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  ON Semiconductor Electronic Components Datasheet  

74ACT240 Datasheet

Octal Buffer/Line Driver

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MC74AC240, MC74ACT240
www.DataSheet4U.com
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
LH
HX
H
L
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
November, 2006 − Rev. 8
1
Publication Order Number:
MC74AC240/D


  ON Semiconductor Electronic Components Datasheet  

74ACT240 Datasheet

Octal Buffer/Line Driver

No Preview Available !

MC74AC240, MC74ACT240
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
www.VDCaCtaSheetD4CU.Scoumpply Voltage (Referenced to GND)
VIN DC Input Voltage (Referenced to GND)
−0.5 to +7.0
−0.5 to VCC +0.5
V
V
VOUT
DC Output Voltage (Referenced to GND)
−0.5 to VCC +0.5
V
IIN DC Input Current, per Pin
±20 mA
IOUT
DC Output Sink/Source Current, per Pin
±50 mA
ICC DC VCC or GND Current per Output Pin
±50 mA
Tstg Storage Temperature
−65 to +150
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Typ Max
VCC Supply Voltage
AC
ACT
2.0 5.0 6.0
4.5 5.0 5.5
VIN, VOUT DC Input Voltage, Output Voltage (Ref. to GND)
0 − VCC
Input Rise and Fall Time (Note 1)
tr, tf AC Devices except Schmitt Inputs
VCC @ 3.0 V − 150 −
VCC @ 4.5 V
40
VCC @ 5.5 V
25
Input Rise and Fall Time (Note 2)
tr, tf ACT Devices except Schmitt Inputs
VCC @ 4.5 V
10
VCC @ 5.5 V
8.0
TJ Junction Temperature (PDIP)
− − 140
TA Operating Ambient Temperature Range
−40 25
85
IOH Output Current − High
− − −24
IOL Output Current − Low
− − 24
1. VIN from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. VIN from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
Unit
V
V
ns/V
ns/V
°C
°C
mA
mA
http://onsemi.com
2


Part Number 74ACT240
Description Octal Buffer/Line Driver
Maker ON Semiconductor
PDF Download

74ACT240 Datasheet PDF





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