74ACT240 Driver Datasheet

74ACT240 Datasheet, PDF, Equivalent


Part Number

74ACT240

Description

Octal Buffer/Line Driver

Manufacture

ON Semiconductor

Total Page 10 Pages
Datasheet
Download 74ACT240 Datasheet


74ACT240
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

74ACT240
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


Features MC74AC240, MC74ACT240 www.DataSheet4U.co m Octal Buffer/Line Driver with 3−St ate Outputs The MC74AC240/74ACT240 is a n octal buffer and line driver designed to be employed as a memory address dri ver, clock driver and bus oriented tran smitter or receiver which provides impr oved PC board density. Features http:// onsemi.com • 3−State Outputs Drive Bus Lines or Buffer Memory Address • • • Registers Outputs Source/Sink 24 mA ′ACT240 Has TTL Compatible Inpu ts Pb−Free Packages are Available PD IP−20 N SUFFIX CASE 738 1 TRUTH TABL E Inputs OE1 L L H NOTE: D L H X Output s (Pins 12, 14, 16, 18) H L Z 1 SOIC 20W DW SUFFIX CASE 751D H = HIGH Volt age Level L = LOW Voltage Level X = Imm aterial Z = High Impedance TSSOP−20 DT SUFFIX CASE 948E 1 TRUTH TABLE Inpu ts OE2 L L H NOTE: D L H X Outputs (Pin s 3, 5, 7, 9) H L Z 1 SOEIAJ−20 M SU FFIX CASE 967 ORDERING INFORMATION See detailed ordering and shipping informa tion in the package dimensions section on page 6 of this data sheet. H = HIGH Voltage .
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