MC74ACT241
Octal Buffer/Line Driver
with 3-State Outputs
The MC74ACT241 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.
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Features
• 3−State Outputs Drive Bus Lines or Buffer Memory Address
•
•
•
Registers
Outputs Source/Sink 24 mA
TTL Compatible Inputs
These are Pb−Free Devices
MARKING
DIAGRAMS
20
1
VCC
OE2
YA1
DB4
YA2
DB3
YA3
DB2
YA4
DB1
20
19
18
17
16
15
14
13
12
11
SOIC−20W
DW SUFFIX
CASE 751D
ACT241
AWLYYWWG
1
20
ACT
241
ALYWG
G
1
1
2
3
4
5
6
7
8
9
10
OE1
DA1
YB4
DA2
YB3
DA3
YB2
DA4
YB1
GND
TSSOP−20
DT SUFFIX
CASE 948E
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
G or G
= Pb−Free Package
(Note: Microdot may be in either location)
Figure 1. Pinout: 20−Lead Packages Conductors
(Top View)
TRUTH TABLE
Inputs
1
Outputs
OE1
D
(Pins 12, 14, 16, 18)
L
L
L
L
H
H
H
X
Z
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
TRUTH TABLE
Inputs
Outputs
OE2
D
(Pins 3, 5, 7, 9)
H
L
L
H
H
H
L
X
Z
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
© Semiconductor Components Industries, LLC, 2015
February, 2015 − Rev. 6
1
Publication Order Number:
MC74ACT241/D
MC74ACT241
MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
−0.5 to +7.0
V
VCC
DC Supply Voltage (Referenced to GND)
VIN
DC Input Voltage (Referenced to GND)
−0.5 to VCC +0.5
V
DC Output Voltage (Referenced to GND) (Note 1)
−0.5 to VCC +0.5
V
VOUT
IIK
DC Input Diode Current
±20
mA
IOK
DC Output Diode Current
±50
mA
IOUT
DC Output Sink/Source Current
±50
mA
ICC
DC Supply Current, per Output Pin
±50
mA
IGND
DC Ground Current, per Output Pin
±100
mA
TSTG
Storage Temperature Range
*65 to )150
_C
TL
Lead temperature, 1 mm from Case for 10 Seconds
260
_C
TJ
Junction Temperature Under Bias
140
_C
qJA
Thermal Resistance (Note 2)
65.8
110.7
_C/W
MSL
Moisture Sensitivity
FR
Flammability Rating
VESD
ILatchup
SOIC
TSSOP
Level 1
Oxygen Index: 30% − 35%
ESD Withstand Voltage
Latchup Performance
UL 94 V−0 @ 0.125 in
Human Body Model (Note 3)
Machine Model (Note 4)
Charged Device Model (Note 5)
Above VCC and Below GND at 85_C (Note 6)
> 2000
> 200
> 1000
V
±100
mA
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. IOUT absolute maximum rating must be observed.
2. The package thermal impedance is calculated in accordance with JESD 51−7.
3. Tested to EIA/JESD22−A114−A.
4. Tested to EIA/JESD22−A115−A.
5. Tested to JESD22−C101−A.
6. Tested to EIA/JESD78.
RECOMMENDED OPERATING CONDITIONS
Symbol
VCC
VIN, VOUT
Parameter
Min
DC Input Voltage (Referenced to GND)
DC Input Voltage, Output Voltage (Referenced to GND)
Max
Unit
4.5
Typ
5.5
V
0
VCC
V
−40
25
+85
°C
0
0
10
8.0
10
8.0
ns/V
Output Current − High
−
−
−24
mA
Output Current − Low
−
−
24
mA
TA
Operating Temperature, All Package Types
tr, tf
Input Rise and Fall Time (Note 8)
IOH
IOL
VCC = 4.5 V
VCC = 5.5 V
Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond
the Recommended Operating Ranges limits may affect device reliability.
7. Unused Inputs may not be left open. All inputs must be tied to a high voltage level or low logic voltage level.
8. Vin from 0.8 V to 2.0 V; refer to individual Data Sheets for devices that differ from the typical input rise and fall times.
