74ACT240 View Datasheet(PDF) - ON Semiconductor
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74ACT240 Datasheet PDF : 10 Pages
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MC74AC240, MC74ACT240
Octal Buffer/Line Driver
with 3−State Outputs
The MC74AC240/74ACT240 is an octal buffer and line driver
designed to be employed as a memory address driver, clock driver and
bus oriented transmitter or receiver which provides improved PC
board density.
Features
• 3−State Outputs Drive Bus Lines or Buffer Memory Address
Registers
• Outputs Source/Sink 24 mA
• ′ACT240 Has TTL Compatible Inputs
• Pb−Free Packages are Available
TRUTH TABLE
Inputs
Outputs
OE1 D (Pins 12, 14, 16, 18)
LL
H
LH
L
HX
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
Outputs
OE2 D
LL
LH
HX
(Pins 3, 5, 7, 9)
H
L
Z
NOTE:
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
http://onsemi.com
1
1
PDIP−20
N SUFFIX
CASE 738
SOIC−20W
DW SUFFIX
CASE 751D
TSSOP−20
DT SUFFIX
CASE 948E
1
SOEIAJ−20
M SUFFIX
CASE 967
1
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 6 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 7 of this data sheet.
VCC OE2
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 9 10
OE1
GND
Figure 1. Pinout: 20−Lead Packages Conductors
(Top View)
© Semiconductor Components Industries, LLC, 2006
1
November, 2006 − Rev. 8
Publication Order Number:
MC74AC240/D
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