鈥?Rev. 7
Publication Order Number:
SN74LS240/D

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