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2
MC74ACT241
DC CHARACTERISTICS
Symbol
Parameter
TA = +255C
VCC
(V)
Typ
TA = −405C to +855C
Guaranteed Limits
Unit
Conditions
VIH
Minimum High Level Input Voltage
4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
V
VOUT = 0.1 V or
VCC − 0.1 V
VIL
Maximum Low Level Input Voltage
4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
V
VOUT = 0.1 V or
VCC − 0.1 V
VOH
Minimum High Level Output Voltage
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
V
V
IOUT = −50 mA
4.5
5.5
−
3.86
4.86
3.76
4.76
V
V
*VIN = VIL or VIH
IOH
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
V
V
IOUT = 50 mA
4.5
5.5
−
0.36
0.36
0.44
0.44
V
V
*VIN = VIL or VIH
IOL
Maximum Input Leakage Current
5.5
−
±0.1
±1.0
mA
VI = VCC, GND
Additional Maximum ICC/Input
5.5
0.6
−
1.5
mA
VI = VCC − 2.1 V
Maximum 3−State Current
5.5
−
±0.5
±5.0
mA
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
IOLD
IOHD
†Minimum Dynamic Output Current
5.5
5.5
−
−
75
−75
mA
mA
VOLD = 1.65 V Max
VOHD = 3.85 V Min
ICC
Maximum Quiescent Supply Current
5.5
−
8.0
80
mA
VIN = VCC or GND
VOL
IIN
DICCT
IOZ
Maximum Low Level Output Voltage
−24 mA
−24 mA
24 mA
24 mA
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS tr = tf = 3.0 ns (For Figures and Waveforms, See Figures 2, 3, and 4.)
Parameter
Symbol
TA = +255C
CL = 50 pF
TA = −405C to +855C
CL = 50 pF
VCC*
(V)
Min
Typ
Max
Min
Max
Unit
tPLH
Propagation Delay Data to Output
5.0
1.5
6.5
9.0
1.5
10.0
ns
tPHL
Propagation Delay Data to Output
5.0
1.5
7.0
9.0
1.5
10.0
ns
tPZH
Output Enable Time
5.0
1.5
6.0
9.0
1.0
10.0
ns
tPZL
Output Enable Time
5.0
1.5
7.0
10.0
1.5
11.0
ns
tPHZ
Output Disable Time
5.0
1.5
8.0
10.5
1.5
11.5
ns
tPLZ
Output Disable Time
5.0
2.0
7.0
10.5
1.5
11.5
ns
*Voltage Range 5.0 V is 5.0 V ±0.5 V
CAPACITANCE
Symbol
Value Typ
Unit
Test Conditions
CIN
Input Capacitance
Parameter
4.5
pF
VCC = 5.0 V
CPD
Power Dissipation Capacitance
45
pF
VCC = 5.0 V
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3
MC74ACT241
SWITCHING WAVEFORMS
tf
tr
3.0 V
50%
INPUT
DATA
GND
tw
1/fmax
tPHL
tPLH
OUTPUT
50%
Figure 2.
3.0 V
OE1
1.3 V
GND
3.0 V
OE2
1.3 V
GND
tPZL tPLZ
OUTPUT Y
(12, 14, 16, 18)
HIGH
IMPEDANCE
1.3 V
10%
VOL
90%
VOH
tPZH tPHZ
OUTPUT Y
(3, 5, 7, 9)
1.3 V
HIGH
IMPEDANCE
Figure 3.
450 W
INPUT
OUTPUT
DEVICE
UNDER
TEST
50 W SCOPE
TEST POINT
CL *
*Includes all probe and jig capacitance
Figure 4. Test Circuit
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4
MC74ACT241
ORDERING INFORMATION
Package
Shipping†
MC74ACT241DWG
SOIC−20
(Pb−Free)
38 Units / Rail
MC74ACT241DWR2G
SOIC−20
(Pb−Free)
1000 / Tape & Reel
MC74ACT241DTR2G
TSSOP−20
(Pb−Free)
2500 / Tape & Reel
Device
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
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5
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
SOIC−20 WB
CASE 751D−05
ISSUE H
DATE 22 APR 2015
SCALE 1:1
A
20
q
X 45 _
M
E
h
0.25
H
NOTES:
1. DIMENSIONS ARE IN MILLIMETERS.
2. INTERPRET DIMENSIONS AND TOLERANCES
PER ASME Y14.5M, 1994.
3. DIMENSIONS D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE PROTRUSION
SHALL BE 0.13 TOTAL IN EXCESS OF B
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
11
B
M
D
1
10
20X
B
b
0.25
M
T A
S
B
DIM
A
A1
b
c
D
E
e
H
h
L
q
S
L
A
18X
e
SEATING
PLANE
A1
c
T
GENERIC
MARKING DIAGRAM*
RECOMMENDED
SOLDERING FOOTPRINT*
20
20X
20X
1.30
0.52
20
XXXXXXXXXXX
XXXXXXXXXXX
AWLYYWWG
11
1
11.00
1
XXXXX
A
WL
YY
WW
G
10
1.27
PITCH
DIMENSIONS: MILLIMETERS
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
DOCUMENT NUMBER:
DESCRIPTION:
MILLIMETERS
MIN
MAX
2.35
2.65
0.10
0.25
0.35
0.49
0.23
0.32
12.65
12.95
7.40
7.60
1.27 BSC
10.05
10.55
0.25
0.75
0.50
0.90
0_
7_
98ASB42343B
SOIC−20 WB
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “G”, may
or may not be present. Some products may
not follow the Generic Marking.
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
PAGE 1 OF 1
onsemi and
are trademarks of Semiconductor Components Industries, LLC dba onsemi or its subsidiaries in the United States and/or other countries. onsemi reserves
the right to make changes without further notice to any products herein. onsemi makes no warranty, representation or guarantee regarding the suitability of its products for any particular
purpose, nor does onsemi assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation
special, consequential or incidental damages. onsemi does not convey any license under its patent rights nor the rights of others.
© Semiconductor Components Industries, LLC, 2019
www.onsemi.com
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
TSSOP−20 WB
CASE 948E
ISSUE D
DATE 17 FEB 2016
SCALE 2:1
20X
0.15 (0.006) T U
2X
L
K REF
0.10 (0.004)
S
L/2
20
M
T U
S
V
ÍÍÍÍ
ÍÍÍÍ
ÍÍÍÍ
K
K1
S
J J1
11
B
SECTION N−N
−U−
PIN 1
IDENT
0.25 (0.010)
N
1
10
M
0.15 (0.006) T U
S
A
−V−
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A DOES NOT INCLUDE MOLD
FLASH, PROTRUSIONS OR GATE BURRS.
MOLD FLASH OR GATE BURRS SHALL NOT
EXCEED 0.15 (0.006) PER SIDE.
4. DIMENSION B DOES NOT INCLUDE
INTERLEAD FLASH OR PROTRUSION.
INTERLEAD FLASH OR PROTRUSION
SHALL NOT EXCEED 0.25 (0.010) PER SIDE.
5. DIMENSION K DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.08
(0.003) TOTAL IN EXCESS OF THE K
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
6. TERMINAL NUMBERS ARE SHOWN FOR
REFERENCE ONLY.
7. DIMENSION A AND B ARE TO BE
DETERMINED AT DATUM PLANE −W−.
N
F
DETAIL E
−W−
C
G
D
H
DETAIL E
0.100 (0.004)
−T− SEATING
PLANE
DIM
A
B
C
D
F
G
H
J
J1
K
K1
L
M
MILLIMETERS
MIN
MAX
6.40
6.60
4.30
4.50
--1.20
0.05
0.15
0.50
0.75
0.65 BSC
0.27
0.37
0.09
0.20
0.09
0.16
0.19
0.30
0.19
0.25
6.40 BSC
0_
8_
INCHES
MIN
MAX
0.252
0.260
0.169
0.177
--0.047
0.002
0.006
0.020
0.030
0.026 BSC
0.011
0.015
0.004
0.008
0.004
0.006
0.007
0.012
0.007
0.010
0.252 BSC
0_
8_
GENERIC
MARKING DIAGRAM*
SOLDERING FOOTPRINT
7.06
XXXX
XXXX
ALYWG
G
1
0.65
PITCH
16X
0.36
16X
1.26
DOCUMENT NUMBER:
98ASH70169A
DESCRIPTION:
TSSOP−20 WB
A
L
Y
W
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
*This information is generic. Please refer to
device data sheet for actual part marking.
Pb−Free indicator, “G” or microdot “ G”,
may or may not be present.
DIMENSIONS: MILLIMETERS
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
PAGE 1 OF 1
ON Semiconductor and
are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries.
ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically
disclaims any and all liability, including without limitation special, consequential or incidental damages. ON Semiconductor does not convey any license under its patent rights nor the
rights of others.
© Semiconductor Components Industries, LLC, 2019
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onsemi,
, and other names, marks, and brands are registered and/or common law trademarks of Semiconductor Components Industries, LLC dba “onsemi” or its affiliates
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